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Raymond W. Mackenzie
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Baldwin, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Plug-in multifunction tester for AC electrical distribution system
Patent number
6,072,317
Issue date
Jun 6, 2000
Eaton Corporation
Raymond Warren Mackenzie
G01 - MEASURING TESTING
Information
Patent Grant
Circuit breaker responsive to repeated in-rush currents produced by...
Patent number
6,057,997
Issue date
May 2, 2000
Eaton Corporation
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Test circuit for verifying operation of an arc fault detector
Patent number
5,969,920
Issue date
Oct 19, 1999
Eaton Corporation
Raymond Warren Mackenzie
G01 - MEASURING TESTING
Information
Patent Grant
Ground fault electrical switching apparatus for coordinating trippi...
Patent number
5,969,921
Issue date
Oct 19, 1999
Eaton Corporation
John A. Wafer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low cost apparatus for detecting arcing faults and circuit breaker...
Patent number
5,963,405
Issue date
Oct 5, 1999
Eaton Corporation
Joseph C. Engel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit breaker responsive to repeated in-rush currents produced by...
Patent number
5,940,256
Issue date
Aug 17, 1999
Eaton Corporation
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for envelope detection of low current arcs
Patent number
5,818,237
Issue date
Oct 6, 1998
Eaton Corporation
Joseph C. Zuercher
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Arc fault detector with limiting of sensed signal to shape response...
Patent number
5,815,352
Issue date
Sep 29, 1998
Eaton Corporation
Raymond Warren Mackenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Arcing fault detector with multiple channel sensing and circuit bre...
Patent number
5,805,397
Issue date
Sep 8, 1998
Eaton Corporation
Raymond Warren MacKenzie
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting and responding to series arcs in AC electri...
Patent number
5,726,577
Issue date
Mar 10, 1998
Eaton Corporation
Joseph C. Engel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low cost apparatus for detecting arcing faults and circuit breaker...
Patent number
5,691,869
Issue date
Nov 25, 1997
Eaton Corporation
Joseph C. Engel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor starter with dual-slope integrator
Patent number
5,579,194
Issue date
Nov 26, 1996
Eaton Corporation
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit interrupter with cause for trip indication
Patent number
5,546,266
Issue date
Aug 13, 1996
Eaton Corporation
Raymond W. Mackenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit breaker using bimetal of thermal-magnetic trip to sense cur...
Patent number
5,519,561
Issue date
May 21, 1996
Eaton Corporation
Stephen A. Mrenna
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Common alarm system for a plurality of circuit interrupters
Patent number
5,493,278
Issue date
Feb 20, 1996
Eaton Corporation
Raymond W. Mackenzie
G08 - SIGNALLING
Information
Patent Grant
Self testing circuit breaker ground fault and sputtering arc trip unit
Patent number
5,459,630
Issue date
Oct 17, 1995
Eaton Corporation
Raymond W. MacKenzie
G01 - MEASURING TESTING
Information
Patent Grant
Ground fault circuit interrupter with immunity to wide band noise
Patent number
5,420,740
Issue date
May 30, 1995
Eaton Corporation
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit breaker with protection against sputtering arc faults
Patent number
5,307,230
Issue date
Apr 26, 1994
Westinghouse Electric Corp.
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electronic circuit breaker with protection against sputtering arc f...
Patent number
5,224,006
Issue date
Jun 29, 1993
Westinghouse Electric Corp.
Raymond W. MacKenzie
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Limiter circuit with means to eliminate offset and an optional sele...
Patent number
5,166,632
Issue date
Nov 24, 1992
Westinghouse Electric Corp.
Raymond W. MacKenzie
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic circuit for measuring electrical energy
Patent number
4,663,587
Issue date
May 5, 1987
Westinghouse Electric Corp.
Raymond W. Mackenzie
G01 - MEASURING TESTING
Information
Patent Grant
Electronic circuit for measuring AC electrical energy
Patent number
4,596,951
Issue date
Jun 24, 1986
Westinghouse Electric Corp.
Theodore M. Heinrich
G01 - MEASURING TESTING
Information
Patent Grant
Pulse width modulator for electronic watthour metering
Patent number
4,591,810
Issue date
May 27, 1986
Westinghouse Electric Corp.
Raymond W. Mackenzie
G05 - CONTROLLING REGULATING
Information
Patent Grant
Rotor overtemperature protection for electric motors
Patent number
4,114,077
Issue date
Sep 12, 1978
Westinghouse Electric Corp.
Robert M. Oates
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Frequency controlled induction cooking apparatus
Patent number
4,085,300
Issue date
Apr 18, 1978
White-Westinghouse Corporation, Inc.
Raymond W. MacKenzie
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR