Henry S. Duffee

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Florence, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Diametric plane split mechanical face seal
- Patent number 5,716,054
- Issue date Feb 10, 1998
- BW/IP International, Inc.
- Henry S. Duffee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Semi-cartridge seal
- Patent number 5,294,132
- Issue date Mar 15, 1994
- Five Star Seal Corporation
- Henry S. K. Duffee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing protection device
- Patent number 5,290,047
- Issue date Mar 1, 1994
- Five Star Seal Corporation
- Henry S. K. Duffee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Housing seal chamber body
- Patent number 5,035,436
- Issue date Jul 30, 1991
- Five Star Seal Corporation
- Robert E. Rockwood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shaft seal
- Patent number 4,538,820
- Issue date Sep 3, 1985
- Henry S. Duffee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cartridge type rotary shaft seal with bearings and bellows
- Patent number 4,443,015
- Issue date Apr 17, 1984
- Five Star Seal Corporation
- Henry S. Duffee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...