Inventor
John M. Kern
Inventor
Rexford, NY, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines17%
F02CGas-turbine plants9%
F16HGearing9%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%
G01RMeasuring electric variables7%
F16GBelts, cables, or ropes, predominantly used for driving purposes6%
Y02TClimate change mitigation technologies related to transportation6%
A46BBrushes4%
B05CApparatus for applying fluent materials to surfaces, in general4%
PatentTitleYear
10,473,697Current transducer with offset cancellation201910,183,310Roller system20199,308,549'Paint brush and roller system'20168,595,883'Paint brush with perpendicular handle and interchangeable brush heads'20138,359,124'Energy optimization system'20138,198,744'Integrated boost cavity ring generator for turbofan and turboshaft engines'20128,063,527'Gas turbine engine assembly including dual sided/dual shaft electrical machine'20117,880,355'Electromagnetic variable transmission'20117,791,235'Variable magnetic coupling of rotating machinery'20107,788,898'Variable coupling of turbofan engine spools via open differential gear set or simple planetary gear set for improved power extraction and engine operability, with torque coupling for added flexibility'20107,750,521'Double-sided starter/generator for aircrafts'20107,652,404'Synchronous reluctance machine'20107,622,817'High-speed high-pole count generators'20097,605,483'Integrated electrical power extraction for aircraft engines'20097,605,503'Fault-tolerant permanent magnet machine with reconfigurable stator core slot opening and back iron flux paths'20097,605,504'Fault-tolerant permanent magnet machine with reconfigurable stator core slot flux paths'20097,541,705'Fault-tolerant permanent magnet machine with reconfigurable flux paths in stator back iron'20097,514,810'Electric power generation using power turbine aft of LPT'20097,468,561'Integrated electrical power extraction for aircraft engines'20087,396,004'Clamp bar extension'20087,394,982'Current sensing system'20086,774,614'Method and apparatus for detecting current'20046,157,552'Sub-harmonic detection and control system'20004,947,700'Continuously variable transmission system and long travel torsion damper therefor'19904,622,025'Chain-belt'19864,464,152'Metal power transmission belt'19844,395,248'Multi-speed transmission'19834,313,730'Metal chain belt'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to BORG WARNER (4)· patent assignee history
1983–1990Based in Ithaca, NY, US· patent location history
2000–2019Patents assigned to GEN ELECTRIC (19)· patent assignee history
2000–2004Based in Gansevoort, NY, US· patent location history
2008–2019Patents assigned to KERN JOHN M (4)· patent assignee history
2008–2013Based in Rexford, NY, US· patent location history
2008–2013Based in Fremont, OH, US· patent location history
2011–2012Patents assigned to QU RONGHAI (2)· patent assignee history
2013–2016Patents assigned to KERN JOHN (2)· patent assignee history
2016–2019Based in Helena, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 19 | 2000–2019 |
| BORG WARNER | 4 | 1982–1986 |
| KERN JOHN Mself | 4 | 2008–2019 |
| KERN JOHNself | 2 | 2013–2016 |
| QU RONGHAI | 2 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rexford, New York, US | 16 | 2008–2013 |
| Ithaca, New York, US | 4 | 1983–1990 |
| Helena, OH, US | 2 | 2016–2019 |
| Fremont, OH, US | 2 | 2008–2013 |
| Gansevoort, New York, US | 2 | 2000–2004 |