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Christopher Hersey
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South Portland, ME, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for separating particulate from stormwater
Patent number
8,746,463
Issue date
Jun 10, 2014
Contech Engineered Solutions LLC
Daniel P. Cobb
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Biosafety cabinet filter removal devices, systems, and methods
Patent number
8,568,516
Issue date
Oct 29, 2013
The Baker Company, Inc.
Ronald W. Gingras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter assembly, system and method
Patent number
8,512,555
Issue date
Aug 20, 2013
Contech Engineered Solutions LLC
Vaikko P. Allen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Stormwater filter assembly
Patent number
8,110,099
Issue date
Feb 7, 2012
Contech Stormwater Solutions Inc.
Christopher S. Hersey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flow control structure and related media filtration system
Patent number
7,837,868
Issue date
Nov 23, 2010
Contech Stormwater Solutions, Inc.
David W. Jacob
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flow control structure and related media filtration system
Patent number
7,638,066
Issue date
Dec 29, 2009
Contech Stormwater Solutions Inc.
David W. Jacob
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Pre-assembled flow control structured and related media filtration...
Patent number
7,517,450
Issue date
Apr 14, 2009
Contech Stormwater Solutions Inc.
Christopher S. Hersey
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
BIOSAFETY CABINET FILTER REMOVAL DEVICES, SYSTEMS, AND METHODS
Publication number
20130020249
Publication date
Jan 24, 2013
Ronald W. Gingras
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLOW CONTROL STRUCTURE AND RELATED MEDIA FILTRATION SYSTEM
Publication number
20100051525
Publication date
Mar 4, 2010
David W. Jacob
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FLOW CONTROL STRUCTURE AND RELATED MEDIA FILTRATION SYSTEM
Publication number
20090314723
Publication date
Dec 24, 2009
David W. Jacob
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Stormwater Filter Assembly
Publication number
20080277327
Publication date
Nov 13, 2008
Contech Stormwater Solutions, Inc.
Christopher S. Hersey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pre-Assembled Flow Control Structure and Related Media Filtration S...
Publication number
20080277326
Publication date
Nov 13, 2008
Contech Stormwater Solutions, Inc.
Christopher S. Hersey
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS FOR SEPARATING PARTICULATE FROM STORMWATER
Publication number
20070267342
Publication date
Nov 22, 2007
Contech Stormwater Solutions, Inc.
Daniel P. Cobb
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL