Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| H1953 | Apparatus and method for preparing a hydraulic work machine for towing | Jerry J. Burckhartzmeyer, Bryan A. Vogt | 2001-04-03 | |
| 5226348 | Electro-hydraulic quick drop circuit | Stephen J. Tlachac | 1993-07-13 | $14,347,000 |
| 4515181 | Flow control valve assembly wth quick response | — | 1985-05-07 | $11,051,000 |
| 4354351 | Load sensing steering | — | 1982-10-19 | $4,197,000 |
| 4341280 | Variable displacement front wheel drive system | — | 1982-07-27 | $2,507,000 |
| 4341149 | Selectively actuatable fluid control system for a work element | — | 1982-07-27 | $2,507,000 |
| 4217968 | Closed center emergency steering with accumulator source | — | 1980-08-19 | $2,649,000 |
| 4195479 | Torque control of hydraulic motors | — | 1980-04-01 | $1,492,000 |
| 4191017 | Motor displacement control system | — | 1980-03-04 | $2,197,000 |
| 4189920 | Load signal control of hydraulic motor displacement | — | 1980-02-26 | $13,543,000 |