Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842377 | Mixer gearbox assembly having a cross-shaft alternatively mounted in one or two bearings and configured to receive different drive motors | William J. Hutchings, Stephen L. Markle, David Engel, Marlin D. Schutte | 1998-12-01 |
| 5746536 | Double taper lock system for a locking a mixer shaft in a quill | William F. Hutchings, Marlin D. Schutte, Stephen L. Markle, David Engel | 1998-05-05 |
| 5720486 | Self-formed labyrinth seal | William J. Hutchings, Stephen L. Markle, David Engel | 1998-02-24 |
| 5560709 | Mixer drive apparatus enabling radial changing of shaft seal | William F. Hutchings, Marlin D. Schutte, Stephen L. Markle, David Engel | 1996-10-01 |