Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963994 | VCR programmer | — | 1990-10-16 |
| 4951473 | Heat pump defrosting operation | James T. Russo, Victor Rigotti, Nicholas Skogler | 1990-08-28 |
| 4916912 | Heat pump with adaptive frost determination function | James T. Russo, Victor Rigotti, Nicholas Skogler | 1990-04-17 |
| 4910966 | Heat pump with single exterior temperature sensor | James T. Russo, Victor Rigotti, Nicholas Skogler | 1990-03-27 |
| 4908713 | VCR Programmer | — | 1990-03-13 |
| 4864513 | Potentiometer setting detection by measuring the ratio of RC time constants | Victor Rigotti, James T. Russo, Nicholas Skogler | 1989-09-05 |
| 4847825 | Method and apparatus for signaling the volume level of reproducing apparatus for digitally recorded sound | — | 1989-07-11 |
| 4841458 | Analog to digital conversion by measuring the ratio of RC time constants | Victor Rigotti, James T. Russo, Nicholas Skogler | 1989-06-20 |
| RE32960 | Electronic thermostat | — | 1989-06-20 |
| 4829457 | Overload protection circuit for solid state switch | James T. Russo, Victor Rigotti | 1989-05-09 |
| 4829458 | External constant specification in a digital electronic system | James T. Russo, Victor Rigotti, Nicholas Skogler | 1989-05-09 |
| 4817705 | Thermostatic control without temperature droop using duty cycle control | Lorne W. Nelson | 1989-04-04 |
| 4759498 | Thermostatic control without temperature droop using duty cycle control | Lorne W. Nelson, Thomas J. Beckey, James T. Russo | 1988-07-26 |
| 4751961 | Electronic programmable thermostat | James T. Russo, Victor Rigotti | 1988-06-21 |
| 4741476 | Digital electronic thermostat with correction for triac self heating | James T. Russo, Victor Rigotti, Nicholas Skogler | 1988-05-03 |
| 4733719 | Electronic thermostat with a stored program of desired temperatures and predetermined maximum and minimum temperatures | — | 1988-03-29 |
| 4730941 | Temperature range display device for electronic thermostat | James T. Russo, Anthony C. Cairo, Victor Rigotti | 1988-03-15 |
| 4695942 | Manual switch for altering a parameter in opposite directions based on length of time of switch actuation | James T. Russo, Anthony C. Cairo, Victor Rigotti | 1987-09-22 |
| 4685614 | Analog to digital conversion employing the system clock of a microprocessor, the clock frequency varying with analog input | — | 1987-08-11 |
| 4683939 | Electronic thermostat with selectable mode to control heating only, cooling only or both heating and cooling | — | 1987-08-04 |
| 4669654 | Electronic programmable thermostat | James T. Russo, Victor Rigotti | 1987-06-02 |
| D288785 | Enclosure for an electronic thermostat or the like | — | 1987-03-17 |
| 4635708 | Electronic thermostat for heating and cooling system | — | 1987-01-13 |
| 4627245 | De-icing thermostat for air conditioners | — | 1986-12-09 |
| 4606401 | Programmable thermostat | James T. Russo, Anthony C. Cairo, Victor Rigotti | 1986-08-19 |