Dennis R. Porter

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Duncanville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Crest supported filter frame assembly and method
- Patent number 7,255,723
- Issue date Aug 14, 2007
- AAF-McQuay, Inc.
- Kyung-Ju Choi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Thermobondable filter medium and border frame and method of making...
- Patent number 7,112,255
- Issue date Sep 26, 2006
- AAF-McQuay Inc.
- Kyung-Ju Choi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Thermobondable filter medium and border frame and method of making...
- Patent number 6,758,878
- Issue date Jul 6, 2004
- AAF-McQuay, Inc.
- Kyung-Ju Choi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Pleated fluid filter medium frame
- Patent number 6,398,839
- Issue date Jun 4, 2002
- AAF International
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pleated fluid filter medium blend
- Patent number 6,254,653
- Issue date Jul 3, 2001
- AAF International
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Crest Supported Filter Frame Assembly and Method
- Publication number 20080017570
- Publication date Jan 24, 2008
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Crest supported filter frame assembly and method
- Publication number 20050150201
- Publication date Jul 14, 2005
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Thermobondable filter medium and border frame and method of making...
- Publication number 20040112526
- Publication date Jun 17, 2004
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Thermobondable filter medium and border frame and method of making...
- Publication number 20030192293
- Publication date Oct 16, 2003
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Pleated fluid filter medium method
- Publication number 20010036890
- Publication date Nov 1, 2001
- AAF INTERNATIONAL
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PLEATED FLUID FILTER MEDIUM FRAME
- Publication number 20010032446
- Publication date Oct 25, 2001
- AAF INTERNATIONAL
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL