Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236558 | Attachment for making up or breaking out pipe | Jason LaValley, Craig S. Larson, Matt Michel, Rod Wurgler | 2022-02-01 |
| 10994974 | Tower elevating assembly | David A. Bailie, Charles Klyn | 2021-05-04 |
| 10597274 | Tower elevating assembly | David A. Bailie, Charles Klyn | 2020-03-24 |
| 9561942 | Cam driven wedge braking system for multi-stage lifts | Steven Citron, Mark C. Mattson | 2017-02-07 |
| 9388028 | Steering and loading fulcrum device for multi-stage lifts | Steven Citron, Mark C. Mattson | 2016-07-12 |
| 7549667 | Trailer personnel lift with retractable axles | Steven Citron | 2009-06-23 |
| 6276489 | Flanged cross tubes for use in scissors linkages | Patrick J. Lynch, Michael F. Davis | 2001-08-21 |
| 6173810 | Trailer personnel lift with a level sensor and manually set outriggers | Steven Citron, Michael F. Davis, Matthew G. Kraemer | 2001-01-16 |
| 6095286 | Personnel lift with adjustable shim wear blocks | Steven Citron, Ronald A. Teter, Matthew G. Kraemer, Ronald L. Williams | 2000-08-01 |
| 6050358 | Dual pivot swing-out engine tray | Brian Kays, Michael F. Davis | 2000-04-18 |
| 5934409 | Trailer personnel lift with a level sensor and manually set outriggers | Steven Citron, Michael F. Davis, Matthew G. Kraemer | 1999-08-10 |
| 5890559 | Personnel lift with automatic set-up transport wheel | Bradley K. Allen, Tracy L. Keller | 1999-04-06 |
| 5885047 | Pneumatic level maintaining transport | Michael F. Davis, Richard M. Curtin | 1999-03-23 |
| 5875869 | Personnel lift with automatic set-up transport wheel | Bradley K. Allen, Tracy L. Keller | 1999-03-02 |
| 5850892 | Personnel lift with adjustable shim wear blocks | Steven Citron, Ronald A. Teter, Matthew G. Kraemer, Ronald L. Williams | 1998-12-22 |
| 5755306 | Personnel lift incorporating an outreach mechanism for an aerial work platform | Matthew G. Kraemer | 1998-05-26 |
| 5396692 | Non-linear torsional assist mechanism and method | Kirby H. Floyd | 1995-03-14 |
| 5163806 | Airline food transportation system | Graham D. Robertson, Barry J. Walter, Ronald J. Billett | 1992-11-17 |