David Krichten

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Allentown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Water drain tank or channel module
- Patent number 7,591,610
- Issue date Sep 22, 2009
- Brentwood Industries, Inc
- David Krichten
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for reabsorption and retention of phosphorous by activated...
- Patent number 4,257,897
- Issue date Mar 24, 1981
- Air Products and Chemicals, Inc.
- David J. Krichten
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
WATER DRAIN TANK OR CHANNEL MODULE
- Publication number 20070181197
- Publication date Aug 9, 2007
- BRENTWOOD INDUSTRIES, INC.
- David Krichten
- E03 - WATER SUPPLY SEWERAGE