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Charles E. Petras
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Pullman, WA, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatus and method for transmitting information using an IRIG-B w...
Patent number
7,899,619
Issue date
Mar 1, 2011
Schweitzer Engineering Laboratories, Inc.
Charles E. Petras
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus, method, and system for wide-area protection and control...
Patent number
7,630,863
Issue date
Dec 8, 2009
Schweitzer Engineering Laboratories, Inc.
Gregary C. Zweigle
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
SYNCHRONIZED PHASOR PROCESSOR FOR A POWER SYSTEM
Publication number
20090088990
Publication date
Apr 2, 2009
Edmund O. Schweitzer, III
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Apparatus and method for transmitting information using an IRIG-B w...
Publication number
20080097694
Publication date
Apr 24, 2008
Schweitzer Engineering Laboratories, Inc.
Charles E. Petras
G04 - HOROLOGY
Information
Patent Application
Data transfer device for use with an intelligent electronic device...
Publication number
20080091770
Publication date
Apr 17, 2008
Schweitzer Engineering Laboratories, Inc.
Charles E. Petras
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data Mapping and Sorting Method in Network Communication
Publication number
20080075019
Publication date
Mar 27, 2008
Charles E. Petras
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS, METHOD, AND SYSTEM FOR WIDE-AREA PROTECTION AND CONTROL...
Publication number
20080071482
Publication date
Mar 20, 2008
Gregary C. Zweigle
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
System and method for transmitting power system data over a wide ar...
Publication number
20060224336
Publication date
Oct 5, 2006
Charles E. Petras
H04 - ELECTRIC COMMUNICATION TECHNIQUE