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John Bartko
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Monroeville, PA, US
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last 30 patents
Information
Patent Grant
Prompt gamma neutron activation analysis system
Patent number
5,539,788
Issue date
Jul 23, 1996
Westinghouse Electric Corporation
Frank H. Ruddy
G01 - MEASURING TESTING
Information
Patent Grant
System and method for on-line monitoring and control of heavy metal...
Patent number
5,414,195
Issue date
May 9, 1995
Westinghouse Electric Corporation
Steven H. Peterson
G01 - MEASURING TESTING
Information
Patent Grant
Production of highly conductive polymers for electronic circuits
Patent number
5,250,388
Issue date
Oct 5, 1993
Westinghouse Electric Corp.
Karl F. Schoch
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
System and method for on-line monitoring and control of heavy metal...
Patent number
5,133,901
Issue date
Jul 28, 1992
Westinghouse Electric Corp.
Steven H. Peterson
G01 - MEASURING TESTING
Information
Patent Grant
High resolution scintillation counters
Patent number
5,038,042
Issue date
Aug 6, 1991
Westinghouse Electric Corp.
J. Richard Hansen
G01 - MEASURING TESTING
Information
Patent Grant
Measuring nuclear fuel burnup
Patent number
4,881,247
Issue date
Nov 14, 1989
Westinghouse Electric Corp.
Richard C. Smith
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Neutron dosimeter
Patent number
4,857,259
Issue date
Aug 15, 1989
Westinghouse Electric Corp.
John Bartko
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for neutron dosimetry
Patent number
4,804,514
Issue date
Feb 14, 1989
Westinghouse Electric Corp.
John Bartko
G01 - MEASURING TESTING
Information
Patent Grant
High resolution lithography using protons or alpha particles
Patent number
4,357,417
Issue date
Nov 2, 1982
Westinghouse Electric Corp.
John Bartko
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for radiation hardening semiconductor devices and integrated...
Patent number
4,318,750
Issue date
Mar 9, 1982
Westinghouse Electric Corp.
Prosenjit Rai-Choudhury
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reducing the reverse recovery charge of thyristors by nuclear irrad...
Patent number
4,311,534
Issue date
Jan 19, 1982
Westinghouse Electric Corp.
John Bartko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making ion implanted reverse-conducting thyristor
Patent number
4,278,476
Issue date
Jul 14, 1981
Westinghouse Electric Corp.
John Bartko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Forming of contoured irradiated regions in materials such as semico...
Patent number
4,278,475
Issue date
Jul 14, 1981
Westinghouse Electric Corp.
John Bartko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reducing the switching time of semiconductor devices by neutron irr...
Patent number
4,240,844
Issue date
Dec 23, 1980
Westinghouse Electric Corp.
Patrick E. Felice
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Irradiation for rapid turn-off reverse blocking diode thyristor
Patent number
4,076,555
Issue date
Feb 28, 1978
Westinghouse Electric Corporation
Chang K. Chu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tailoring of recovery charge in power diodes and thyristors by irra...
Patent number
4,075,037
Issue date
Feb 21, 1978
Westinghouse Electric Corporation
Krishan S. Tarneja
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reducing the switching time of semiconductor devices by nuclear irr...
Patent number
4,056,408
Issue date
Nov 1, 1977
Westinghouse Electric Corporation
John Bartko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for determining uranium concentration in a mov...
Patent number
4,043,755
Issue date
Aug 23, 1977
Westinghouse Electric Corporation
John Bartko
G01 - MEASURING TESTING
Information
Patent Grant
Fine tuning power diodes with irradiation
Patent number
3,933,527
Issue date
Jan 20, 1976
Westinghouse Electric Corporation
Krishan S. Tarneja
H01 - BASIC ELECTRIC ELEMENTS