Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676014 | Excavator tooth | Georg Proschka | 1987-06-30 |
| 4662047 | Method of making a one-piece piston for an internal-combustion engine | — | 1987-05-05 |
| 4644776 | Method of making a low-alloy forging | — | 1987-02-24 |
| 4634062 | Forged steel grinding element for ball milling | — | 1987-01-06 |
| 4591089 | Method of making a composite forged-metal article | — | 1986-05-27 |
| 4561908 | Method of making forged steel articles, especially for vehicle parts | — | 1985-12-31 |
| 4550757 | Traction chain for a driven wheel of a wheeled vehicle | — | 1985-11-05 |
| 4532686 | Method of making a piston bottom | — | 1985-08-06 |
| 4527987 | Sprocket wheel and method of making same | — | 1985-07-09 |
| 4510706 | Cutting-tooth anchor for suction dredge and method of making same | — | 1985-04-16 |
| 4488608 | Rotary stone-cutting head with hardened teeth inserts | — | 1984-12-18 |
| 4461513 | Rotary stone-cutting head | — | 1984-07-24 |