Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10959475 | Apparatus for protecting the head of a person from an external force | Robb I. McGhie | 2021-03-30 |
| 10384586 | System for transporting a crane | Robert Dennis Dieleman | 2019-08-20 |
| 9919637 | Apparatus and system for transporting and operating a crane and method of use | Robert Dennis Dieleman | 2018-03-20 |
| 9756891 | Apparatus for protecting the head of a person from an external force | Robb I. McGhie | 2017-09-12 |
| 9187123 | Dual lane multi-axle transport vehicle | Earl R. Sutton | 2015-11-17 |
| 9126626 | Apparatus for steering a boom support vehicle and method of use | Robert Dennis Dieleman | 2015-09-08 |
| 8424897 | Dual lane multi-axle transport vehicle | Earl R. Sutton | 2013-04-23 |
| 8419032 | Suspension system for a steerable trailer | Robb I. McGhie | 2013-04-16 |
| 8157284 | Method for aligning a tractor with a steerable trailer and apparatus therefor | Robb I. McGhie | 2012-04-17 |
| 7686320 | Steering system for a tractor and trailer | Robb I. McGhie | 2010-03-30 |
| 7637512 | Method for improving the turning characteristics of a boom support vehicle and apparatus therefor | Robb I. McGhie | 2009-12-29 |
| 7562887 | Self steering caster suspension system for a transport vehicle | Earl R. Sutton | 2009-07-21 |
| 7216896 | Heavy hauling system with hydraulic-powered extendable axles | Robb I. McGhie | 2007-05-15 |
| 7213824 | Suspension system for a transport vehicle | — | 2007-05-08 |
| 7159888 | Modular transport vehicle and method of use | Earl R. Sutton | 2007-01-09 |
| 6942232 | Suspension system for a transport vehicle | — | 2005-09-13 |
| 6796572 | Method for steering a transport vehicle and apparatus therefor | — | 2004-09-28 |
| 6065620 | Movable sheave assembly for a crane | — | 2000-05-23 |
| 5222613 | Pivotally-mounted reeved counterweight system | — | 1993-06-29 |
| 5112073 | Steering system for load supporting dolly | Lowell K. Pendelton | 1992-05-12 |
| 5018630 | High-capacity lift crane assembly | — | 1991-05-28 |
| 5005851 | Truck mounted jeep having adjustable axle and loading capacity | Robert Dennis Dieleman | 1991-04-09 |
| 4995518 | Detachable floating counterweight | — | 1991-02-26 |
| 4943078 | Heavy duty transport vehicle | Robert Dennis Dieleman | 1990-07-24 |
| 4468047 | Steering assembly for towed vehicles | Semyon I. Fishgal | 1984-08-28 |