Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132084 | Infrared non-contact temperature measurement for household appliances | Walter Whipple, III, Piero Patrone Bonissone, Mark E. Dausch, Vivek Venugopal Badami | 2000-10-17 |
| 5389876 | Flexible eddy current surface measurement array for detecting near surface flaws in a conductive part | Kristina Helena Valborg Hedengren, Richard O. McCary, Richard J. Charles, William P. Kornrumpf, John D. Young | 1995-02-14 |
| 5235159 | Control system, method of operating a heating apparatus and controlled heating apparatus | William P. Kornrumpf, John D. Harnden, Jr. | 1993-08-10 |
| 5091817 | Autonomous active clamp circuit | Kevin C. Routh | 1992-02-25 |
| 5057962 | Microprocessor-based protective relay system | William Hull Bicknell | 1991-10-15 |
| 4823075 | Current sensor using hall-effect device with feedback | — | 1989-04-18 |
| 4806844 | Circuit for providing on-chip DC power supply in an integrated circuit | Glenn Scott Claydon, William J. Laughton | 1989-02-21 |
| 4764714 | Electronic starting circuit for an alternating current motor | William P. Kornrumpf, John D. Harnden, Jr. | 1988-08-16 |
| 4764744 | Overload relay having adjustably gapped current transformers | Fred G. Turnbull | 1988-08-16 |
| 4734650 | Adjusting feedback gain in a fluorescent lamp dimming control | William Hull Bicknell, Kevin C. Routh | 1988-03-29 |
| 4701680 | Wall box fluorescent lamp dimmer | William Hull Bicknell | 1987-10-20 |
| 4682083 | Fluorescent lamp dimming adaptor kit | — | 1987-07-21 |
| 4663569 | Energy management/dimming system and control | William Hull Bicknell, Kevin C. Routh | 1987-05-05 |
| 4604552 | Retrofit fluorescent lamp energy management/dimming system | Paul G. Huber, Joseph M. Sullivan | 1986-08-05 |
| 4561314 | Magnetoelastic force/pressure sensor | John D. Harnden, Jr., William P. Kornrumpf | 1985-12-31 |
| 4541288 | Operating circuit for magnetoelastic force/pressure sensors | William P. Kornrumpf | 1985-09-17 |
| 4441545 | Air conditioning thermostatic control system having modular inclusion of remote temperature set-back capability | John W. Relyea, Donald L. Sidebottom | 1984-04-10 |
| 4346755 | Two stage control circuit for reversible air cycle heat pump | Walter J. Pohl, John W. Relyea | 1982-08-31 |
| 4345229 | Amorphous metal ballasts and reactors | Russell E. Tompkins | 1982-08-17 |
| 4288773 | Amorphous metal ballasts and reactors | Russell E. Tompkins | 1981-09-08 |
| 4250435 | Clock rate control of electronically commutated motor rotational velocity | Richard C. Weischedel | 1981-02-10 |
| 4250544 | Combination microprocessor and discrete element control system for a clock rate controlled electronically commutated motor | — | 1981-02-10 |
| 4245488 | Use of motor power control circuit losses in a clothes washing machine | — | 1981-01-20 |
| 4211957 | Amorphous metal lamp ballast having a capacitor integral with the magnetic core | Theodore R. Haller, Russell E. Tompkins | 1980-07-08 |