Douglas A. D. Norris

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Clemmons, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for liquid filtration with reduced hold-up volume
- Patent number 8,069,991
- Issue date Dec 6, 2011
- Entegris, Inc.
- Douglas A. D. Norris
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PLEATED FILTER MEDIA WITH CONTINUALLY VARYING INTERMEDIATE PLEAT HE...
- Publication number 20130306547
- Publication date Nov 21, 2013
- Lydall, Inc.
- DOUGLAS A. D. NORRIS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR LIQUID FILTRATION WITH REDUCED HOLD-UP VOLUME
- Publication number 20120043273
- Publication date Feb 23, 2012
- Douglas A. D. Norris
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
O-RINGLESS SEAL COUPLINGS
- Publication number 20110163540
- Publication date Jul 7, 2011
- ENTEGRIS, INC.
- Timothy W. Towle
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
System and Method for Liquid Filtration with Reduced Hold-Up Volume
- Publication number 20090194475
- Publication date Aug 6, 2009
- Entegris, Inc.
- Douglas A. D. Norris
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL