Inventor
Roger Alan Plemmons
Inventor
Asheville, NC, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Hprimary
H02HEmergency protective circuit arrangements44%
H01HElectric switches25%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
G01RMeasuring electric variables6%
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%
H05KPrinted circuits6%
PatentTitleYear
9,234,914'Apparatus to verify an electrically safe work condition'20169,013,123'Self protected dynamic braking'20157,463,462'Nuisance trip reducing motor control system and method'20087,394,629'Motor overload tripping system and method with multi-function circuit interrupter'20087,031,156'Reduced package volume convectively cooled sealed electrical system and method'20067,019,951'Extended trip range motor control system and method'20066,995,964'Combination-type motor control with extended current range'20066,687,100'Method of dissipating energy from a contactor coil'20046,606,233'Method and apparatus for immunizing a contactor circuit from the adverse effects of a derived power supply'20036,556,413'Method of providing electrical current to a contactor circuit'20035,774,319'Energy validation arrangement for a self-powered circuit interrupter'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2004Patents assigned to SQUARE D CO (4)· patent assignee history
1998Based in Raleigh, NC, US· patent location history
2003–2004Based in Knightdale, NC, US· patent location history
2006–2016Patents assigned to ROCKWELL AUTOMATION TECH INC (7)· patent assignee history
2006–2016Based in Asheville, NC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKWELL AUTOMATION TECH INC | 7 | 2006–2016 |
| SQUARE D CO | 4 | 1998–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Asheville, NC, US | 7 | 2006–2016 |
| Knightdale, NC, US | 3 | 2003–2004 |
| Raleigh, NC, US | 1 | 1998 |