Inventor
Thomas P. Loftus, Jr.
Inventor
Garland, TX, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems58%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications33%
H02JElectric power networks8%
PatentTitleYear
5,872,705'Low loss synchronous rectifier for application to clamped-mode power converters'19995,353,212'Zero-voltage switching power converter with ripple current cancellation'19945,327,333'Push push DC-DC reduced/zero voltage switching converter with off-set tapped secondary winding'19945,305,191'Drive circuit for zero-voltage switching power converter with controlled power switch turn-on'19945,274,543'Zero-voltage switching power converter with lossless synchronous rectifier gate drive'19935,268,830'Drive circuit for power switches of a zero-voltage switching power converter'19935,036,452'Current sharing control with limited output voltage range for paralleled power converters'19914,760,512'Circuit for reducing transistor stress and resetting the transformer core of a power converter'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
1988Based in Newark, NJ, US· patent location history
1991–1994Patents assigned to AT & T BELL LAB (6)· patent assignee history
1991–1994Based in Garland, TX, US· patent location history
1993–1999Based in Mesquite, TX, US· patent location history
1999Patents assigned to LUCENT TECHNOLOGIES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T BELL LAB | 6 | 1991–1994 |
| AMERICAN TELEPHONE & TELEGRAPH | 1 | 1988 |
| LUCENT TECHNOLOGIES INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Garland, Texas, US | 4 | 1991–1994 |
| Mesquite, Texas, US | 3 | 1993–1999 |
| Newark, New Jersey, US | 1 | 1988 |