Inventor
Keith Douglas Ness
Inventor
Winona, MN, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC13primary
LOC1314%
G01RMeasuring electric variables8%
H01HElectric switches8%
H01RElectrically-conductive connections8%
H05BElectric heating8%
H05KPrinted circuits8%
F24DDomestic- or space-heating systems, e.g. central heating systems6%
H01LSemiconductor devices6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
PatentTitleYear
11,038,431Isolated power converter for a thermal system202110,908,196System and method for controlling power to a heater202110,908,195System and method for controlling power to a heater202110,690,705Power converter for a thermal system20208,422,178'Hybrid power relay using communications link'20138,311,766'System and method of measuring temperature in a power controller'20127,961,443'Hybrid power relay using communications link'20117,898,819'Compact modular card system and communications protocols for a power controller'2011D0630580'Power controller housing'20117,826,232'Modular connection system for panel-mounted controllers'20107,652,395'Integrally coupled power control system having a solid state relay'20107,636,615'Power control system'2009D0605143'Power controller backplane module assembly'2009D0605144'Power controller backplane module'2009D0605119'Power controller cover'2009D0601103'Power controller housing'20097,561,430'Heat management system for a power switching device'20097,385,791'Apparatus and method for relay contact arc suppression'2008D0531138'Power controller heat sink'2006D0529874'Power controller heat sink'20065,790,354'Hybrid power switching device'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2021Patents assigned to WATLOW ELECTRIC MFG (21)· patent assignee history
1998–2020Based in Winona, MN, US· patent location history
2012Patents assigned to NESS KEITH D (1)· patent assignee history
2013Patents assigned to BREITLOW STANTON HOPKINS (1)· patent assignee history
2013Patents assigned to LEMKE JOHN FREDERIC (1)· patent assignee history
2013Patents assigned to NESS KEITH DOUGLAS (1)· patent assignee history
2021Based in St. Louis, MO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WATLOW ELECTRIC MFG | 21 | 1998–2021 |
| BREITLOW STANTON HOPKINS | 1 | 2013 |
| LEMKE JOHN FREDERIC | 1 | 2013 |
| NESS KEITH Dself | 1 | 2012 |
| NESS KEITH DOUGLASself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Winona, Minnesota, US | 18 | 1998–2020 |
| St. Louis, MO, US | 3 | 2021 |