Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067557 | Machine unit consisting of a rotary piston internal combustion engine and a rotary piston compressor | Roland Nuber, Wolfgang Sohler, Franz Sutter | 1991-11-26 |
| 4971533 | Piston of a rotary piston engine | Franz Sutter | 1990-11-20 |
| 4886437 | Bearing arrangement of an external-axial rotary piston blower | — | 1989-12-12 |
| 4846642 | Rotary piston blower with foamed synthetic material surfaces running along roughened metal surfaces | Roland Nuber, Wolfgang Sohler | 1989-07-11 |
| 4797078 | Bearing arrangement of an external-axial rotary piston blower | — | 1989-01-10 |
| 4781541 | External axial rotary piston blower with noise suppressing transfer ports | Wolfgang Sohler | 1988-11-01 |
| 4758140 | Rotary piston blower having offset shafts and a tapered housing to compensate for thermal deformation | Wilhelm Durach, Wolfgang Sohler | 1988-07-19 |
| 4496214 | Optical cable | Ulrich Oestreich | 1985-01-29 |
| 4475902 | Device for introducing medical instruments into a body | — | 1984-10-09 |