Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411065 | Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride through for micropower generation systems | Thomas Charles Underwood, William B. Hall | 2002-06-25 |
| 6380719 | Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems | Thomas Charles Underwood, William B. Hall | 2002-04-30 |
| 6316918 | Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems | Thomas Charles Underwood, William B. Hall | 2001-11-13 |
| 6128204 | Line power unit for micropower generation | James L. Munro, Thomas Charles Underwood, William B. Hall, Edward T. Wagner | 2000-10-03 |
| 6118238 | Motor starting apparatus for an engine driven generator | James L. Munro | 2000-09-12 |
| 6072302 | Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems | Thomas Charles Underwood, William B. Hall | 2000-06-06 |
| 6055163 | Communications processor remote host and multiple unit control devices and methods for micropower generation systems | Edward T. Wagner, Thomas Charles Underwood, William B. Hall | 2000-04-25 |
| 5193111 | Automated data transmission system | Robert G. Colclaser, III, Gary O. Hitchins | 1993-03-09 |
| 4698670 | Cable stereo apparatus | — | 1987-10-06 |
| 4620143 | Digital pulse width modulation motor control system | — | 1986-10-28 |
| 4458185 | Propulsion control apparatus for passenger vehicles | Dennis Whalen, William E. Schmitz, Pamela E. DeTine | 1984-07-03 |
| 4410154 | Transit vehicle brake control apparatus and method | — | 1983-10-18 |
| 4410947 | Vehicle propulsion control apparatus and method | John Strong | 1983-10-18 |
| 4387870 | Transit vehicle shunt determination | James H. Franz, Jr., Carol D. Parham | 1983-06-14 |
| 4333150 | Signal receiving apparatus and method | Aaron C. James | 1982-06-01 |
| 4284930 | Motor control apparatus and method | — | 1981-08-18 |
| 4282466 | Transit vehicle motor effort control apparatus and method | — | 1981-08-04 |
| 4278900 | Fail-safe pulse providing apparatus | Jayant K. Kapadia | 1981-07-14 |
| 4257092 | Traction motor current control apparatus | Frank J. Prines, James H. Franz, Jr. | 1981-03-17 |
| 4247790 | Failsafe train vehicle control signal threshold detector apparatus | Arun P. Sahasrabudhe | 1981-01-27 |
| 4235402 | Train vehicle speed control apparatus | Howard N. Miller | 1980-11-25 |
| RE30394 | Signal bandpass filter apparatus | Arun P. Sahasrabudhe | 1980-09-02 |
| 4216417 | Transit vehicle motor operation control apparatus and method | Larry W. Anderson, James H. Franz, Jr. | 1980-08-05 |