Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8528518 | Rotary piston for a rotary piston engine and rotary piston engine | — | 2013-09-10 |
| 7500461 | Rotary combustion engine, designed for diesel fuel | Wolfgang Baier, Manfred Mäthner, Rudolf Klotz, Michael Schirmer | 2009-03-10 |
| 7491046 | Piston for a rotary combustion engine | Wolfgang Baier | 2009-02-17 |
| 7264454 | Rotary combustion engine with an improved inner seal | Wolfgang Baier, Manfred Mäthner, Rudolf Klotz, Michael Schirmer | 2007-09-04 |
| 7234924 | Rotary combustion engine with device for conveying lubricating oil | Wolfgang Baier, Manfred Mäthner, Rudolf Klotz, Michael Schirmer | 2007-06-26 |
| 7234374 | Eccentric shaft for an internal combustion engine | Wolfgang Baier, Manfred Mäthner, Rudolf Klotz, Michael Schirmer | 2007-06-26 |
| 6887053 | Rotary piston engine in trochoidal design | — | 2005-05-03 |
| 6503070 | Rotary piston engine having an oil system for lubrication and cooling | — | 2003-01-07 |
| 6481989 | Trochoidal design rotary piston engine and method of making same | — | 2002-11-19 |
| 6474965 | Rotary piston engine having a cogwheel pump and an oil metering pump | — | 2002-11-05 |
| 5609475 | Compressor with a hypotrochoidal design having a fluid delivery which is not solely dependent on a drive RPM | — | 1997-03-11 |
| 5452996 | Position-independent rotary piston internal combustion engine | Josef Speiser | 1995-09-26 |
| 5199863 | Sealing of an eccentric bearing of a rotary piston internal combustion engine | — | 1993-04-06 |
| 5100309 | Cooling medium pump of a rotary piston internal combustion engine | Roland Nuber | 1992-03-31 |
| 5049049 | Rotary piston internal combustion engine | — | 1991-09-17 |
| 5039289 | Rotary piston blower having piston lobe portions shaped to avoid compression pockets | Wolfgang Sohler | 1991-08-13 |
| 5011385 | Bearing- and drive arrangement of a rotary piston internal combustion engine | — | 1991-04-30 |
| 4969809 | Lubrication system for an eccentric bearing of a rotary piston internal-combustion engine | Hans-Jurgen Klusowski | 1990-11-13 |
| 4867659 | Parallel-and external-axial rotary piston blower operating in meshing engagement | Wolfgang Sohler | 1989-09-19 |
| 4850827 | Cooling system of an eccentric shaft of a rotary piston internal combustion engine | — | 1989-07-25 |
| 4830591 | Lubrication system for a rotary-piston internal combustion engine | Hans-Jurgen Klusowski | 1989-05-16 |
| 4824125 | Axial seal for a rotary-piston engine | — | 1989-04-25 |
| 4808096 | Axial sealing system of a rotary piston engine | Manfred Fischer | 1989-02-28 |
| 4801254 | Cooling system for a rotary piston internal combustion engine | — | 1989-01-31 |
| 4797076 | Inner seal of a rotary piston engine | — | 1989-01-10 |