Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380487 | Circuit board protection system and method | Robert K. Hollenbeck | 2002-04-30 |
| 5982122 | Capacitively powered motor and constant speed control therefor | Robert K. Hollenbeck, David M. Erdman | 1999-11-09 |
| 5847524 | Constant speed control for a motor | David M. Erdman, Robert K. Hollenbeck | 1998-12-08 |
| 5777844 | Electronic control with heat sink | — | 1998-07-07 |
| 5491978 | Electronically commutated motor for driving a compressor | Glen C. Young | 1996-02-20 |
| 5423192 | Electronically commutated motor for driving a compressor | Glen C. Young | 1995-06-13 |
| 5017846 | Stall protection circuit for an electronically commutated motor | Glen C. Young | 1991-05-21 |