John Rosa
19Patents
12h-index
9Co-inventors
71Inventor score
Filing activity: May 8, 1975 → Aug 1, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5210685A | Uninterruptible power supply system and load transfer static switch for such a system | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4366532A | AC/DC or DC/AC Converter system with improved AC-line harmonic reduction | Electricity | 40 | Expired |
| US4255784A | Transformer-rectifier apparatus | Electricity | 38 | Expired |
| US4460861A | Control system for machine commutated inverter-synchronous motor drives | Electricity | 25 | Expired |
| US5337227A | Harmonic neutralization of static inverters by successive stagger | Electricity | 21 | Expired |
| US4220911A | Thyristor tap changer for electrical inductive apparatus | Electricity | 18 | Expired |
| US7430830B1 | Fly swatter with integral disposal means | Human Necessities | 17 | Active |
| US3991354A | Variable speed drive for induction motor | Electricity | 17 | Expired |
| US3991352A | Apparatus and method for reducing effective inductance in a dynamic braking circuit | Electricity | 17 | Expired |
| US5068774A | 24-pulse hexagon-type AC/DC static converter | Electricity | 16 | Expired |
| US4683527A | AC/DC or DC/AC converter system with outboard commutation inductors | Electricity | 15 | Expired |
| US4638138A | High frequency inverter circuit for melting and induction heating | Electricity | 13 | Expired |
| US4814964A | Variable speed a-c drive | Electricity | 12 | Expired |
| US4274135A | Gating circuit for high voltage thyristor strings | Electricity | 10 | Expired |
| US4210860A | VAR Generator with current sensitive inductance break point | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4129809A | Power factor corrected dual converter motor drive | Electricity | 7 | Expired |
| US4001670A | Static reactive power generating apparatus | Electricity | 6 | Expired |
| US4358818A | Thyristor-controlled AC/DC converter system | Electricity | 5 | Expired |
| US4174495A | Static current limiting switch with soft forced commutation | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.