Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934478 | Contact sensing apparatus and method | John E. Wible | 1990-06-19 |
| 4849731 | Scanning obstacle detection apparatus | — | 1989-07-18 |
| 4804893 | Electric braking control | — | 1989-02-14 |
| 4722410 | Obstacle detection apparatus | Joseph J. Harding | 1988-02-02 |
| 4680512 | Fault protection apparatus for traction motor circuit | — | 1987-07-14 |
| 4659970 | Vehicle docking apparatus and method | — | 1987-04-21 |
| 4584472 | Linear position encoder | Wayne T. Wiblin, Ronald D. Surma | 1986-04-22 |
| 4567757 | Apparatus and method for testing vehicle brakes | John E. Wible | 1986-02-04 |
| 4567467 | Angular rotary position encoder | Wayne T. Wiblin, Edward V. Leskovec, William Pickering | 1986-01-28 |
| 4564085 | Controlling arrangement | John E. Wible | 1986-01-14 |
| 4555651 | Motor speed control apparatus | William Pickering | 1985-11-26 |
| 4529919 | Plugging and plugging override control apparatus | William Pickering | 1985-07-16 |
| 4521885 | Diagnostic display apparatus | William Pickering | 1985-06-04 |
| 4518902 | Plugging electrical braking control circuit | William Pickering | 1985-05-21 |
| 4514665 | Current limit control circuit | William Pickering | 1985-04-30 |
| 4511947 | Coil and coil driver control apparatus | William Pickering | 1985-04-16 |
| 4508999 | Short circuit protection apparatus | William Pickering | 1985-04-02 |
| 4496896 | Vehicle battery charging apparatus | John E. Wible | 1985-01-29 |
| 4472663 | Failure protection circuit for a two-motor lift truck | — | 1984-09-18 |
| 4471273 | Dual-motor control apparatus | William Pickering | 1984-09-11 |
| 4445090 | Voltage level monitoring and indicating apparatus | Steven E. Blight | 1984-04-24 |
| 4364022 | Magnetic control pedal apparatus | Wayne T. Wiblin | 1982-12-14 |
| 4361788 | Dual-motor drive circuit with high current switching | — | 1982-11-30 |
| 4334176 | Method of and means for controlling electrical devices | Kenneth A. Baumgartner, Keith A. Stoller | 1982-06-08 |
| 4206829 | Control system for lift trucks or the like | — | 1980-06-10 |