Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192116 | Vertical shaft impact crusher | Michael E. Schultz | 2021-12-07 |
| D910725 | Vertical shaft impact crusher rotor floor | Michael E. Schultz | 2021-02-16 |
| D875795 | Vertical shaft impact crusher rotor | Michael E. Schultz | 2020-02-18 |
| D847224 | Vertical shaft impact crusher crushing chamber | Michael E. Schultz | 2019-04-30 |
| 6497428 | Selectable trailer hitch apparatus | — | 2002-12-24 |
| 5716385 | Crural diaphragm pacemaker and method for treating esophageal reflux disease | Ravinder K. Mittal, Jiamnim Liu, Bruce Schirmer | 1998-02-10 |
| RE34289 | Padding machines | Ray McClain, Donald R. Beach | 1993-06-22 |
| D319832 | Concrete mixer | — | 1991-09-10 |
| 4941823 | Vertical air flow ingot pusher furnace with adjustable side baffles | — | 1990-07-17 |
| 4859178 | Ingot pusher furnace with means for reducing heat loss | — | 1989-08-22 |
| 4820162 | Joystick control accessory for computerized aircraft flight simulation program | — | 1989-04-11 |
| 4729735 | Vertical air flow ingot pusher furnace | — | 1988-03-08 |
| 4676743 | Vertical air flow ingot pusher furnace | — | 1987-06-30 |
| 4664791 | Padding machines | Ray McClain, Donald R. Beach | 1987-05-12 |
| 4616997 | Ingot pusher furnace | — | 1986-10-14 |
| 4585412 | Ingot pusher furnace | — | 1986-04-29 |
| 4540363 | Ingot pusher furnace | Robert C. Larko | 1985-09-10 |