Francis X. Gradich

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Elizabeth, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method using portable wall engaging ferromagnetic partic...
- Patent number 5,373,235
- Issue date Dec 13, 1994
- Westinghouse Electric Corporation
- William G. Clark
- G01 - MEASURING TESTING
Information Patent Grant
System and method including a buried flexible sheet target impregna...
- Patent number 5,200,704
- Issue date Apr 6, 1993
- Westinghouse Electric Corp.
- William G. Clark
- G01 - MEASURING TESTING
Information Patent Grant
Tube plug inspection system
- Patent number 5,100,610
- Issue date Mar 31, 1992
- Westinghouse Electric Corp.
- William E. Pirl
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
System and method for inspecting metallic plugs in heat exchanger t...
- Patent number 4,992,735
- Issue date Feb 12, 1991
- Westinghouse Electric Corp.
- William K. Cullen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for inspecting the profile of the inner wall o...
- Patent number 4,876,506
- Issue date Oct 24, 1989
- Westinghouse Electric Corp.
- Stephen D. Brown
- G01 - MEASURING TESTING
Information Patent Grant
Optical profilometry system for tubular products
- Patent number 4,725,883
- Issue date Feb 16, 1988
- Westinghouse Electric Corp.
- William G. Clark
- G01 - MEASURING TESTING