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Lawrence A. Nelson
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Penn Township, Westmoreland County, PA, US
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last 30 patents
Information
Patent Grant
Method for sealing a bare hole defined by a nuclear heat exchanger...
Patent number
5,715,598
Issue date
Feb 10, 1998
Westinghouse Electric Corporation
James W. Everett
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
System for removing a plug from a heat exchanger tube
Patent number
5,255,717
Issue date
Oct 26, 1993
Westinghouse Electric Corp.
Lawrence A. Nelson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for controlling leakage through degraded heat exchanger tube...
Patent number
5,027,507
Issue date
Jul 2, 1991
Westinghouse Electric Corp.
Lawrence A. Nelson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
System for removing a plug from a heat exchanger tube
Patent number
4,829,660
Issue date
May 16, 1989
Westinghouse Electric Corp.
James W. Everett
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-seal mechanical tube plug
Patent number
4,771,810
Issue date
Sep 20, 1988
Westinghouse Electric Corp.
Leonard F. Ermold
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Multi-seal mechanical tube plug
Patent number
4,765,374
Issue date
Aug 23, 1988
Westinghouse Electric Corp.
Leonard F. Ermold
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Duplex mechanical tube plug
Patent number
4,751,944
Issue date
Jun 21, 1988
Westinghouse Electric Corp.
Susanta Sinha
F28 - HEAT EXCHANGE IN GENERAL