David Kratochvil

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Removal of dissolved selenium from aqueous solutions
- Patent number 9,963,360
- Issue date May 8, 2018
- BQE WATER INC.
- David Kratochvil
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Processes for producing h2s using sulphur-reducing bacteria
- Patent number 9,085,779
- Issue date Jul 21, 2015
- Bioteq Environmental Technologies Inc.
- David Kratochvil
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Selective sulphate removal by exclusive anion exchange from hard wa...
- Patent number 8,840,793
- Issue date Sep 23, 2014
- Bioteq Environmental Technologies Inc.
- Michael Bratty
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Nickel sulphide precipitation process
- Patent number 8,747,678
- Issue date Jun 10, 2014
- Bioteq Environmental Technologies Inc.
- Michael Bratty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
REMOVAL OF DISSOLVED SELENIUM FROM AQUEOUS SOLUTIONS
- Publication number 20160289092
- Publication date Oct 6, 2016
- BIOTEQ ENVIRONMENTAL TECHNOLOGIES INC.
- David KRATOCHVIL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SELECTIVE SULPHATE REMOVAL BY EXCLUSIVE ANION EXCHANGE FROM HARD WA...
- Publication number 20140034575
- Publication date Feb 6, 2014
- BIOTEQ ENVIRONMENTAL TECHNOLOGIES INC.
- Michael Bratty
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR PRODUCING H2S USING SULPHUR-REDUCING BACTERIA
- Publication number 20110104776
- Publication date May 5, 2011
- BIOTEQ ENVIRONMENTAL TECHNOLOGIES INC.
- David Kratochvil
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SELECTIVE SULPHATE REMOVAL BY EXCLUSIVE ANION EXCHANGE FROM HARD WA...
- Publication number 20100307972
- Publication date Dec 9, 2010
- BIOTEQ ENVIRONMENTAL TECHNOLOGIES INC.
- Michael Bratty
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Nickel sulphide precipitation process
- Publication number 20090068076
- Publication date Mar 12, 2009
- BIOTEQ ENVIRNMENTAL TECHNOLOGIES, INC.
- Michael Bratty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...