Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098608 | Cutting tool and controls for downhole mechanical services | Joseph Casassa, Todor Sheiretov, Joshua Wurtz, Albert Dionisio, Robert Kyle Wiesenborn +1 more | 2024-09-24 |
| 12084934 | Slot cutter system and operations | Joshua Wurtz, Joseph Casassa, Christopher Albert Babin, Robert Kyle Wiesenborn, Pierre-Arnaud Foucher +1 more | 2024-09-10 |
| 10518700 | Instrusion detection system and methods thereof | George Engel | 2019-12-31 |
| 10472901 | Electrical wellbore instrument swivel connector | April Bohannan, William Rohr | 2019-11-12 |
| 9610894 | Intrusion detection system and methods thereof | George Engel | 2017-04-04 |
| 7705882 | Device and system for enabling families to share in long haul truckers' travels | Jaewon Samuel Kang, Shamir Karkal, Timothy C. Simmons, Aubrey Shick | 2010-04-27 |
| 7407322 | Tripod-mounted magnetic mixer apparatus and method | — | 2008-08-05 |
| 6935771 | Mixer seal and bearing apparatus and method | — | 2005-08-30 |
| 6877750 | Drive assembly for a mixer | — | 2005-04-12 |
| 6843612 | Retaining ring apparatus and method | — | 2005-01-18 |
| 6715913 | Shaft bearing support method and apparatus | — | 2004-04-06 |
| 6457853 | Impeller device and method | — | 2002-10-01 |
| 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, Joel S. Berg, 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, Joel S. Berg | 1998-05-05 |
| 5720486 | Self-formed labyrinth seal | William J. Hutchings, Stephen L. Markle, Joel S. Berg | 1998-02-24 |
| 5560709 | Mixer drive apparatus enabling radial changing of shaft seal | William F. Hutchings, Marlin D. Schutte, Stephen L. Markle, Joel S. Berg | 1996-10-01 |
| D323663 | Transmission cover | Stephen L. Markle, William F. Hutchings | 1992-02-04 |