Inventor
Derek A. Paice
Inventor
Palm Harbor, FL, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems27%
H01FMagnets21%
H02HEmergency protective circuit arrangements15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
G01RMeasuring electric variables4%
H01HElectric switches4%
H02JElectric power networks4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
G01KMeasuring temperature2%
PatentTitleYear
7,750,782'Nine-phase autotransformer'20107,719,858'Fifteen-phase autotransformer'20107,274,280'Nine-phase step-up/step-down autotransformer'20077,233,506'Low kVA/kW transformers for AC to DC multipulse converters'20076,982,884'Autotransformers to parallel AC to DC converters'20066,525,951'Simplified wye connected 3-phase to 9-phase auto-transformer'20036,191,968'Wye connected 3-phase to 9-phase auto-transformer with reduced winding currents'20016,101,113'Transformers for multipulse AC/DC converters'20005,781,428'Transformer for 12-pulse series connection of converters'19985,455,759'Symmetrical, phase-shifting, fork transformer'19955,148,357'Auto-connected hexagon transformer for a 12-pulse converter'19925,124,904'Optimized 18-pulse type AC/DC, or DC/AC, converter system'19924,876,634'Multi-pulse converter system'19894,719,398'Coasting AC motor restart system and method'19884,698,739'12-Pulse motor drive'19874,674,024'High voltage modular inverter and control system thereof'19874,634,981'Method for testing a circuit breaker using a three terminal current transformer'19874,618,906'Hybrid solid state/mechanical switch with failure protection'19864,463,400'DC Static switch with phase commutation'19844,438,474'Current limiter and VAR generator utilizing a superconducting coil'19844,406,991'High power resonance filters'19834,296,450'Discriminating circuit breaker protection system direct current power distribution systems'19814,220,896'High frequency lighting inverter with constant power ballast'19804,209,739'Portable calibrator for d.c. circuit breakers'19804,165,527'Current limiting circuit arrangement'19794,083,001'Measurement of motor winding temperature'19784,011,484'Undervoltage release with electrical reset for circuit breaker'19773,946,279'Active impedance multiplier'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to US INTERIOR (5)· patent assignee history
1976–1987Based in Murrysville, PA, US· patent location history
1978–1992Patents assigned to WESTINGHOUSE ELECTRIC CORP (12)· patent assignee history
1979Patents assigned to ELECTRIC POWER RES INST (1)· patent assignee history
1980Based in Pittsburgh, PA, US· patent location history
1987–2010Based in Palm Harbor, FL, US· patent location history
2006–2010Patents assigned to PAICE DEREK ALBERT (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 12 | 1978–1992 |
| PAICE DEREK ALBERTself | 5 | 2006–2010 |
| US INTERIOR | 5 | 1976–1981 |
| ELECTRIC POWER RES INST | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palm Harbor, Florida, US | 16 | 1987–2010 |
| Murrysville, Pennsylvania, US | 11 | 1976–1987 |
| Pittsburgh, Pennsylvania, US | 1 | 1980 |