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Eric A. Udren
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Monroeville, PA, US
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last 30 patents
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Patent Grant
High speed single-pole trip logic for use in protective relaying
Patent number
5,838,525
Issue date
Nov 17, 1998
ABB Power T&D Company, Inc.
Solveig Ward
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective relaying system comprising numerical comparator-based li...
Patent number
5,796,629
Issue date
Aug 18, 1998
ABB Power T&D Company, Inc.
Fernando Calero
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power bus fault detection and protection system
Patent number
4,862,308
Issue date
Aug 29, 1989
Electric Power Research Institute, Inc.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective relaying apparatus for providing fault-resistance correc...
Patent number
4,841,405
Issue date
Jun 20, 1989
Westinghouse Electric Corp.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Relay for pilot protection of electrical power lines
Patent number
4,528,611
Issue date
Jul 9, 1985
Westinghouse Electric Corp.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Nonlinear noise reduction apparatus with memory
Patent number
4,528,678
Issue date
Jul 9, 1985
Westinghouse Electric Corp.
Eric A. Udren
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Regenerator for an intrabundle power-line communication system
Patent number
4,475,209
Issue date
Oct 2, 1984
Westinghouse Electric Corp.
Eric A. Udren
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power-line baseband communication system
Patent number
4,471,399
Issue date
Sep 11, 1984
Westinghouse Electric Corp.
Eric A. Udren
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protective relay methods and apparatus
Patent number
4,402,028
Issue date
Aug 30, 1983
Electric Power Research Institute, Inc.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatus for protecting electrical reactors
Patent number
4,377,833
Issue date
Mar 22, 1983
Electric Power Research Institute, Inc.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Three-phase time overcurrent detector
Patent number
4,305,108
Issue date
Dec 8, 1981
Westinghouse Electric Corp.
Eric A. Udren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER