Patents per Year
Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6307461 | Spring load reduction thermostat | James P. Frank, Manuel Gonzalez | 2001-10-23 | $110,673,000 |
| 6252492 | Condition-responsive electric switch mechanism | James P. Frank, Ted P. Struttmann | 2001-06-26 | |
| 5974819 | Refrigeration thermostat with controlled pressure equalization | Manuel Gonzalez, Kenneth R. Renkes | 1999-11-02 | $74,349,000 |
| 4931604 | Control device | — | 1990-06-05 | $12,888,000 |
| 4920240 | Method of operating an electric circuit controlling device | — | 1990-04-24 | $8,696,000 |
| 4835348 | Electrical switch device | James P. Frank | 1989-05-30 | $10,744,000 |
| 4703140 | Electric circuit controlling device | — | 1987-10-27 | $17,271,000 |
| 4351105 | Method of making a control device | — | 1982-09-28 | $3,629,000 |
| 4330695 | Control device | — | 1982-05-18 | $3,915,000 |
| 4287780 | Snap-action member | — | 1981-09-08 | $1,849,000 |
| 4200776 | Control device with grain oriented snap disk | — | 1980-04-29 | $4,016,000 |
| 4188145 | Assembly and method of assembling | — | 1980-02-12 | $3,127,000 |