Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808303 | Ready mix batch hauler system | — | 2004-10-26 |
| 6290071 | Air separator system | Greg L. Schafer | 2001-09-18 |
| 6112739 | Method for high speed cutting | Steven W. Hoerner, Edwin C. Pow | 2000-09-05 |
| 6095341 | Apparatus and process for separating contaminants from particulate material | — | 2000-08-01 |
| 5735259 | High speed cutting belt | Steven W. Hoerner, Edwin C. Pow | 1998-04-07 |
| 5603311 | Belt based cutting system | Steven W. Hoerner | 1997-02-18 |
| 5319844 | Method of making an electromagnetic transducer | Hao Huang | 1994-06-14 |
| 5311092 | Lightweight high power electromagnetic transducer | — | 1994-05-10 |
| 5212419 | Lightweight high power electromotive device | John T. Jacobs | 1993-05-18 |
| 5004944 | Lightweight high power electromagnetic transducer | — | 1991-04-02 |
| 4900965 | Lightweight high power electromotive device | — | 1990-02-13 |
| 4718138 | Footwear scraper | Steven R. Brown | 1988-01-12 |
| 4651417 | Method for forming printed circuit board | John E. Schumacher, III | 1987-03-24 |
| 4576616 | Method and apparatus for concentrating oxygen | William R. Mottram, Louis Feierabend | 1986-03-18 |
| 4502873 | Method and apparatus for concentrating oxygen | William R. Mottram, Louis Feierabend | 1985-03-05 |
| 4468972 | Flow meter with a motor driven impeller | Raymond E. Umbaugh | 1984-09-04 |