David A. Chizmar

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Patents Grantslast 30 patents

Information Patent Grant
System and method for mapping residual surface stresses in a value...
- Patent number 5,666,051
- Issue date Sep 9, 1997
- Thermo King Corporation
- Warren R. Junker
- B82 - NANO-TECHNOLOGY
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
Apparatus and method for inspecting an item having grooves machined...
- Patent number 5,065,635
- Issue date Nov 19, 1991
- Westinghouse Electric Corp.
- Lee W. Burtner
- G01 - MEASURING TESTING
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
Mandrel having an eddy current probe
- Patent number 4,586,249
- Issue date May 6, 1986
- Westinghouse Electric Corp.
- Annette M. Costlow
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Simulation apparatus for eddy current inspection techniques
- Patent number 4,578,643
- Issue date Mar 25, 1986
- Westinghouse Electric Corp.
- Warren R. Junker
- G01 - MEASURING TESTING