David C. Pollock

Person

South East Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Circular clarifier apparatus and method
- Patent number 7,985,341
- Issue date Jul 26, 2011
- Noram Engineering and Construction Ltd.
- David C. Pollock
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Circular clarifier apparatus and method
- Patent number 7,258,788
- Issue date Aug 21, 2007
- Noram Engineering and Constructors Ltd.
- David C. Pollock
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Methods and apparatus for biological treatment of waste waters
- Patent number 6,733,662
- Issue date May 11, 2004
- V.A.I. Ltd.
- David Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus and method for controlling liquor circulation flow in lon...
- Patent number 6,468,429
- Issue date Oct 22, 2002
- Noram Engineering and Constructors Ltd.
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Multi-pressure head tank for use with vertical shaft bioreactors
- Patent number 5,660,724
- Issue date Aug 26, 1997
- Deep Shaft Technology Inc.
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biodegradeable effluent nutrient removal
- Patent number 5,651,892
- Issue date Jul 29, 1997
- Deep Shaft Technology Inc.
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aerobic long vertical shaft bioreactors
- Patent number 5,650,070
- Issue date Jul 22, 1997
- Deep Shaft Technology Inc.
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of waste liquor in a vertical shaft bioreactor
- Patent number 5,645,726
- Issue date Jul 8, 1997
- Deep Shaft Technology Inc.
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Methods And Apparatus For Biological Treatment of Waste Waters
- Publication number 20080283469
- Publication date Nov 20, 2008
- V.A.I. Ltd.
- David C. POLLOCK
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods and Apparatus For Biological Treatment of Waste Waters
- Publication number 20080251439
- Publication date Oct 16, 2008
- V.A.I. Ltd.
- David C. POLLOCK
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods and Devices for Improved Aeration From Vertically-Orientate...
- Publication number 20080017558
- Publication date Jan 24, 2008
- David C. Pollock
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Circular clarifier apparatus and method
- Publication number 20070289912
- Publication date Dec 20, 2007
- Noram Engineering and Constructors Ltd.
- David C. Pollock
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods and apparatus for biological treatment of waste waters
- Publication number 20060243664
- Publication date Nov 2, 2006
- V.A.I. Ltd.
- David C. Pollock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method and apparatus providing improved throughput and operating li...
- Publication number 20050218074
- Publication date Oct 6, 2005
- David C. Pollock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Circular clarifier apparatus and method
- Publication number 20050199555
- Publication date Sep 15, 2005
- David C. Pollock
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods and apparatus for biological treatment of waste waters
- Publication number 20050115880
- Publication date Jun 2, 2005
- V.A.I. Ltd.
- David C. Pollock
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods and apparatus for biological treatment of waste waters
- Publication number 20020162795
- Publication date Nov 7, 2002
- David C. Pollock
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

David C. Pollock

Person

Patents Grantslast 30 patents

Circular clarifier apparatus and method

Circular clarifier apparatus and method

Methods and apparatus for biological treatment of waste waters

Apparatus and method for controlling liquor circulation flow in lon...

Multi-pressure head tank for use with vertical shaft bioreactors

Biodegradeable effluent nutrient removal

Aerobic long vertical shaft bioreactors

Treatment of waste liquor in a vertical shaft bioreactor

Patents Applicationslast 30 patents

Methods And Apparatus For Biological Treatment of Waste Waters

Methods and Apparatus For Biological Treatment of Waste Waters

Methods and Devices for Improved Aeration From Vertically-Orientate...

Circular clarifier apparatus and method

Methods and apparatus for biological treatment of waste waters

Method and apparatus providing improved throughput and operating li...

Circular clarifier apparatus and method

Methods and apparatus for biological treatment of waste waters

Methods and apparatus for biological treatment of waste waters