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Donald W. Kirk
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Caledon, CA
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Patents Grants
last 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
Methods of sequestering CO2
Patent number
8,333,944
Issue date
Dec 18, 2012
Calera Corporation
Brent R. Constantz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Methods of sequestering CO2
Patent number
7,887,694
Issue date
Feb 15, 2011
Calera Corporation
Brent R. Constantz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Low energy electrochemical hydroxide system and method
Patent number
7,790,012
Issue date
Sep 7, 2010
Calera Corporation
Donald W. Kirk
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Amorphous metallic glass electrodes for electrochemical processes
Patent number
6,303,015
Issue date
Oct 16, 2001
Steven J. Thorpe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Process for the production of alpha hemihydrate calcium sulfate fro...
Patent number
5,562,892
Issue date
Oct 8, 1996
Donald W. Kirk
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Amorphous metal/metallic glass electrodes for electrochemical proce...
Patent number
5,429,725
Issue date
Jul 4, 1995
Steven J. Thorpe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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 Applications
last 30 patents
Information
Patent Application
ELECTROCHEMICAL CARBON DIOXIDE UTILIZATION
Publication number
20190186027
Publication date
Jun 20, 2019
The Governing Council of the University of Toronto
Donald KIRK
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
METHODS OF SEQUESTERING CO2
Publication number
20120213688
Publication date
Aug 23, 2012
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF SEQUESTERING CO2
Publication number
20110059000
Publication date
Mar 10, 2011
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LOW-ENERGY ELECTROCHEMICAL HYDROXIDE SYSTEM AND METHOD
Publication number
20100224503
Publication date
Sep 9, 2010
Donald W. Kirk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Low Energy Electrochemical Hydroxide System and Method
Publication number
20100155258
Publication date
Jun 24, 2010
Donald W. Kirk
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHODS OF SEQUESTERING CO2
Publication number
20100132556
Publication date
Jun 3, 2010
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF SEQUESTERING CO2
Publication number
20100135882
Publication date
Jun 3, 2010
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ELECTROCHEMICAL METHODS OF SEQUESTERING CO2
Publication number
20100135865
Publication date
Jun 3, 2010
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF SEQUESTERING CO2
Publication number
20090169452
Publication date
Jul 2, 2009
Brent R. Constantz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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