Keith L. Seifert

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Torrington, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making a polymer part having an amorphous surface layer
- Patent number 5,223,203
- Issue date Jun 29, 1993
- The Torrington Company
- Keith L. Seifert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Crystalline plastic body with outer amorphous plastic surface layer
- Patent number 5,200,265
- Issue date Apr 6, 1993
- The Torrington Company
- Keith L. Seifert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process for molding polymer bearing cage with amorphous case
- Patent number 5,182,070
- Issue date Jan 26, 1993
- The Torrington Company
- Keith L. Seifert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Polymer bearing cage with amorphous case
- Patent number 5,104,241
- Issue date Apr 14, 1992
- The Torrington Company
- Keith L. Seifert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS