Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412610 | Electric brake caliper | David Drennen, Gary C. Fulks | 2002-07-02 |
| 6411061 | High performance brush motor driver in conjuction with low cost SR motor driver | Patrick A. Mescher | 2002-06-25 |
| 6407528 | Low cost brush motor driver in conjunction with low cost SR motor driver | Patrick A. Mescher | 2002-06-18 |
| 6371256 | Electric disc brake caliper controls | — | 2002-04-16 |
| 6262544 | Four quadrant motor operation using DC bus current sensing | Bruce Heaston | 2001-07-17 |
| 6046561 | Commutation control method for a switched reluctance machine | Andrew Zup, Michael B. Monahan | 2000-04-04 |
| 5900712 | Transistor drive circuit and control for a switched reluctance motor | Patrick A. Mescher | 1999-05-04 |
| 5748422 | Power latch circuit with overvoltage protection | Bruce Heaston | 1998-05-05 |
| 5712547 | Software controlled latched voltage regulator having wiper switch decoding | Eugene B. Porter, Michael B. Monahan | 1998-01-27 |
| 5496102 | Brake system | Michael Anthony Dimatteo, Schuyler S. Shaw, Michael B. Monahan, Jeff A. Foust, Paul D. Wilkey +1 more | 1996-03-05 |
| 5055762 | Current controlled full wave transitor bridge inverter for a multiple phase AC machine | Richard N. Lehnhoff | 1991-10-08 |
| 4987351 | Load-based control of an AC motor | Jeff A. Foust, Richard N. Lehnhoff, Donald E. Graham, Bruce Heaston | 1991-01-22 |
| 4970620 | FET bridge protection circuit | Richard N. Lehnhoff | 1990-11-13 |
| 4931707 | Impedance matching circuit | Richard N. Lehnhoff | 1990-06-05 |
| 4746813 | Switching circuit for inductive load with RFI suppression | — | 1988-05-24 |
| 4710685 | Vehicle power window control circuit with reverse battery protection | Richard N. Lehnhoff | 1987-12-01 |
| 4673851 | PWM motor operating system with RFI suppression | — | 1987-06-16 |