Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817070 | Method and apparatus for sampling and converting a signal | — | 2010-10-19 |
| 7432836 | Multiplexed signal conditioner | — | 2008-10-07 |
| 7362070 | Electric motor control system including position determination and error correction | Howard Simmons | 2008-04-22 |
| 6891346 | Commutation and velocity control system for a brushless DC motor | Howard Simmons | 2005-05-10 |
| 6341238 | Robust engine variable vane monitor logic | Douglas P. Modeen, Norman J. Faust | 2002-01-22 |
| 5451141 | Propeller pitch change machanism with inductive brake and motor | Paul A. Carvalho, Richard L. Bonnanzio | 1995-09-19 |
| 5303142 | Control system for gas turbine helicopter engines and the like | Douglas A. Parsons, Mark A. Johnston, Gerald L. DePardo | 1994-04-12 |
| 5189620 | Control system for gas turbine helicopter engines and the like | Douglas A. Parsons, Mark A. Johnston, Gerald L. DePardo | 1993-02-23 |
| 4638430 | EAROM and EEPROM data storage management | Raymond C. Perra, Stephen Wilmot | 1987-01-20 |
| 4342379 | Time controlled elevator door motion | Michael W. Hmelovsky | 1982-08-03 |
| 4305481 | Elevator door motion modification | Michael W. Hmelovsky | 1981-12-15 |
| 4300663 | Elevator door motion mode control | Michael W. Hmelovsky | 1981-11-17 |
| 4253153 | Energy conservative control of terminal reheat heating, ventilating, and air conditioning (HVAC) systems | William W. Bitterli, David M. Healey | 1981-02-24 |
| 4215408 | Temperature control of unoccupied living spaces | William W. Bitterli | 1980-07-29 |
| 4212078 | Computer controlled facility management system (FMS) | Richard E. Rosien, William W. Bitterli | 1980-07-08 |
| 4205381 | Energy conservative control of heating, ventilating, and air conditioning (HVAC) systems | William W. Bitterli, David M. Healey | 1980-05-27 |
| 4187543 | Temperature control of chill water and steam in heating, ventilation, air conditioning (HVAC) systems | David M. Healey | 1980-02-05 |