Mark C. Holder

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Mohnton, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure film-riding seals for rotating shafts
- Patent number 6,692,006
- Issue date Feb 17, 2004
- Stein Seal Company
- Mark C. Holder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal structures
- Patent number 5,451,065
- Issue date Sep 19, 1995
- Stein Seal Company
- Mark C. Holder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stationary seal ring assembly for use in dry gas face seal assemblies
- Patent number 5,137,284
- Issue date Aug 11, 1992
- Stein Seal Company
- Mark C. Holder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
High-pressure film-riding seals for rotating shafts
- Publication number 20030071422
- Publication date Apr 17, 2003
- Mark C. Holder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...