Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121807 | Power assisted vehicle steering system | — | 1992-06-16 |
| 5069301 | Vehicle power assisted steering system | — | 1991-12-03 |
| 4865150 | Power assistance vehicle steering mechanisms | — | 1989-09-12 |
| 4856608 | Power assisted vehicle steering mechanism | — | 1989-08-15 |
| 4838106 | Power assistance means for a steering gear and a steering gear assembly which includes such means | — | 1989-06-13 |
| 4779694 | Power assisted vehicle steering mechanism | — | 1988-10-25 |
| 4724919 | Power assisted vehicle steering system | — | 1988-02-16 |
| 4716983 | Torque sensing vehicle steering system | Kenneth Chandler | 1988-01-05 |
| 4676335 | Power assisted steering system | — | 1987-06-30 |
| 4651841 | Power assistance steering system for a vehicle | — | 1987-03-24 |
| 4645026 | Vehicle control system | — | 1987-02-24 |
| 4633907 | Valve assemblies | — | 1987-01-06 |
| 4627509 | Power assistance steering systems for vehicles | Kenneth J Heap | 1986-12-09 |
| 4625624 | Power assisted steering system and a steering assembly for such a system | — | 1986-12-02 |
| 4588161 | Rotary valve and a method of forming a sleeve for such a valve | — | 1986-05-13 |
| 4580651 | Power assistance steering system for a vehicle | — | 1986-04-08 |
| 4544131 | Rotary valve | — | 1985-10-01 |
| 4489755 | Power assisted steering gear | — | 1984-12-25 |
| 4487225 | Power assisted steering gear | — | 1984-12-11 |
| 4449601 | Power-assisted steering gear assembly | — | 1984-05-22 |
| 4448088 | Rack bar and pinion assembly and a steering gear including such an assembly | — | 1984-05-15 |
| 4429621 | Hydraulic systems | — | 1984-02-07 |
| 4365683 | Power assisted vehicle steering system | — | 1982-12-28 |
| 4322986 | Variable ratio rack and pinion gear | Philip Downing | 1982-04-06 |
| 4314485 | Speed control systems | — | 1982-02-09 |