David M. Colby

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Medford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Filtration element and method of constructing a filtration assembly
- Patent number 7,387,731
- Issue date Jun 17, 2008
- Koch Membrane Systems, Inc.
- David M. Colby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Filtration element and method of constructing a filtration assembly
- Patent number 7,311,830
- Issue date Dec 25, 2007
- Koch Membrane Systems, Inc.
- David M. Colby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Filtration element and method of constructing a filtration assembly
- Patent number 7,063,789
- Issue date Jun 20, 2006
- Koch Membrane Systems, Inc.
- David M. Colby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spiral filtration module having bypass prevention flange
- Patent number 5,470,468
- Issue date Nov 28, 1995
- Koch Membrane Systems, Inc.
- David M. Colby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and article for restraining extrusion of feed spacers and ci...
- Patent number 5,073,263
- Issue date Dec 17, 1991
- Carlos A. Fagundes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Reverse Osmosis Pressure Vessel End Cap Assembly
- Publication number 20110233126
- Publication date Sep 29, 2011
- Warren C. Prouty
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtration element and method of constructing a filtration assembly
- Publication number 20060180540
- Publication date Aug 17, 2006
- Koch Membrane Systems, Inc.
- David M. Colby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtration element and method of constructing a filtration assembly
- Publication number 20060070940
- Publication date Apr 6, 2006
- Koch Membrane Systems, Inc.
- David M. Colby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtration element and method of constructing a filtration assembly
- Publication number 20050035047
- Publication date Feb 17, 2005
- David M. Colby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL