Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063716 | Bipolar triac short detection and safety circuit | Lenny Novikov | 2024-08-13 |
| 12035425 | Bi-polar triac short detection and safety circuit | Lenny Novikov | 2024-07-09 |
| 10620058 | Variable angle glass thermometer | — | 2020-04-14 |
| 10536991 | Bi-polar triac short detection and safety circuit | Lenny Novikov | 2020-01-14 |
| 9320084 | Heater wire safety circuit | Kuang-Pu Liao | 2016-04-19 |
| 9089010 | Heater wire safety circuit | Kuang-Pu Liao | 2015-07-21 |
| 8087825 | Mechanical and electronic temperature reading system with built-in failure and inaccuracy detection | — | 2012-01-03 |
| 7228743 | Light powered pressure gauge | — | 2007-06-12 |
| 7180037 | Heater wire and control therefor | — | 2007-02-20 |
| 6286244 | Molded fishing rod | — | 2001-09-11 |
| 5687068 | Power supply for in-line power controllers and two-terminal electronic thermostat employing same | Robert S. Jamieson | 1997-11-11 |
| D385499 | Thermometer | — | 1997-10-28 |
| 5578753 | Humidity and/or temperature control device | Chwen C. Jean | 1996-11-26 |
| 5505377 | Automatic wall thermostat | — | 1996-04-09 |
| 5422461 | Control device and safety circuit for heating pads with PTC heater | K. Y. Lin | 1995-06-06 |
| 5420397 | Control device and safety circuit for heating pads with PTC heater | K. Y. Lin | 1995-05-30 |
| 5355686 | Dual temperature control of refrigerator-freezer | — | 1994-10-18 |
| 5196781 | Method and apparatus for power control of solar powered display devices | Robert S. Jamieson | 1993-03-23 |
| 5184274 | Adjustable, elastic static control wristband | — | 1993-02-02 |
| 5134538 | Adjustable, conductive body strap | — | 1992-07-28 |
| 5018044 | Dual conductor wristband | — | 1991-05-21 |
| 4998178 | Adjustable, conductive body strap | — | 1991-03-05 |
| 4845585 | Adjustable, conductive body strap | — | 1989-07-04 |
| 4816964 | Adjustable, conductive body strap | — | 1989-03-28 |
| 4720765 | Adjustable, conductive body strap | — | 1988-01-19 |