Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12132347 | Method, system, and computer program product for uninterrupted power using an array of ultra-capacitors | Domenic P. Marzano, Alex R. Rugh | 2024-10-29 |
| 11811331 | Insulated-gate bipolar transistor (IGBT) rectifier for charging ultra-capacitors | Domenic P. Marzano, Alex R. Rugh | 2023-11-07 |
| 6137822 | Direct current arc furnace and a method for melting or heating raw material or molten material | Richard Cook | 2000-10-24 |
| 6038246 | Method and apparatus for operating a furnace | Hiroshi Shimizu, Richard Cook | 2000-03-14 |
| 5956366 | Arc furnace and method in which molten material is stirred and the arc is guided | Hiroshi Shimizu, Richard Cook | 1999-09-21 |