David W. Alley

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical end face seal
- Patent number 4,427,204
- Issue date Jan 24, 1984
- David W. Alley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal for repair of a shaft or the like and a method for doing same
- Patent number 4,087,098
- Issue date May 2, 1978
- David W. Alley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...