PH

Peter Willard Hammond

RO Robicon: 15 patents #1 of 5Top 20%
SI Siemens Industry: 10 patents #24 of 836Top 3%
SA Siemens Aktiengesellschaft: 5 patents #2,766 of 22,248Top 15%
SA Siemens Energy & Automation: 3 patents #86 of 424Top 25%
SI S & K Products International: 1 patents #3 of 9Top 35%
📍 Greensburg, PA: #5 of 371 inventorsTop 2%
🗺 Pennsylvania: #1,261 of 74,527 inventorsTop 2%
Overall (All Time): #90,356 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6236580 Modular multi-level adjustable supply with series connected active inputs Marc F. Aiello, Mukul Rastogi 2001-05-22
6222284 Multiphase power supply with series connected power cells with failed cell bypass Marc F. Aiello 2001-04-24
6166513 Four-quadrant AC-AC drive and method 2000-12-26
6087738 Variable output three-phase transformer 2000-07-11
6014323 Multiphase power converter Marc F. Aiello, Joseph M. Matesa 2000-01-11
5986909 Multiphase power supply with plural series connected cells and failed cell bypass Marc F. Aiello 1999-11-16
5905642 Apparatus and method to reduce common mode voltage from current source drives 1999-05-18
5638263 Low and medium voltage PWM AC/DC power conversion method and apparatus Kenneth E. Opal, Harry Abrams 1997-06-10
5625545 Medium voltage PWM drive and method 1997-04-29
5619407 Autotransformer 1997-04-08
5241152 Circuit for detecting and diverting an electrical arc in a glow discharge apparatus Glen L. Anderson, David S. Yotive 1993-08-31
5038808 High frequency ultrasonic system Kevin Schumacher 1991-08-13