Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570906 | ARC furnace with DC arc and AC joule heating | — | 2003-05-27 |
| 6215678 | Arc plasma-joule heated melter system for waste treatment and resource recovery | Jeffrey E. Surma | 2001-04-10 |
| 6160238 | Tunable molten oxide pool assisted plasma-melter vitrification systems | Daniel R. Cohn, Jeffrey E. Surma | 2000-12-12 |
| 6127645 | Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery | Daniel R. Cohn, Jeffrey E. Surma | 2000-10-03 |
| 6100644 | Dimmable and non-dimmable electronic ballast for plural fluorescent lamps | — | 2000-08-08 |
| 6081329 | Compact trace element sensor which utilizes microwave generated plasma and which is portable by an individual | Daniel R. Cohn, Paul P. Woskov, Jeffrey E. Surma | 2000-06-27 |
| 6066825 | Methods and apparatus for low NO.sub.x emissions during the production of electricity from waste treatment systems | Daniel R. Cohn, Jeffrey E. Surma | 2000-05-23 |
| 6037560 | Enhanced tunable plasma-melter vitrification systems | Daniel R. Cohn, Jeffrey E. Surma | 2000-03-14 |
| 6018471 | Methods and apparatus for treating waste | Jeffrey E. Surma | 2000-01-25 |
| 5908564 | Tunable, self-powered arc plasma-melter electro conversion system for waste treatment and resource recovery | Daniel R. Cohn, Jeffrey E. Surma | 1999-06-01 |
| 5887554 | Rapid response plasma fuel converter systems | Daniel R. Cohn, Alexander Rabinovich | 1999-03-30 |
| 5852927 | Integrated plasmatron-turbine system for the production and utilization of hydrogen-rich gas | Daniel R. Cohn, Alexander Rabinovich | 1998-12-29 |
| 5847353 | Methods and apparatus for low NO.sub.x emissions during the production of electricity from waste treatment systems | Daniel R. Cohn, Jeffrey E. Surma | 1998-12-08 |
| 5825137 | Electronic ballasts for plural lamp fluorescent lighting without feedback circuitry | — | 1998-10-20 |
| 5825485 | Compact trace element sensor which utilizes microwave generated plasma and which is portable by an individual | Daniel R. Cohn, Paul P. Woskov, Jeffrey E. Surma | 1998-10-20 |
| 5811752 | Enhanced tunable plasma-melter vitrification systems | Jeffrey E. Surma | 1998-09-22 |
| 5798497 | Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery | Daniel R. Cohn, Jeffrey E. Surma | 1998-08-25 |
| 5785426 | Self-calibrated active pyrometer for furnace temperature measurements | Paul P. Woskov, Daniel R. Cohn, Jeffrey E. Surma | 1998-07-28 |
| 5756957 | Tunable molten oxide pool assisted plasma-melter vitrification systems | Daniel R. Cohn, Jeffrey E. Surma | 1998-05-26 |
| 5671045 | Microwave plasma monitoring system for the elemental composition analysis of high temperature process streams | Paul P. Woskov, Daniel R. Cohn, Jeffrey E. Surma | 1997-09-23 |
| 5666891 | ARC plasma-melter electro conversion system for waste treatment and resource recovery | Daniel R. Cohn, Jeffrey E. Surma | 1997-09-16 |
| 5573339 | Active radiometer for self-calibrated furnace temperature measurements | Paul P. Woskov, Daniel R. Cohn, J. Kenneth Wittle, Jeffrey E. Surma | 1996-11-12 |
| 5550410 | Gas turbine electrical power generation scheme utilizing remotely located fuel sites | — | 1996-08-27 |
| 5479254 | Continuous, real time microwave plasma element sensor | Paul P. Woskov, Donna L. Smatlak, Daniel R. Cohn, J. Kenneth Wittle, Jeffrey E. Surma | 1995-12-26 |
| 5199514 | Seal for well drilling assembly | — | 1993-04-06 |