Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5751530 | High power DC blocking device for AC and fault current grounding | Henry N. Tachick | 1998-05-12 |
| 5574610 | Electrical isolation device | Henry N. Tachick | 1996-11-12 |
| 5455758 | Self-generating resonant power supply and method of producing power for transistor switching circuit | — | 1995-10-03 |
| 5436786 | Isolator surge protector for DC isolation and AC grounding of cathodically protected systems | Henry N. Tachick | 1995-07-25 |
| 5047912 | Four-terminal unity power factor electronic rectifier | — | 1991-09-10 |
| 5045768 | Off-line battery charger | — | 1991-09-03 |
| 5006782 | Cascaded buck converter circuit with reduced power loss | — | 1991-04-09 |
| 4965710 | Insulated gate bipolar transistor power module | Ajit Dubhashi, Peter R. Ewer | 1990-10-23 |
| 4540899 | Hammer drive circuit using power MOSFETs | — | 1985-09-10 |
| 4389702 | Switching power supply circuit having constant output for a wide range of input voltage | Stefano Clemente, Rutton Ruttonsha | 1983-06-21 |