Berchem & Schaberg GmbH
Patent Applications and Registrations
Patent applications and USPTO patent grants for Berchem & Schaberg GmbH.The latest application filed is for "concrete reinforcing element and method of making a concrete reinforcement".
- Berchem & Schaberg GmbH - Gelsenkirchen DE
| Patent | Date |
|---|---|
| Concrete reinforcing element and method of making a concrete reinforcement Grant 4,769,886 - Berchem , et al. September 13, 1 | 1988-09-13 |
| Excavator tooth assembly for earth moving equipment Grant 4,744,158 - Berchem , et al. May 17, 1 | 1988-05-17 |
| Replaceable tooth for a digging and breaking tool Grant 4,711,503 - Berchem , et al. December 8, 1 | 1987-12-08 |
| Method of making a one-piece piston for an internal-combustion engine Grant 4,662,047 - Berchem May 5, 1 | 1987-05-05 |
| Method of making a piston bottom Grant 4,532,686 - Berchem August 6, 1 | 1985-08-06 |
| Cutting-tooth anchor for suction dredge and method of making same Grant 4,510,706 - Berchem April 16, 1 | 1985-04-16 |
| Rotary stone-cutting head Grant 4,461,513 - Berchem July 24, 1 | 1984-07-24 |
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