John W. Graydon

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Production of biochar absorbent from anaerobic digestate
- Patent number 9,919,290
- Issue date Mar 20, 2018
- CHAR Technologies Inc.
- Donald W. Kirk
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Production of biochar absorbent from anaerobic digestate
- Patent number 9,381,493
- Issue date Jul 5, 2016
- SulfaCHAR Inc.
- Donald W. Kirk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrochemical cell stacks
- Patent number 6,527,921
- Issue date Mar 4, 2003
- Donald W Kirk
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Bifurcated electrode of use in electrolytic cells
- Patent number 6,527,923
- Issue date Mar 4, 2003
- Donald W. Kirk
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for treating solid waste containing volatilizable inorganic...
- Patent number 5,612,008
- Issue date Mar 18, 1997
- Donald W. Kirk
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Manufacture of self supporting members of copper containing phosphorus
- Patent number 4,786,375
- Issue date Nov 22, 1988
- Falconbridge Limited
- John W. Graydon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION OF BIOCHAR ABSORBENT FROM ANAEROBIC DIGESTATE
- Publication number 20160279599
- Publication date Sep 29, 2016
- SulfaCHAR Inc.
- Donald W. Kirk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRODUCTION OF BIOCHAR ABSORBENT FROM ANAEROBIC DIGESTATE
- Publication number 20130295634
- Publication date Nov 7, 2013
- DJA TECHNOLOGIES INC.
- Donald W. Kirk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Electrochemical cell stacks
- Publication number 20040151953
- Publication date Aug 5, 2004
- Donald W. Kirk
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electrochemical cell stacks
- Publication number 20020100681
- Publication date Aug 1, 2002
- Donald W. Kirk
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Bifurcated electrode of use in electrolytic cells
- Publication number 20020079216
- Publication date Jun 27, 2002
- Donald W. Kirk
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR