Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813123 | Motor chainsaw with a chain braking device | Herbert Armbruster, Gerhard Meyer | 1998-09-29 |
| 5480009 | Brake system with two independent mechanical brakes | Herbert Armbruster, Gerhard Meyer | 1996-01-02 |
| 5243764 | Motor-driven chain saw | — | 1993-09-14 |
| 5226365 | Printing press cylinder with oscillation damping | — | 1993-07-13 |
| 4680862 | Motor-driven chain saw | Abou Aly, Hartmut Riess | 1987-07-21 |
| 4678411 | Oil pump | — | 1987-07-07 |
| 4662072 | Chain saw having a braking arrangement | Manfred Bortfeld, Walter Gernhard | 1987-05-05 |
| 4644658 | Lubricating-oil pump arrangement for a motor-driven apparatus | Hans Dolata, Reinhold Fink, Gerd Itzrodt, Adam Kelbert, Siegfried Ryssel +2 more | 1987-02-24 |
| 4600418 | Air-intake arrangement for a two-stroke engine | Reinhard Gommel, Jurgen Laser, Klaus Hoppner, Gerhard Meyer, Hans G. Salomon +3 more | 1986-07-15 |
| 4599239 | Method of preparing nonalcoholic beverages starting with a deaerated low sugar concentration base | Hartmut Meinert, Hans-Ulrich Pohl | 1986-07-08 |
| 4370810 | Portable motor chain saw | Volker Schurr, Hans Nickel, Klaus Hoppner, Gisbert Kohler, Hermann Weiss | 1983-02-01 |
| 4367813 | Mechanism to control power chain saw clutch operation | Walter Merz | 1983-01-11 |
| 4276769 | Apparatus for determining the carbon dioxide content of a liquid, especially a beverage | Hartnut Meinert | 1981-07-07 |
| 4182814 | Process for the production of polybutadiene having a high cis-1,4-content | Paul Bernemann, Rudolf Kentschke | 1980-01-08 |