Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595169 | Internal combustion engine having adjustable CO characteristic curve | Michael Raffenberg, Heinz Hettmann | 2003-07-22 |
| 6591606 | Internal combustion engine as a drive engine in a portable handheld work apparatus | Axel Rauch, Holger Lochmann | 2003-07-15 |
| 6571756 | Two-cycle engine with a stratified charge | Hans Nickel, Axel Klimmek, Thomas Stark, Peter Pretzsch | 2003-06-03 |
| 6523509 | Two-stroke engine | Jochen Kramer, Lars Bergmann, Michael Raffenberg | 2003-02-25 |
| 6491005 | Die cast metal cylinder assembly for a two-stroke engine | Lars Bergmann, Igor Klaric, Michael Raffenberg, Peter Pretzsch | 2002-12-10 |
| 6491004 | Two-stroke engine | Michael Raffenberg | 2002-12-10 |
| 6415750 | Two-stroke engine | Axel Klimmek, Peter Linsbauer, Lars Bergmann | 2002-07-09 |
| 6401672 | Internal combustion engine having a choke flap arranged in an air filter housing | Michael Raffenberg, Lars Bergmann | 2002-06-11 |
| 6401673 | Two-stroke engine having a bypass branching from an air filter housing | Peter Linsbauer, Lars Bergmann, Reinhard Gerhardy | 2002-06-11 |
| 6267088 | Two-stroke engine having an air scavenged transfer channel | Axel Klimmek, Lars Bergmann | 2001-07-31 |
| 6257181 | Two-stroke engine having a ventilated transfer channel | Lars Bergmann | 2001-07-10 |