Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427645 | Exhaust gas control mechanism for a two-stroke engine | Axel Klimmek | 2002-08-06 |
| 6314922 | Hand-held working tool | Helmut Zimmermann, Jorg Schlossarczyk, Hans Nickel, Harald Schliemann, Gunter Stein +3 more | 2001-11-13 |
| 5619779 | Device for smoothing down a running material web | — | 1997-04-15 |
| 5575414 | Process and device for guiding and keeping a material web spread | Alois Groninger, Hans Seibold | 1996-11-19 |
| 5560345 | Start-assist device on a membrane carburetor | Thilo Barth, Peter Stucke, Horst Eckhardt, Harald Schliemann, Manfred Rabis +1 more | 1996-10-01 |
| 5522143 | Tensioning arrangement for a saw chain of a motor-driven chain saw | Harald Schliemann, Helmut Zimmermann, Rudolf Krebs, Hans Nickel | 1996-06-04 |
| 5491899 | Tensioning arrangement for a saw chain | Harald Schliemann, Rudolf Krebs, Hans-Ulrich Nickel, Helmut Zimmermann | 1996-02-20 |
| 5419686 | Fuel pump for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Schierling, Roland Adam | 1995-05-30 |
| 5365893 | Fuel-injection arrangement for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Schierling, Roland Adam | 1994-11-22 |
| 5353754 | Fuel-injection arrangement for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Schierling, Roland Adam, Manfred Thaiss | 1994-10-11 |
| 5307973 | Profiled rod for a web-spreading roller | Heinrich Schmidt, Otto Lorenz | 1994-05-03 |
| 5284111 | Two-state internal combustion engine | Ralf Tuckermann | 1994-02-08 |
| 5281086 | Pump for viscous fluids | Michael Wissmann, Hans Nickel, Roland Schierling | 1994-01-25 |
| 5197417 | Fuel injection pump for a two-stroke engine in a work apparatus such as a motor-driven chain saw | Ralf Tuckermann | 1993-03-30 |
| 5197418 | Fuel injection pump for a two-stroke engine | Michael Wissmann, Hans Nickel, Ralf Tuckermann | 1993-03-30 |
| 4976246 | Fuel-injection pump arrangement for a two-stroke engine of a handheld portable tool | Roland Schierling, Michael Wissmann, Hans Nickel | 1990-12-11 |
| 4938660 | Pump for viscous fluids | Karsten Schone, Hans Nickel, Roland Schierling | 1990-07-03 |
| 4932370 | Fuel injection arrangement | Roland Schierling | 1990-06-12 |
| 4876999 | Two-stroke engine | Roland Schierling | 1989-10-31 |
| 4846119 | Fuel injection pump for a two-stroke engine | Roland Schierling | 1989-07-11 |
| 4813391 | Arrangement for injecting fuel for a two-stroke engine | Roland Schierling, Hans Nickel | 1989-03-21 |
| 4807573 | Fuel injection arrangement for a two-stroke engine | Roland Schierling, Michael Wissmann, Hans Nickel | 1989-02-28 |
| 4700668 | Method of injecting fuel for two-stroke engine and apparatus therefor | Roland Schierling, Michael Wissmann, Hans Nickel | 1987-10-20 |