John D. D'Atre
27Patents
14h-index
31Co-inventors
81Inventor score
Filing activity: Aug 19, 1975 → May 27, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4088934A | Means for stabilizing an a-c electric motor drive system | Emerging Cross-Sectional Technologies | 105 | Expired |
| US7423412B2 | Method, apparatus and computer program product for injecting current | Emerging Cross-Sectional Technologies | 67 | Active |
| US4475150A | Coordinated load commutated inverter protection system | Electricity | 51 | Expired |
| US4761600A | Dynamic brake control | Electricity | 50 | Expired |
| US7239036B2 | System and method for power control in wind turbines | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7629705B2 | Method and apparatus for operating electrical machines | Emerging Cross-Sectional Technologies | 47 | Active |
| US4088935A | Stabilizing scheme for an a-c electric motor drive system | Electricity | 35 | Expired |
| US4044285A | Method and apparatus for controlling variable speed, controlled current induction motor drive systems | Electricity | 30 | Expired |
| US4243927A | Gain normalization technique for controlled current induction motor system | Electricity | 28 | Expired |
| US4215304A | Motor/brake transitioning for an inverter driven a-c induction motor | Electricity | 23 | Expired |
| US4298831A | Method and apparatus for operating a plurality of parallel coupled, arbitrarily loaded induction machines from a single controlled current inverter | Electricity | 16 | Expired |
| US4215305A | Excitation commanding for current fed motor drives | Electricity | 14 | Expired |
| US7456695B2 | Apparatus, method and computer program product for tracking information in an electric grid | Electricity | 14 | Active |
| US4431957A | Method and apparatus for generating signals representing motor flux in an AC motor | Electricity | 14 | Expired |
| US8736207B2 | Method and system for power conversion | Electricity | 14 | Active |
| US4698577A | Method of digital flux reconstruction with DC elimination | Electricity | 13 | Expired |
| US4633241A | Method of automated in-place SCR testing | Electricity | 12 | Expired |
| US4473790A | Control circuit for suppression of line resonances in current feedback pulse width modulation control systems with a minimum d-c filter | Electricity | 9 | Expired |
| US4420719A | Cross-tied current regulator for load commutated inverter drives | Electricity | 7 | Expired |
| US4044284A | Alternating current motor control method and system | Electricity | 7 | Expired |
| US7633775B2 | Power conversion system and method | Electricity | 6 | Expired |
| US4764713A | Method for starting a variable voltage inverter with a pre-spinning load motor | Electricity | 6 | Expired |
| US7940131B2 | Apparatus, method and computer program product for tracking information in an electric grid | Electricity | 3 | Active |
| US4507723A | Method for adaptive control in a power converter operating in a discontinuous current mode | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7528505B2 | Systems and methods for balancing of DC link in three level PWM power conversion equipment | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.