HW

Helmut Weiher

UR Utility Relay: 9 patents #1 of 6Top 20%
📍 Burton, OH: #8 of 47 inventorsTop 20%
🗺 Ohio: #8,998 of 73,341 inventorsTop 15%
Overall (All Time): #553,393 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11749974 Integral auto-racking device for low voltage draw-out circuit breakers Ryan J. McClarnon, Joseph B. Teffner, Jr. 2023-09-05
10191102 Automatic current transformer polarity correction 2019-01-29
8995103 Circuit breaker trip unit with digital potentiometer 2015-03-31
8837103 Circuit breaker trip unit with digital potentiometer 2014-09-16
8797720 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units Sean McGuinness 2014-08-05
8552728 Sluggish circuit breaker detection system and method 2013-10-08
7889474 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units Richard C. Fleischer, Jeffrey W. Patterson 2011-02-15
7646575 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units Richard C. Fleischer, Jeffrey W. Patterson 2010-01-12
7570471 Circuit breaker trip unit with zone selective interlock and system monitoring Jeffrey W. Patterson, Richard C. Fleischer 2009-08-04