Steven H. Bowens

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Westchester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic mixer screw tip
- Patent number 7,246,936
- Issue date Jul 24, 2007
- CertainTeed Corp
- Thomas A. Gates
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dynamic mixer screw tip
- Patent number 6,958,128
- Issue date Oct 25, 2005
- CertainTeed Corporation
- Thomas A. Gates
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Wear resistant extruder screw
- Patent number 6,634,781
- Issue date Oct 21, 2003
- Saint Gobain Industrial Ceramics, Inc.
- Steven H. Bowens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Dynamic mixer screw tip
- Publication number 20050270894
- Publication date Dec 8, 2005
- Thomas A. Gates
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Dynamic mixer screw tip
- Publication number 20050111294
- Publication date May 26, 2005
- CertainTeed Corporation
- Thomas A. Gates
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Wear resistant extruder screw
- Publication number 20020131328
- Publication date Sep 19, 2002
- Certain Teed Corp.
- Steven H. Bowens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL