Willard P. Spalding

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low stress conical type diaphragm
- Patent number 5,437,219
- Issue date Aug 1, 1995
- Westinghouse Air Brake Company
- Daniel G. Scott
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Conical diaphragm and method of making
- Patent number 5,220,863
- Issue date Jun 22, 1993
- Westinghouse Air Brake Company
- Daniel G. Scott
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Low stress diaphragm
- Patent number 4,951,554
- Issue date Aug 28, 1990
- American Standard Inc.
- Daniel G. Scott
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Brake cylinder/air reservoir device
- Patent number 4,557,181
- Issue date Dec 10, 1985
- American Standard Inc.
- James E. Hart
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Combined air reservoir/brake cylinder device
- Patent number 4,418,799
- Issue date Dec 6, 1983
- American Standard Inc.
- James E. Hart
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tread brake assembly
- Patent number 4,022,304
- Issue date May 10, 1977
- Westinghouse Air Brake Company
- Willard P. Spalding
- B60 - VEHICLES IN GENERAL