IPEXL Patent Search: AFRICAN OXYGEN LIMITED

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Patent Directory

AFRICAN OXYGEN LIMITED

1. (7024868) Transportation of liquefiable petroleum gas.
Assignee: African Oxygen Limited (Johannesburg, ZA) (More From this Assignee...)
Inventor: Pye; Graham Christopher (Goedeburg, ZA), Carroll; Donegal Harold Victor (Kyalami, ZA) (More From this Inventor...)
Application Date: February 13, 2002
Publication Date: April 11, 2006

2. (5288302) Method and apparatus for extraction of metal values from metal bearing ores.
Assignee: African Oxygen Limited (Selby, ZA) (More From this Assignee...)
Inventor: Hallinan; Mark S. (Westdene, ZA) (More From this Inventor...)
Application Date: June 8, 1992
Publication Date: February 22, 1994

3. (5271233) Method and means for providing refrigeration.
Assignee: African Oxygen Limited (Selby, ZA) (More From this Assignee...)
Inventor: Parker; Giles W. (Transvaal, ZA), Verster; Daniel M. (Transvaal, ZA) (More From this Inventor...)
Application Date: June 26, 1992
Publication Date: December 21, 1993

4. (5561944) Method and apparatus for enhancing the growth and quality of edible plants.
Assignee: African Oxygen Limited (Johannesburg, ZA) (More From this Assignee...)
Inventor: Ismail; Sooliman (Johannesburg, ZA), Sacks; Brian (Johannesburg, ZA) (More From this Inventor...)
Application Date: October 12, 1993
Publication Date: October 8, 1996

5. (5766477) Process for treating a liquid reactive medium.
Assignee: African Oxygen Limited (Johannesburg, ZA) (More From this Assignee...)
Inventor: John; Edmund Victor Owen (Johannesburg, ZA), Kuhn; George L. (Johannesburg, ZA) (More From this Inventor...)
Application Date: January 30, 1997
Publication Date: June 16, 1998

6. (5310413) Process and apparatus for extraction of metal values from metal bearing ores.
Assignee: African Oxygen Limited (Johannesburg, ZA) (More From this Assignee...)
Inventor: Hallinan; Mark S. (Johannesburg, ZA) (More From this Inventor...)
Application Date: June 8, 1992
Publication Date: May 10, 1994

7. (2070721) MIC OXYGENATION: EXTRACTION OF METALS VALUES FROM METALS BEARING ORES; OXYGENATION MIC : EXTRACTION D'ELEMENTS METALLIQUES DE MINERAIS METALLIFERES.
Assignee: HALLINAN, MARK S. (Not Available) STEPHENS, ANTHONY R. (Not Available) AFRICAN OXYGEN LIMITED (South Africa) (More From this Assignee...)
Inventor: HALLINAN, MARK S. (South Africa)STEPHENS, ANTHONY R. (South Africa) (More From this Inventor...)
Application Date: 1992-06-08

8. (4529676) Electrochemical cell.
Assignee: South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Galloway; Roy C. (Pretoria, ZA), Bones; Roger J. (Abington, GB2), Teagle; David A. (Swindon, GB2), Wright; Michael L. (Allestree, GB2) (More From this Inventor...)
Application Date: May 21, 1984
Publication Date: July 16, 1985

9. (4507371) Solid state cell wherein an anode, solid electrolyte and cathode each comprise a cubic-close-packed framework structure.
Assignee: South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Thackeray; Michael M. (Pretoria, ZA), Goodenough; John B. (Oxford, GB2) (More From this Inventor...)
Application Date: May 27, 1983
Publication Date: March 26, 1985

10. (4457989) Electrochemical cell and an anode structure for an electrochemical cell.
Assignee: South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Coetzer; Johan (Pretoria, ZA) (More From this Inventor...)
Application Date: September 28, 1981
Publication Date: July 3, 1984

11. (4114113) Laser and its method of operation.
Assignee: The South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Hasson; Victor Haim (Pretoria, ZA), VON Bergmann; Hubertus Michael (Pretoria, ZA) (More From this Inventor...)
Application Date: June 2, 1976
Publication Date: September 12, 1978

12. (4894229) Carrier-bound immunogenic determinants and carrier therefor.
Assignee: South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Polson; Alfred (Camps Bay, ZA), Van der Merwe; Kirsten J. (Stellenbosch, ZA) (More From this Inventor...)
Application Date: April 21, 1986
Publication Date: January 16, 1990

13. (4128336) Spectroscopic apparatus and method.
Assignee: The South African Inventions Development Corporation (ZA) (More From this Assignee...)
Inventor: Butler; Louis R. P. (Pretoria, ZA) (More From this Inventor...)
Application Date: August 16, 1976
Publication Date: December 5, 1978

14. (CA 1231707) METHOD AND PLANT FOR RECYCLING ASPHALT USING HOT AGGREGATE CONFLUENCE|INSTALLATION ET METHODE DE RECYCLAGE A CHAUD DES REVETEMENTS ROUTIERS BITUMINEUX POUR CHAUFFAGE DES GRANULATS D'APPORT.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: VOORS WILHELM PH (South Africa)|SERVAS VLADIMIROS (South Africa) (More From this Inventor...)
Application Date: 1983-11-21

15. (CA 1195726) ELECTROCHEMICAL CELL|PILE ELECTROCHIMIQUE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (THE) (Not Available) (More From this Assignee...)
Inventor: THACKERAY MICHAEL M (South Africa)|GOODENOUGH JOHN B (UK) (More From this Inventor...)
Application Date: 1983-06-01

16. (CA 1188157) STABILIZED RAILWAY VEHICLE|VEHICULE FERROVIAIRE AVEC STABILISATEUR.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: SCHEFFEL HERBERT (South Africa) (More From this Inventor...)
Application Date: 1982-08-31

17. (CA 1176700) ELECTROCHEMICAL CELL AND AN ANODE STRUCTURE FOR AN ELECTROCHEMICAL CELL|PILE ELECTROCHIMIQUE, ET ANODE CONNEXE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (THE) (Not Available) (More From this Assignee...)
Inventor: COETZER JOHAN (South Africa) (More From this Inventor...)
Application Date: 1981-09-30

18. (CA 1172692) ELECTROCHEMICAL CELL|CELLULE ELECTROCHIMIQUE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: GALLOWAY ROY C (South Africa)|COETZER JOHAN (South Africa)|BONES ROGER J (UK)|MOSELEY PATRICK T (UK)|TEAGLE DAVID A (UK) (More From this Inventor...)
Application Date: 1982-12-09

19. (CA 1151237) ELECTROCHEMICAL CELL|PILE ELECTROCHIMIQUE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: COETZER JOHAN (South Africa)|THACKERAY MICHAEL M (South Africa) (More From this Inventor...)
Application Date: 1980-10-31

20. (CA 1144998) WATERPROOFING OF INSULATED ELECTRIC CABLES|IMPERMEABILISATION DE CABLES ELECTRIQUES ISOLES.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: HUNN REGINALD A (South Africa) (More From this Inventor...)
Application Date: 1979-11-19

21. (1121859) APPARATUS AND METHOD FOR GENERATING A GLOW DISCHARGE; APPAREIL ET METHODE POUR PRODUIRE UNE DECHARGE LUMINESCENTE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (THE) (Not Available) (More From this Assignee...)
Inventor: HASSON, VICTOR H. (South Africa)VON BERGMANN, HUBERTUS M. (South Africa) (More From this Inventor...)
Application Date: 1978-11-15

22. (CA 1149865) ELECTROLYTE FOR AN ELECTROCHEMICAL CELL, AND AN ELECTROCHEMICAL CELL INCLUDING THE ELECTROLYTE|ELECTROLYTE POUR PILE ELECTROCHIMIQUE, ET PILE ELECTROCHIMIQUE GARNIE DUDIT ELECTROLYTE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (THE) (Not Available) (More From this Assignee...)
Inventor: NOLTE MARGARETHA J (South Africa)|COETZER JOHAN (South Africa)|STEYNBERG ANNEMARE (South Africa) (More From this Inventor...)
Application Date: 1980-08-12

23. (CA 1143177) METHOD OF STRESS GRADING A TIMBER LENGTH|METHODE DE CLASSIFICATION DE BOIS D'OEUVRE LONG SELON LA RESISTANCE AUX CONTRAINTES.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (Not Available) (More From this Assignee...)
Inventor: MADSEN BORGE S (Canada) (More From this Inventor...)
Application Date: 1980-04-28

24. (3989818) Influenza virus vaccine.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Polson; Alfred (Milnerton, ZA) (More From this Inventor...)
Application Date: October 4, 1974
Publication Date: November 2, 1976

25. (4164608) Cathode, and a cell incorporating such a cathode.
Assignee: The South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Coetzer; Johan (Pretoria, ZA) (More From this Inventor...)
Application Date: March 6, 1978
Publication Date: August 14, 1979

26. (4151801) Self-steering railway truck.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Scheffel; Herbert (Groenkloof, ZA), Von Gericke; Rowlen E. (Kempton Park, ZA) (More From this Inventor...)
Application Date: July 2, 1976
Publication Date: May 1, 1979

27. (4614277) Pallet with tensioned strips and bulk bin.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Fourie; Gideon (King Williamstown, ZA), Muir; David E. (Pinelands, ZA) (More From this Inventor...)
Application Date: May 22, 1985
Publication Date: September 30, 1986

28. (4102986) Process for the continuous manufacture of nitrous oxide.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Smit; Jakob Van Rouendal (Johannesburg, ZA), Hassiotis; Panayiotis (Johannesburg, ZA), Hasty; Robert Armistead (Johannesburg, ZA) (More From this Inventor...)
Application Date: November 8, 1976
Publication Date: July 25, 1978

29. (4707420) Power storage battery.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Wedlake; Roger J. (Johannesburg, ZA) (More From this Inventor...)
Application Date: May 8, 1986
Publication Date: November 17, 1987

30. (5128164) Composition for human consumption containing 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole compounds.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Van Wyk; Pieter J. (Nelspruit, ZA), Ackerman; Louis G. J. (Pretoria, ZA) (More From this Inventor...)
Application Date: April 15, 1991
Publication Date: July 7, 1992

31. (4975298) 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole compounds.
Assignee: South African Inventions Development Corporation (Pretoria, ZA) (More From this Assignee...)
Inventor: Van Wyk; Pieter J. (Pretoria, ZA), Ackerman; Louis G. (Pretoria, ZA) (More From this Inventor...)
Application Date: June 15, 1988
Publication Date: December 4, 1990

32. (CA 1095634) HIGH VOLTAGE ELECTRIC SWITCH|TRADUCTION NON-DISPONIBLE.
Assignee: SOUTH AFRICAN INVENTIONS DEVELOPMENT CORPORATION (South Africa) (More From this Assignee...)
Inventor: HASSON VICTOR H (South Africa)|VON BERGMANN HUBERTUS M (South Africa) (More From this Inventor...)
Application Date: 1976-06-01

33. (2082981) DUMMY DEVICE FOR MOULDING BONE CAVITY FORM; GABARIT POUR LA FABRICATION DU MOULE D'UNE CAVITE OSSEUSE.
Assignee: ELLOY, MARTIN (Not Available) CHAS F. THACKRAY LIMITED (U.K.) CHAS. F. THACKRAY LIMITED CHANGED NAME TO: DEPUY UK LIMITED (Not Available) (More From this Assignee...)
Inventor: ELLOY, MARTIN (U.K.) (More From this Inventor...)
Application Date: 1991-05-02
Publication Date: 1991-11-17

34. (2490163) 5T4 ANTIGEN EXPRESSION AS A MARKER FOR STEM CELL DIFFERENTIATION; EXPRESSION D'ANTIGENE 5T4.
Assignee: OXFORD BIOMEDICA (UK) LIMITED (U.K.) CANCER RESEARCH TECHNOLOGY LIMITED (U.K.) (More From this Assignee...)
Inventor: WARD, CHRISTOPHER M. (U.K.)STERN, PETER L. (U.K.)CARROLL, MILES W. (U.K.) (More From this Inventor...)
Application Date: 2003-07-02
Publication Date: 2004-01-15

35. (2525819) A REMOVABLE CARTRIDGE ASSEMBLY FOR A WATERLESS URINAL; ENSEMBLE DE CARTOUCHE AMOVIBLE POUR URINOIR SANS EAU.
Assignee: CAROMA INDUSTRIES LIMITED (Australia) WATER SOLUTIONS (GB) LIMITED (U.K.) (More From this Assignee...)
Inventor: CUMMINGS, STEPHEN JOHN (Australia) (More From this Inventor...)
Application Date: 2005-11-07

36. (CA 2461133) METHOD FOR DETERMINING CELL CYCLE POSITION|PROCEDE POUR DETERMINER UNE POSITION DANS LE CYCLE CELLULAIRE.
Assignee: CANCER RESEARCH TECHNOLOGY LIMITED (UK)%7CGE HEALTHCARE UK LIMITED (UK) (More From this Assignee...)
Inventor: PINES JONATHON NOE (UK)|THOMAS NICHOLAS (UK)|JONES ANNE ELIZABETH (UK)|GOODYER IAN DAVID (UK)|FRANCIS MICHAEL JOHN (UK)|ISMAIL RAHMAN AZIZ (UK)|KENDALL JONATHAN MARK (UK) (More From this Inventor...)
Application Date: 2002-09-12
Publication Date: 2003-04-17

37. (2427076) CASINO GAME AND DEVICE THEREFOR; JEU DE CASINO ET DISPOSITIF A CET EFFET.
Assignee: JOHN HUXLEY LIMITED (U.K.) AQUARIUS PRODUCTIONS LIMITED (U.K.) (More From this Assignee...)
Inventor: DE KELLER, DAVID G. (South Africa) (More From this Inventor...)
Application Date: 2001-09-03
Publication Date: 2002-03-07

38. (2090942) ANTI-TUMOUR COMPOUNDS CONTAINING QUINAZOLINE AND TETRAZOLE RINGS; COMPOSES ANTITUMORAUX CONTENANT DES NOYAUX DE QUINAZOLINE ET DE TETRAZOLE.
Assignee: ZENECA LIMITED (U.K.) BRITISH TECHNOLOGY GROUP LIMITED (U.K.) (More From this Assignee...)
Inventor: PEGG, STEPHEN JOHN (U.K.)WARDLEWORTH, JAMES MICHAEL (U.K.) (More From this Inventor...)
Application Date: 1993-03-03

39. (2516435) SEATING APPARATUS; SYSTEME DE SIEGE.
Assignee: KEEN GROUP LIMITED (U.K.) AZUMI DESIGN LIMITED (U.K.) (More From this Assignee...)
Inventor: AZUMI, SHIN (U.K.)JONSSON, INGEMAR (U.K.) (More From this Inventor...)
Application Date: 2004-01-19
Publication Date: 2004-08-05

40. (2451612) AN ORTHOPAEDIC JOINT PROSTHESIS; PROTHESES ARTICULAIRES ORTHOPEDIQUES.
Assignee: DEPUY INTERNATIONAL LIMITED (U.K.) IONBOND LIMITED (U.K.) (More From this Assignee...)
Inventor: HATTO, PETER (U.K.)FISHER, JOHN (U.K.)FARRAR, RICHARD (U.K.) (More From this Inventor...)
Application Date: 2002-07-05
Publication Date: 2003-01-16

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