Issued Patents All Time
Showing 1–13 of 13 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, Joel S. Berg | 1998-12-01 |
| 5746536 | Double taper lock system for a locking a mixer shaft in a quill | William F. Hutchings, Stephen L. Markle, Joel S. Berg, David Engel | 1998-05-05 |
| 5568975 | Self-adjusting steady bearing support assembly and suspension | Robert Blakley | 1996-10-29 |
| 5568985 | Mixer apparatus having an improved steady bearing | — | 1996-10-29 |
| 5560709 | Mixer drive apparatus enabling radial changing of shaft seal | William F. Hutchings, Stephen L. Markle, Joel S. Berg, David Engel | 1996-10-01 |
| 5480228 | Mixer systems | Jeffrey S. Gambrill, William F. Hutchings, Stephen L. Markle, John M. Palmer, III | 1996-01-02 |
| 5368390 | Mixer systems | Jeffrey S. Gambrill, William F. Hutchings, Stephen L. Markle, John M. Palmer, III | 1994-11-29 |
| 5005843 | Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus | Stephen L. Markle, William F. Hutchings, Richard Howk | 1991-04-09 |
| 5006283 | Mixing system for dispersing a compressible fluid such as gas into liquid in a vessel | Craig B. Bahr, Ronald J. Weetman, Richard Howk | 1991-04-09 |
| 4834932 | Method for making an end connection for composite shafts | Ronald N. Salzman, Robert Blakley, Keith T. McDermott | 1989-05-30 |
| 4722717 | End connection for composite shafts | Ronald N. Salzman, Robert Blakley, Keith T. McDermott | 1988-02-02 |
| 4468129 | Solids mixing apparatus | George C. McIntosh, Jonathan C. Everdyke | 1984-08-28 |
| 4358206 | Draft tube apparatus | — | 1982-11-09 |