Francis E. Pritchard

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Buffalo, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Leakage measurement into a gas-charged collapsible container
- Patent number 5,309,752
- Issue date May 10, 1994
- Praxair Technology, Inc.
- Erwin S. Beckinghausen
- G01 - MEASURING TESTING
Information Patent Grant
High pressure regulator valve
- Patent number 4,909,269
- Issue date Mar 20, 1990
- Union Carbide Corporation
- Francis E. Pritchard
- G05 - CONTROLLING REGULATING
Information Patent Grant
High pressure regulator
- Patent number 4,905,723
- Issue date Mar 6, 1990
- Union Carbide Corporation
- Francis E. Pritchard
- G05 - CONTROLLING REGULATING
Information Patent Grant
High pressure regulator valve
- Patent number 4,844,111
- Issue date Jul 4, 1989
- Union Carbide Corporation
- Francis E. Pritchard
- G05 - CONTROLLING REGULATING