Inventor · Wake Forest, NC, US

Frederick Tassitino

13Patents
10h-index
13Co-inventors
65Inventor score

Filing activity: Jan 27, 1995 → Jun 10, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5745356A Independent load sharing of AC power systems connected in parallel Electricity 118 Expired
US7638899B2 Nested redundant uninterruptible power supply apparatus and methods Electricity 56 Active
US7405494B2 AC power supply apparatus, methods and computer program products using PWM synchronization Electricity 55 Expired
US6629247B1 Methods, systems, and computer program products for communications in uninterruptible power supply systems using controller area networks Electricity 41 Expired
US6201720A Apparatus and methods for space-vector domain control in uninterruptible power supplies Electricity 31 Expired
US5745355A Wireless selective tripping of AC power systems connected in parallel Electricity 29 Expired
US7400066B2 Apparatus and methods for UPS bypass monitoring and control Electricity 16 Expired
US7948778B2 Self-testing power supply apparatus, methods and computer program products Emerging Cross-Sectional Technologies 15 Active
US5633539A Uninterruptible power supply input power walk-in Emerging Cross-Sectional Technologies 13 Expired
US6549440B2 AC power supply apparatus and methods providing output control based on estimated instantaneous reactive power Electricity 10 Expired
US8232679B2 Uninterruptible power supplies with converter operation conditioned upon static switch commutation and methods of operation thereof Electricity 7 Active
US7247955B2 PWM power supplies using controlled feedback timing and methods of operating same Electricity 5 Expired
US7502237B2 Power waveform harmonic analysis using summed samples Physics 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.