Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1070060 | Portable flow hood | Brandon Burkhart, Thomas O'Connor, Michael Swensen | 2025-04-08 |
| 10050602 | Tunable Q resonator | Clark T.-C. Nguyen | 2018-08-14 |
| 9974920 | Portable oxygen delivery device | Paul L. Edwards, Jason Hugenroth | 2018-05-22 |
| 8016259 | Refractory furnace covers and methods of constructing same | David Ehrhardt | 2011-09-13 |
| 7686662 | Electrical connector assembly | — | 2010-03-30 |
| 7472725 | Heat-insulated conduit | Roberto Rudi, Roland Demuth | 2009-01-06 |
| 6951315 | Tubular rotary mill liner | — | 2005-10-04 |
| 6651658 | Portable oxygen concentration system and method of using the same | Theodore B. Hill, Edward A. Radtke, James A. Bixby | 2003-11-25 |
| 6629525 | Portable oxygen concentration system and method of using the same | Theodore B. Hill, Edward A. Radtke, James A. Bixby | 2003-10-07 |
| 6616476 | Electrical plug-in connector with at least one insulation displacement contact element consisting of a sheet metal stamping, and corresponding mating connector | Werner Moritz, Roland C. Wittenberg | 2003-09-09 |
| 6206310 | Rotary mill | — | 2001-03-27 |
| 5660508 | Portable radial drill press | — | 1997-08-26 |
| 4832032 | Electrical apparatus protective interconnect | — | 1989-05-23 |
| 4757804 | Device for electromagnetic treatment of living tissue | Neil J. Griffith, Dan Vance, Brian S. Kelleher, Peter A. Balnave, Theodore B. Hill +1 more | 1988-07-19 |