Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137632 | Force limiting workpiece holding device | — | 2006-11-21 |
| 6883407 | Expanding collet assembly for pick-off spindle | Matthew Roberts | 2005-04-26 |
| 6877577 | Vehicle all-wheel drive system | — | 2005-04-12 |
| 5397135 | Expanding collet assembly | — | 1995-03-14 |
| 5330224 | Collet chuck | Donald N. Terwilliger | 1994-07-19 |
| 5289843 | Hydraulic safety valve | — | 1994-03-01 |
| 5112074 | Tow bar assembly | — | 1992-05-12 |
| 5072633 | Drive extension | — | 1991-12-17 |
| 5060693 | Proportioning valve for hydraulic systems | — | 1991-10-29 |
| 5056993 | Liquid intake mechanism for rotary vane hydraulic motors | — | 1991-10-15 |
| 5033269 | Compound power plant | — | 1991-07-23 |
| 5015221 | Differential steering mechanism | — | 1991-05-14 |
| 5000216 | Pressure relief valve | — | 1991-03-19 |
| 4989410 | Compound power plant | — | 1991-02-05 |
| 4943269 | Differential with lock-out mechanism | — | 1990-07-24 |
| 4885950 | Bevel gear backlash and clutch device | — | 1989-12-12 |
| 4867037 | Turret traversing mechanism | — | 1989-09-19 |
| 4840091 | Transmission shift mechanism | — | 1989-06-20 |
| 4813452 | Kinetic check valve | — | 1989-03-21 |
| 4813506 | Tracked vehicle steering mechanism | — | 1989-03-21 |
| D294587 | Tool holder for a drill bit or the like | Kamalakar K. Rao | 1988-03-08 |
| D294588 | Tool holder for drill bit or the like | Kamalakar K. Rao | 1988-03-08 |
| 4671162 | Protective box for explosive line launcher | Arthur H. Adlam, Donald R. Wittbrodt, Andrew J. Scully, Balbir S. Tuteja, Theodore R. Currier +3 more | 1987-06-09 |
| 4656708 | Live tooling turret | K. Kamalakar Rao | 1987-04-14 |
| 4567787 | Compound planetary hydro-mechanical transmission with speed-responsive centrifugal clutch means | — | 1986-02-04 |