Karin N. Soper

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Rindge, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter media with improved conductivity
- Patent number 9,192,942
- Issue date Nov 24, 2015
- Hollingsworth & Vose Company
- Wai Ming Choi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Filter media with improved conductivity
- Patent number 8,663,358
- Issue date Mar 4, 2014
- Hollingsworth & Vose Company
- Wai M. Choi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Filter media with improved conductivity
- Patent number 7,964,012
- Issue date Jun 21, 2011
- Hollingsworth & Vose Company
- Wai M. Choi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
FILTER MEDIA WITH IMPROVED CONDUCTIVITY
- Publication number 20160166960
- Publication date Jun 16, 2016
- Hollingsworth & Vose Company
- Wai Ming Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIA WITH IMPROVED CONDUCTIVITY
- Publication number 20140190353
- Publication date Jul 10, 2014
- Hollingsworth & Vose Company
- Wai Ming Choi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
FILTER MEDIA WITH IMPROVED CONDUCTIVITY
- Publication number 20110265312
- Publication date Nov 3, 2011
- Hollingsworth & Vose Company
- Wai M. Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIA WITH IMPROVED CONDUCTIVITY
- Publication number 20070028767
- Publication date Feb 8, 2007
- Hollingsworth & Vose Company
- Wai Ming Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL