• Showing 1 - 50 of 1141 results
Status:
Invalidated
Title:
INSECTICIDAL COMPOSITIONS CONTAINING 1-NAPTHTHYL-N-METHYLCARBAMATE AND SYNERGISTS THEREFOR
Original Filing Number:
AP/P/1959/000115
Filing Date :
1959.01.12
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1959/000115
Registration Date:
1960.05.13
Applicant:
UNION CARBIDE CORPORATION
Inventor:
Status:
Invalidated
Title:
IMPROVEMENT IN AND RELATING TO THE MASTER BATCH MATERIAL IN THE PLASTIC INDUSTRY
Original Filing Number:
AP/P/1970/000208
Filing Date :
1971.06.07
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1970/000208
Registration Date:
1973.05.10
Applicant:
FEPRO ENAMELS (PROPRIETARY) LIMITED
Inventor:
Status:
Invalidated
Title:
TELEPHONE EXCHANGE WITH MEANS FOR ALLOWING THE ENCLOSING OF A PRIVILEGED CALLING SUBSCRIBER IN A CONNECTION ESTABLISHED BEFORE
Original Filing Number:
AP/P/1972/000219
Filing Date :
1972.06.06
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1972/000219
Registration Date:
1973.11.27
Applicant:
SOCIETA ITALIANA TELECOMMUNICAZIONI SIEMENS
Inventor:
Status:
Invalidated
Title:
PIPE COUPLING
Original Filing Number:
AP/P/1977/000285
Filing Date :
1977.01.26
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1977/000285
Registration Date:
1978.10.11
Applicant:
VITRO CLAY PIPES LIMITED
Inventor:
Status:
Invalidated
Title:
RECOVERY OF MANGANESE VALUES
Original Filing Number:
AP/P/1979/000293
Filing Date :
1976.02.19
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1979/000293
Registration Date:
1979.01.15
Applicant:
UOP INC
Inventor:
Status:
Invalidated
Title:
MINING METHOD (CASE 1)
Original Filing Number:
AP/P/1987/000575
Filing Date :
1987.07.01
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1987/000575
Registration Date:
1988.11.07
Applicant:
GENERAL MINING UNION CORPORATION LIMITED
Inventor:
Status:
Invalidated
Title:
SET OF CUTLERY
Original Filing Number:
BW/F/1985/000070
Filing Date :
1985.01.15
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1985/000070
Registration Date:
2017.12.04
Applicant:
GOLDEN COMPANY (PROPRIETARY) LIMITED
Inventor:
Status:
Registered
Title:
PRE-PURIFICATION OF AIR FOR SEPERATION
Original Filing Number:
BW/F/1991/000789
Filing Date :
1991.03.13
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1991/000789
Registration Date:
1992.10.14
Applicant:
THE BOC GROUP, INC
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO CONVEYORS
Original Filing Number:
BW/P/124/001964
Filing Date :
1964.02.19
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 124/001964
Registration Date:
1965.10.14
Applicant:
FRED KELLY & SONS (PTY.) LTD
Inventor:
Status:
Invalidated
Title:
AN IMPROVED MACHINE FOR MANUFACTURING REINFORCEMENT FOR CEMENT AND CONCRETE PIPES
Original Filing Number:
BW/P/1917/000005
Filing Date :
1917.08.20
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1917/000005
Registration Date:
1920.11.17
Applicant:
WALTER REGINALD HUME
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN AND CONNECTED WITH THE JOINTING OF CONORETE PIPES AND MENS FOR EFFECTING THE SAME
Original Filing Number:
BW/P/1917/000006
Filing Date :
1917.08.20
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1917/000006
Registration Date:
1920.11.17
Applicant:
THE HUME PIPE COMPANY (SOUTH AFRICA) LIMITED
Inventor:
Status:
Invalidated
Title:
AN IMPROVED MOULDING MACHINE AND MOULDS FOR MANUFACTURING CEMENT AND CONORETE PIPES
Original Filing Number:
BW/P/1917/000007
Filing Date :
1917.08.20
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1917/000007
Registration Date:
1920.11.17
Applicant:
WALTER REGINALD HUME
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN CONCRETE PIPES, COLUMNS, CIRDERS, BLOCKS, AND OTHER STRUCTURAL MATERIAL, AND METHOD OF AND MEANS FOR MANUFACTURING THE SAME
Original Filing Number:
BW/P/1917/000008
Filing Date :
1971.07.06
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1917/000008
Registration Date:
1920.11.17
Applicant:
THE HUME PIPE COMPANY (SOUTH AFRICA) LIMITED
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO MILKING CANS
Original Filing Number:
BW/P/1917/000014
Filing Date :
1917.04.16
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1917/000014
Registration Date:
1928.06.20
Applicant:
JOHN STEPHEN EBENEZER BLETCHLY
Inventor:
Status:
Invalidated
Title:
IMPROVEMENT IN MACHINES FOR MANUFACTURING WIRE REINFORCEMENT FOR CEMENT PIPES
Original Filing Number:
BW/P/1918/000004
Filing Date :
1918.12.04
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1918/000004
Registration Date:
1920.11.17
Applicant:
THE HUME PIPE COMPANY (SOUTH AFRICA) LIMITED
Inventor:
Status:
Invalidated
Title:
PROCESS FOR THE PREVENTION AND ERADICATION OF GALLAMZIEKTE
Original Filing Number:
BW/P/1920/000001
Filing Date :
1920.06.28
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1920/000001
Registration Date:
1920.06.28
Applicant:
ERNST RUDOLPH HARTIG
Inventor:
Status:
Invalidated
Title:
PROCESS FOR THE PREVENTION AND ERADICATION OF PICA
Original Filing Number:
BW/P/1920/000002
Filing Date :
1920.06.27
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1920/000002
Registration Date:
1920.06.27
Applicant:
ERNST RUDOLF HARTIG
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN PIPE JOINTS
Original Filing Number:
BW/P/1920/000003
Filing Date :
1920.04.29
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1920/000003
Registration Date:
1920.04.29
Applicant:
WALTER WOLTENHOLME
Inventor:
Status:
Invalidated
Title:
MOTIVE POWER DRIVEN VEHICLES FOR SERVICE ON ROADS AND RAILS
Original Filing Number:
BW/P/1923/000009
Filing Date :
1923.07.04
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1923/000009
Registration Date:
1926.06.18
Applicant:
ROADRAILS LIMITED
Inventor:
Status:
Invalidated
Title:
MOTIVE POWER DRIVEN VEHICLES FOR SERVICE ON ROADS AND RAILS
Original Filing Number:
BW/P/1923/000010
Filing Date :
1923.07.04
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1923/000010
Registration Date:
1923.06.18
Applicant:
ROADRAILS LIMITED
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN THE REDUCTION OF ORES OXIDES AND THE LIKE
Original Filing Number:
BW/P/1923/000013
Filing Date :
1923.12.20
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1923/000013
Registration Date:
1927.11.09
Applicant:
HENRY EDWIN COLEY
Inventor:
Status:
Invalidated
Title:
APPARATUS FOR THE DEHORNING OF CATTLE
Original Filing Number:
BW/P/1924/000011
Filing Date :
1924.10.22
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1924/000011
Registration Date:
1925.07.07
Applicant:
MICHAEL JAMES RORKE
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN BITUMINOUS EMULSIONS
Original Filing Number:
BW/P/1925/000016
Filing Date :
1925.04.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1925/000016
Registration Date:
1931.03.17
Applicant:
INTERNATIONAL BITUMEN EMULSIONS LIMITED
Inventor:
Status:
Invalidated
Title:
INTERNATIONAL BITUMEN EMULSIONS LIMITED
Original Filing Number:
BW/P/1926/000017
Filing Date :
1926.03.01
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1926/000017
Registration Date:
2017.11.10
Applicant:
INTERNATIONAL BITUMEN EMULSIONS LIMITED
Inventor:
Status:
Invalidated
Title:
METHOD OF AND APPARATUS FOR FRACTIONATING LIQUIDS PARTICULARLY OILS
Original Filing Number:
BW/P/1929/000015
Filing Date :
1929.10.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1929/000015
Registration Date:
1930.09.25
Applicant:
THE FRACTIONATOR COMPANY
Inventor:
Status:
Invalidated
Title:
IMPROVEMENT IN FOOD PRODUCTS AND THEIR MANUFACTURE
Original Filing Number:
BW/P/1932/000018
Filing Date :
1932.04.06
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1932/000018
Registration Date:
1933.03.27
Applicant:
SARDIK INCORPORATED
Inventor:
Status:
Invalidated
Title:
Animal operated pumping mechanism
Original Filing Number:
BW/P/1932/000020
Filing Date :
1934.01.24
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1932/000020
Registration Date:
1934.01.24
Applicant:
HAROLD ROSS ROBERTS
Inventor:
Status:
Invalidated
Title:
AN IMPROVED MEDICINAL LICK FOR HOOFED DOMESTIC ANIMALS
Original Filing Number:
BW/P/1933/000019
Filing Date :
1933.10.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1933/000019
Registration Date:
1933.02.07
Applicant:
WILLY BLUM
Inventor:
Status:
Invalidated
Title:
A METHOD OF DETECTING AND DETERMINING THE POSITION OF STRETCHES OF UNDERGROUND OF DIFFERENT ELECTRIC CONDUCTIVITY
Original Filing Number:
BW/P/1934/000012
Filing Date :
1934.04.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1934/000012
Registration Date:
2017.11.13
Applicant:
ELBOF GEOPHYSICAL PROSPECTING COMPANYN LTD
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN LIQUID RAISING APPARATUS
Original Filing Number:
BW/P/1934/000024
Filing Date :
1934.10.27
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1934/000024
Registration Date:
1934.10.27
Applicant:
CHRISTOPHER NORTH CARDINAL
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO THE PULVERISING OF MINERALS AND SIMILAR MATERIALS
Original Filing Number:
BW/P/1935/000023
Filing Date :
1935.02.22
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1935/000023
Registration Date:
1935.02.22
Applicant:
THE INTERNATIONAL PULVERIZING CORPORATION
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS RELATING TO THE CONCENTRATION AND CLASSIFICATION OF METALS, MINERALS AND THE LIKE
Original Filing Number:
BW/P/1936/000025
Filing Date :
1936.04.01
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1936/000025
Registration Date:
1936.04.01
Applicant:
JOHN HENRY ARTHUR TREACY
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO PROCESSES AND APPARATUS FOR THE EXTRACTION OF CELLULOSIC FIBRES FROM WOOD AND OTHER HIGHLY LIGNIFIED MATERIAL
Original Filing Number:
BW/P/1936/000028
Filing Date :
1936.12.18
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1936/000028
Registration Date:
1938.05.02
Applicant:
THE SOUTH AFRICA PULP AND PAPER INDUSTRIES
Inventor:
Status:
Invalidated
Title:
DEVICES FOR USE IN THE MANUFACTURE OF ORNAMENTAL FABRICS
Original Filing Number:
BW/P/1937/000021
Filing Date :
1937.09.13
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1937/000021
Registration Date:
2017.11.10
Applicant:
THE SINGER MANUFACTURING COMPANY
Inventor:
Status:
Invalidated
Title:
DEVICES FOR USE IN THE MANUFACTURE OF ORNAMENTAL FABRICS
Original Filing Number:
BW/P/1937/000022
Filing Date :
1937.02.13
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1937/000022
Registration Date:
1933.09.25
Applicant:
THE SINGER MANUFACTURING COMPANY
Inventor:
Status:
Invalidated
Title:
IMPROVEMENT IN AND RELATING TO THE PRODUCTION OF CELLULOSE
Original Filing Number:
BW/P/1937/000026
Filing Date :
1937.02.15
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1937/000026
Registration Date:
1937.02.15
Applicant:
HEINRICH ALBHECHT KNOPF
Inventor:
Status:
Invalidated
Title:
METHOD OF AND APPARATUS FOR THE REDUCTION OF IRON ORES OR THE LIKE
Original Filing Number:
BW/P/1938/000030
Filing Date :
1938.02.23
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1938/000030
Registration Date:
2017.11.10
Applicant:
SACHTLEBEN AKTIENGESELLSCHAFT
Inventor:
Status:
Invalidated
Title:
AN IMPROVED FORM FOR ARCH CONCRETE CONSTRUCTIONS
Original Filing Number:
BW/P/1940/000033
Filing Date :
1940.10.08
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1940/000033
Registration Date:
1942.10.01
Applicant:
PORTER'S CEMENT INDUSTRIES (RHODESIA) LIMITED
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO PROCESSES AND APPARATUS FOR THE EXTRACTION OF CELLULOSIC FIBRES FROM VEGETABLE MATERIAL
Original Filing Number:
BW/P/1941/000027
Filing Date :
1941.02.11
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1941/000027
Registration Date:
1946.12.27
Applicant:
THE SOUTH AFRICAN PULP AND PAPER INDUSTRIES, LIMITED
Inventor:
Status:
Invalidated
Title:
AN IMPROVED SALT -LICK FOR ANIMALS
Original Filing Number:
BW/P/1942/000032
Filing Date :
1942.01.17
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1942/000032
Registration Date:
1942.01.17
Applicant:
LOUIS JACOBUS FRIEND ROLAND MCLACHLAN
Inventor:
Status:
Invalidated
Title:
BUILDING CONSTRUCTION
Original Filing Number:
BW/P/1942/000053
Filing Date :
1942.04.23
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1942/000053
Registration Date:
1950.02.13
Applicant:
WALLACE NEFF
Inventor:
WALLACE NEFF
Status:
Invalidated
Title:
AN IMPROVED METHOD OF BUILDING WALLED STRUCTURES AND PRE-FABRICATED BUILDING UNITS THEREFOR
Original Filing Number:
BW/P/1945/000036
Filing Date :
1945.10.18
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1945/000036
Registration Date:
1947.01.13
Applicant:
PORTER'S CEMENT INDUSTRIES (RHODESIA) LIMITED
Inventor:
Status:
Invalidated
Title:
PORTER'S CEMENT INDUSTRIES (RHODESIA)
Original Filing Number:
BW/P/1945/000037
Filing Date :
1945.10.18
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1945/000037
Registration Date:
1947.01.13
Applicant:
PORTER'S CEMENT INDUSTRIES (RHODESIA) LIMITED
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN ATTACHING PARTS TO WOODEN POLES
Original Filing Number:
BW/P/1945/000038
Filing Date :
1945.09.14
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1945/000038
Registration Date:
1947.10.02
Applicant:
MAGNUS WILLIAM MANSON
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN OR RELATING TO THE PRODUCTION OF PHENANTHRIDINE DERAVATIVES
Original Filing Number:
BW/P/1945/000062
Filing Date :
1945.03.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1945/000062
Registration Date:
1958.01.29
Applicant:
THE COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN AND RELATING TO PRE-FABRICATED CONSTRUCTIONAL UNITS FOR THE CONSTRUCTION OF ROOFS FOR BUILDINGS
Original Filing Number:
BW/P/1946/000035
Filing Date :
1946.09.10
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1946/000035
Registration Date:
1946.10.10
Applicant:
PORTER'S CEMENT INDUSTRIES (RHODESIA) LIMITED
Inventor:
Status:
Invalidated
Title:
IMPROVEMENTS IN AND RELATING TO BUILDING UNITS AND BUILDING CONSTRUCTION
Original Filing Number:
BW/P/1946/000040
Filing Date :
1946.01.08
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1946/000040
Registration Date:
1948.03.08
Applicant:
NORMAN GREENLEES WEIR LOUDON
Inventor:
Status:
Invalidated
Title:
TRAVELLING MOULD
Original Filing Number:
BW/P/1946/000061
Filing Date :
1946.05.27
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1946/000061
Registration Date:
1950.11.14
Applicant:
FINNEMORE'S TRAVELLING BUILDER (PTY) LTD
Inventor:
Status:
Invalidated
Title:
METHOD AND APPARATUS FOR MEASURING THE VALUES OF MAGNETIC FIELDS
Original Filing Number:
BW/P/1946/000082
Filing Date :
1946.12.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1946/000082
Registration Date:
1955.05.21
Applicant:
GULF RESEARCH & DEVELOPMENT COMPANY
Inventor:
Status:
Invalidated
Title:
METHOD OF GEOPHYSICAL PROSPECTING
Original Filing Number:
BW/P/1946/000083
Filing Date :
1946.12.09
Publication Number:
Publication Date:
Priority Details:
IPC Classes:
Original Registration Number:
  • 1946/000083
Registration Date:
1955.05.21
Applicant:
GULF RESEARCH & DEVELOPMENT COMPANY
Inventor:
1141 applications found in 56 ms