Inventor
William S. Heglund
Inventor
Davis Junction, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters38%
H02JElectric power networks13%
B60LPropulsion of electrically-propelled vehicles6%
F02CGas-turbine plants6%
F16HGearing6%
F41HArmour6%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
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 systems6%
H04KSecret communication6%
Y02TClimate change mitigation technologies related to transportation6%
PatentTitleYear
10,931,129Hybrid energy storage module voltage regulation202110,630,420Hybrid energy storage modules for directed energy systems20209,121,476'Control of shifting transmission for constant and variable frequency systems'20156,359,412'Commutation apparatus and method for a four state sensorless switched reluctance machine system utilizing machine winding current sensing'20026,011,377'Switched reluctance starter/generator system and method of controlling same'20005,936,386'Method of linearizing the performance of switched reluctance generators'19995,850,133'Output overload and fault tolerant commutation method for a switched reluctance generator and an electric power generating system employing same'19985,541,488'Method and apparatus for controlling induction motors'19965,493,195'Switched reluctance starter/generator control system allowing operation with regenerative loads and electrical system employing same'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1999Patents assigned to SUNDSTRAND CORP (4)· patent assignee history
1996–2002Based in Davis Junction, IL, US· patent location history
2000–2021Patents assigned to HAMILTON SUNDSTRAND CORP (5)· patent assignee history
2015Based in Byron, IL, US· patent location history
2020–2021Patents assigned to HAMILTON SUNSTRAND CORP (2)· patent assignee history
2020–2021Based in Rockford, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAMILTON SUNDSTRAND CORP | 5 | 2000–2021 |
| SUNDSTRAND CORP | 4 | 1996–1999 |
| HAMILTON SUNSTRAND CORP | 2 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Davis Junction, Illinois, US | 6 | 1996–2002 |
| Rockford, Illinois, US | 2 | 2020–2021 |
| Byron, Illinois, US | 1 | 2015 |