Inventor
William F. Wirth
Inventor
Sullivan, WI, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables21%
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 systems21%
H05GX-ray technique17%
H03FAmplifiers13%
H02HEmergency protective circuit arrangements8%
H03KPulse technique8%
H01JElectric discharge tubes or discharge lamps4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
PatentTitleYear
8,374,011'Method and apparatus for boosting DC bus voltage'20137,116,166'High fidelity, high power switched amplifier'20066,178,099'Optimal phase-shifted control for a series resonant converter'20016,166,602'High-efficiency switching power amplifier'20006,031,746'Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils'20005,663,647'Switching gradient amplifier with adjustable DC bus voltage'19975,451,878'Non-resonant gradient field accelerator'19955,339,348'X-ray tube rotor controller using the main high voltage inverters for acceleration'19945,270,657'Split gradient amplifier for an MRI system'19935,265,146'X-ray tube rotor controller using the main high voltage inverters for acceleration and speed maintenance'19935,159,697'X-ray tube transient noise suppression system'1992RE034107'Power transistor drive circuit with improved short circuit protection'19925,132,999'Inductive X-ray tube high voltage transient suppression'19924,954,917'Power transistor drive circuit with improved short circuit protection'19904,375,612'Controlled regenerative d-c power supply'19834,331,994'Shootthrough fault protection system for a voltage source transistor inverter'19824,310,866'Shootthrough fault protection system for bipolar transistors in a voltage source transistor inverter'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1983Patents assigned to BORG WARNER (3)· patent assignee history
1982Based in Ithaca, NY, US· patent location history
1983Based in Slidell, LA, US· patent location history
1990–2006Patents assigned to GEN ELECTRIC (12)· patent assignee history
1990–1995Based in Sullivan, WI, US· patent location history
1997–2013Based in Johnson Creek, WI, US· patent location history
2013Patents assigned to MAGNETEK INC (1)· patent assignee history
2013Patents assigned to WIRTH WILLIAM F (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 12 | 1990–2006 |
| BORG WARNER | 3 | 1982–1983 |
| MAGNETEK INC | 1 | 2013 |
| WIRTH WILLIAM Fself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sullivan, WI, US | 8 | 1990–1995 |
| Johnson Creek, WI, US | 6 | 1997–2013 |
| Ithaca, New York, US | 2 | 1982 |
| Slidell, LA, US | 1 | 1983 |