Cominco Engineering Services Ltd.

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pressure oxidation leaching in the presence of an acidic solution o...
- Patent number 7,438,874
- Issue date Oct 21, 2008
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the treatment of molybdenum concentrate
- Patent number 7,169,371
- Issue date Jan 30, 2007
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the treatment or removal of impurities in a hydrometall...
- Patent number 6,755,891
- Issue date Jun 29, 2004
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of zinc from a zinc sulphide ore or concen...
- Patent number 6,471,849
- Issue date Oct 29, 2002
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the extraction of copper from a sulphide copper ore or...
- Patent number 6,455,019
- Issue date Sep 24, 2002
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of nickel and/or cobalt from a concentrate
- Patent number 6,383,460
- Issue date May 7, 2002
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chloride assisted hydrometallurgical extraction of metal
- Patent number RE37251
- Issue date Jul 3, 2001
- Cominco Engineering Services Ltd.
- David L. Jones
- 205 - Electrolysis: processes, compositions used therein, and methods of prep...
Information Patent Grant
Process for extraction of metal from an ore or concentrate containi...
- Patent number 6,171,564
- Issue date Jan 9, 2001
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the solvent extraction of nickel and cobalt values in t...
- Patent number 6,054,105
- Issue date Apr 25, 2000
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chloride assisted hydrometallurgical extraction of metal
- Patent number 5,902,474
- Issue date May 11, 1999
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chloride assisted hydrometallurgical extraction of metal
- Patent number 5,874,055
- Issue date Feb 23, 1999
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chloride assisted hydrometallurgical extraction of metal
- Patent number 5,869,012
- Issue date Feb 9, 1999
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Pressure reducing heat exchanger
- Patent number 5,857,516
- Issue date Jan 12, 1999
- Cominco Engineering Services Ltd.
- Neville P. Jordison
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process for the recovery of nickel and/or cobalt from an ore or con...
- Patent number 5,855,858
- Issue date Jan 5, 1999
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Flotation method and apparatus
- Patent number 5,814,228
- Issue date Sep 29, 1998
- Cominco Engineering Services Ltd.
- Gale L. Hubred
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sparger for producing gas bubbles in a liquid
- Patent number 5,693,263
- Issue date Dec 2, 1997
- Cominco Engineering Services Ltd.
- William A. C. Meekel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Chloride assisted hydrometallurgical extraction of metal
- Patent number 5,650,057
- Issue date Jul 22, 1997
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chloride assisted hydrometallurgical copper extraction
- Patent number 5,645,708
- Issue date Jul 8, 1997
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Flotation method and apparatus
- Patent number 5,643,459
- Issue date Jul 1, 1997
- Cominco Engineering Services Ltd.
- Gale L. Hubred
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Floatation method and apparatus
- Patent number 5,584,995
- Issue date Dec 17, 1996
- Cominco Engineering Services Ltd.
- William A. C. Meekel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Dual drive for belt conveyor
- Patent number 5,452,791
- Issue date Sep 26, 1995
- Cominco Engineering Services Ltd.
- Donald E. Morency
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Chloride assisted hydrometallurgical copper extraction
- Patent number 5,431,788
- Issue date Jul 11, 1995
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical copper extraction process
- Patent number 5,316,567
- Issue date May 31, 1994
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical copper extraction process
- Patent number 5,223,024
- Issue date Jun 29, 1993
- Cominco Engineering Services Ltd.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Process for gold and silver recovery from a sulphide concentrate
- Publication number 20080286180
- Publication date Nov 20, 2008
- COMINCO ENGINEERING SERVICES LTD.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the treatment or removal of impurities in a hydrometall...
- Publication number 20030192404
- Publication date Oct 16, 2003
- COMINCO ENGINEERING SERVICES LTD.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the treatment of molybdenum concentrate
- Publication number 20030124040
- Publication date Jul 3, 2003
- COMINCO ENGINEERING SERVICES LTD.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Trademarklast 30 trademarks

Information Trademark
75060600 - SPARJET
- Serial number 75060600
- Registration number 2175975
- Filing date Feb 21, 1996
- COMINCO ENGINEERING SERVICES LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74191082 - CESL
- Serial number 74191082
- Registration number 1933370
- Filing date Aug 2, 1991
- COMINCO ENGINEERING SERVICES LTD.
- 42 - Scientific and technological services and research and design relating thereto

Cominco Engineering Services Ltd.

Organization

Patents Grantslast 30 patents

Pressure oxidation leaching in the presence of an acidic solution o...

Process for the treatment of molybdenum concentrate

Process for the treatment or removal of impurities in a hydrometall...

Process for the recovery of zinc from a zinc sulphide ore or concen...

Process for the extraction of copper from a sulphide copper ore or...

Process for the recovery of nickel and/or cobalt from a concentrate

Chloride assisted hydrometallurgical extraction of metal

Process for extraction of metal from an ore or concentrate containi...

Process for the solvent extraction of nickel and cobalt values in t...

Chloride assisted hydrometallurgical extraction of metal

Chloride assisted hydrometallurgical extraction of metal

Chloride assisted hydrometallurgical extraction of metal

Pressure reducing heat exchanger

Process for the recovery of nickel and/or cobalt from an ore or con...

Flotation method and apparatus

Sparger for producing gas bubbles in a liquid

Chloride assisted hydrometallurgical extraction of metal

Chloride assisted hydrometallurgical copper extraction

Flotation method and apparatus

Floatation method and apparatus

Dual drive for belt conveyor

Chloride assisted hydrometallurgical copper extraction

Hydrometallurgical copper extraction process

Hydrometallurgical copper extraction process

Patents Applicationslast 30 patents

Process for gold and silver recovery from a sulphide concentrate

Process for the treatment or removal of impurities in a hydrometall...

Process for the treatment of molybdenum concentrate

Trademarklast 30 trademarks

75060600 - SPARJET

74191082 - CESL