James W. Koewing

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Bethel Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Insulating flow and bushing blocks, bushing assemblies, fiber formi...
- Patent number 6,044,666
- Issue date Apr 4, 2000
- PPG Industries Ohio, Inc.
- Gerard J. Burger
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Bushing insulation and frame arrangement for making fiber glass
- Patent number 5,948,135
- Issue date Sep 7, 1999
- PPG Industries Ohio, Inc.
- Reed H. Grundy
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Bushings and fiber forming assemblies
- Patent number 5,935,291
- Issue date Aug 10, 1999
- PPG Industries Ohio, Inc.
- Kwan Young Kim
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Tension measuring device and method for filamentary material
- Patent number 4,546,656
- Issue date Oct 15, 1985
- PPG Industries, Inc.
- Reed H. Grundy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL