Inventor
John N. Park
Inventor
Rexford, NY, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches19%
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 systems15%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%
H03KPulse technique11%
G01RMeasuring electric variables6%
H02HEmergency protective circuit arrangements6%
B64GCosmonautics4%
F03HProducing a reactive propulsive thrust, not otherwise provided for4%
H02JElectric power networks4%
G05FSystems for regulating electric or magnetic variables2%
PatentTitleYear
9,076,607'System with circuitry for suppressing arc formation in micro-electromechanical system based switch'20158,659,326'Switching apparatus including gating circuitry for actuating micro-electromechanical system (MEMS) switches'20148,358,488'Micro-electromechanical system based switching'20138,144,445'Micro-electromechanical system based switching'20128,101,898'Optically gated MEMS switch'20128,054,589'Switch structure and associated circuit'20118,050,000'Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition'20117,903,382'MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus'20117,876,538'Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition'20117,643,256'Electromechanical switching circuitry in parallel with solid state switching circuitry selectively switchable to carry a load appropriate to such circuitry'20107,633,725'Micro-electromechanical system based soft switching'20097,619,325'Ring configuration for compact power supply of power electronics'20097,554,222'Micro-electromechanical system based switching'20097,542,250'Micro-electromechanical system based electric motor starter'20097,473,859'Gating voltage control system and method for electrostatically actuating a micro-electromechanical device'20097,369,377'Snubbers for low temperature power electronics'20087,332,835'Micro-electromechanical system based switching module serially stackable with other such modules to meet a voltage rating'20086,118,643'Modular surge suppression system and method'20006,031,746'Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils'20005,995,400'Uninterruptible power supply system with removable front panel display and control module'19995,867,356'Current limiting system and method'19995,663,647'Switching gradient amplifier with adjustable DC bus voltage'19975,608,771'Contactless power transfer system for a rotational load'19975,414,238'Resonant power supply for an arcjet thruster'19955,359,180'Power supply system for arcjet thrusters'19945,352,861'Resonant high-voltage pulser for arcjet thruster ignition'19945,270,657'Split gradient amplifier for an MRI system'1993RE033866'Resonant inverter employing frequency and phase modulation using optimal trajectory control'19925,063,349'Transformer-coupled gradient speed-up circuit'19914,969,076'Load compensating gain control for a series resonant inverter'19904,961,054'Gradient current speed-up circuit for high-speed NMR imaging system'19904,951,185'Resonant inverter employing frequency and phase modulation using optimal trajectory control'19904,876,635'Series resonant inverter with lossless snubber-resetting components'19894,672,528'Resonant inverter with improved control'19874,670,832'Resonant inverter having improved control at enablement'19874,540,894'Peak turn-on current limiting base drive'19854,541,041'Full load to no-load control for a voltage fed resonant inverter'19854,374,355'Electrically isolated battery charger for on-board electric vehicle applications'19834,347,464'FET Motor drive system'19824,339,671'Proportional base drive circuit'19824,329,630'Single transistor power control circuit for a DC motor washing machine drive'19824,318,165'Resonant-flyback power supply with filament winding for magnetron and the like loads'19823,940,682'Rectifier circuits using transistors as rectifying elements'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2015Patents assigned to GEN ELECTRIC (37)· patent assignee history
1976–2015Based in Rexford, NY, US· patent location history
1982Based in Schenectady, NY, US· patent location history
1999Based in Orlando, FL, US· patent location history
2000Based in Heathrow, FL, US· patent location history
2012–2015Patents assigned to PARK JOHN NORTON (4)· patent assignee history
2012–2015Patents assigned to SUBRAMANIAN KANAKASABAPATHI (4)· patent assignee history
2012–2015Patents assigned to O'BRIEN KATHLEEN ANN (3)· patent assignee history
2012–2015Patents assigned to PREMERLANI WILLIAM JAMES (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 37 | 1976–2015 |
| PARK JOHN NORTONself | 4 | 2012–2015 |
| SUBRAMANIAN KANAKASABAPATHI | 4 | 2012–2015 |
| O'BRIEN KATHLEEN ANN | 3 | 2012–2015 |
| PREMERLANI WILLIAM JAMES | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rexford, New York, US | 40 | 1976–2015 |
| Heathrow, Florida, US | 1 | 2000 |
| Orlando, Florida, US | 1 | 1999 |
| Schenectady, New York, US | 1 | 1982 |