HP

Hans-Erik Pfitzer

EA Eaton: 4 patents #699 of 3,708Top 20%
TI Thomas & Betts International: 4 patents #64 of 424Top 20%
EQ Eaton Power Quality: 2 patents #6 of 31Top 20%
AA Abb Schweiz Ag: 1 patents #1,465 of 3,274Top 45%
📍 Wake Forest, NC: #73 of 596 inventorsTop 15%
🗺 North Carolina: #4,713 of 45,564 inventorsTop 15%
Overall (All Time): #453,647 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11050250 Static transfer switch system with real time flux control Adil Oudrhiri 2021-06-29
9705310 Adaptive fault clearing based on power transistor temperature Justin Walraven 2017-07-11
9190871 Distributed energy system disconnect switch with mechanical isolation 2015-11-17
8929042 Surge protective device with contoller Martin William Guy 2015-01-06
8716885 Disconnect switch for distributed energy system Adil Oudrhiri 2014-05-06
7948778 Self-testing power supply apparatus, methods and computer program products Rune Lennart Jonsson, John G. Tracy, Miguel Chavez, Frederick Tassitino, Jason Scott Anderson 2011-05-24
7800924 Power converter apparatus and methods using neutral coupling circuits with interleaved operation George W. Oughton, Jr. 2010-09-21
7561451 Power converter apparatus and methods using a phase reference derived from a DC bus voltage John G. Tracy, Keith Bauman 2009-07-14
7405494 AC power supply apparatus, methods and computer program products using PWM synchronization Frederick Tassitino, Jason Scott Anderson, Michael Westerfield 2008-07-29
7247955 PWM power supplies using controlled feedback timing and methods of operating same John G. Tracy, Frederick Tassitino, Rennie Bobb, Julius Isaiah Rice 2007-07-24
7088601 Power conversion apparatus and methods using DC bus shifting John G. Tracy 2006-08-08