Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208999 | Locking head assembly for crane boom pins, boom with such an assembly and crane with such a boom | Stephen J. Schoonmaker, Bradley Charles Calaman, Martin R. Stander, Jared Yorke | 2025-01-28 |
| 11713222 | System and method for monitoring crane and crane having same | Stephen J. Schoonmaker, Michael Stake | 2023-08-01 |
| 11142438 | Graphical working range diagrams for displaying allowable and projected loads | John R. Rudy | 2021-10-12 |
| 11111115 | Wear pad with insert for telescoping boom assembly | Bradley Charles Calaman | 2021-09-07 |
| 10906786 | Electronically controlled hydraulic swing system | Mark A. Harbold, Todd Snider, David R. Peiffer | 2021-02-02 |
| 10759637 | Segmented shape-compliant wear pad for telescoping boom assembly | Kurt W. Richter, Jonathan M. Burkett, Donald C. Hade, Jr. | 2020-09-01 |
| 10676328 | Crane function performance enhancement for non-symmetrical outrigger arrangements | Stephen J. Schoonmaker | 2020-06-09 |
| 10549960 | Multiple position A-frame outriggers | Ryan Moose | 2020-02-04 |
| 9878886 | Electronically controlled hydraulic swing system | Mark A. Harbold, Todd Snider, David R. Peiffer | 2018-01-30 |
| 9440823 | Transportable machinery | Gary Allan Johnston | 2016-09-13 |
| 9365398 | Outrigger pad monitoring system | Matthew T. Oswald, Stephen J. Schoonmaker | 2016-06-14 |
| 9103696 | Extended range position sensor system | Gregory Furlong | 2015-08-11 |
| 8881919 | System for measuring length of a beam extension and detecting support | John R. Rudy | 2014-11-11 |
| 7987914 | Controlling actuation of tools in a wellbore with a phase change material | — | 2011-08-02 |
| 7469748 | Submersible pumping system | Murat Ocalan, Michael Hui Du, Jeffrey Harold Miller, Arukumar Arumugam, Peter Julstrom +5 more | 2008-12-30 |