Ishwinder Singh Grewal

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Surrey, CA

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Patents Grantslast 30 patents

Information Patent Grant
Methods, materials and techniques for precious metal recovery
- Patent number 10,526,682
- Issue date Jan 7, 2020
- Enviroleach Technologies Inc.
- Duane Nelson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Centrifugal separation bowl with material accelerator
- Patent number 6,986,732
- Issue date Jan 17, 2006
- Knelson Patent Inc.
- Edwin John William Zonneveld
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Continuous centrifugal separation of slurry using balls contained i...
- Patent number 6,962,560
- Issue date Nov 8, 2005
- Knelson Patents Inc.
- Ishwinder Singh Grewal
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Information Patent Application
Methods, Materials and Techniques for Precious Metal Recovery
- Publication number 20190017145
- Publication date Jan 17, 2019
- Enviroleach Technologies Inc.
- Duane Nelson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for producing products from source materials by leaching wit...
- Publication number 20070166225
- Publication date Jul 19, 2007
- Xcentia Energy LLC
- Dennis W. Johnson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Continuous centrifugal separator of heavier particulate materials f...
- Publication number 20050026766
- Publication date Feb 3, 2005
- Ishwinder Singh Grewal
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Centrifugal separation bowl with material accelerator
- Publication number 20040121892
- Publication date Jun 24, 2004
- Edwin John William Zonneveld
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...