Christopher M. Zetena

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Atlanta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Chemical feeder
- Patent number 7,143,778
- Issue date Dec 5, 2006
- Arch Chemicals, Inc.
- David W. Blanchette
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Chemical feeder
- Patent number 6,915,811
- Issue date Jul 12, 2005
- Arch Chemicals, Inc.
- David W. Blanchette
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Chemical feeder
- Patent number 6,497,822
- Issue date Dec 24, 2002
- Arch Chemicals, Inc.
- David W. Blanchette
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
TREATMENT COMPOSITION FOR RECREATIONAL WATER
- Publication number 20120195979
- Publication date Aug 2, 2012
- ARCH CHEMICALS, INC.
- Derek Francis PARISH
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Treatment composition for recreational water
- Publication number 20080011690
- Publication date Jan 17, 2008
- Derek Francis Parish
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Chemical feeder
- Publication number 20050145277
- Publication date Jul 7, 2005
- Arch Chemicals, Inc., a corporation of the State of Connecticut
- David W. Blanchette
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Chemical feeder
- Publication number 20030116592
- Publication date Jun 26, 2003
- David W. Blanchette
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Chemical feeder
- Publication number 20020011436
- Publication date Jan 31, 2002
- David W. Blanchette
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL