Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950372 | Sheltering apparatus and method of sheltering same | Sabah Naser Al-Sabah, Erich Wirzberger | 1999-09-14 |
| 5687816 | Underground storage space | Erich Wirzberger | 1997-11-18 |
| 5179889 | Radial piston engine | Sinclair Cunningham | 1993-01-19 |
| 5099964 | Multiple disc brake | Sinclair Cunningham | 1992-03-31 |
| 5090295 | Radial piston engine | Sinclair Cunningham | 1992-02-25 |
| 4953524 | Radial piston engine | Sinclair Cunningham | 1990-09-04 |
| 4838765 | Axial piston pump | Egon Eisenbacher, Manfred Lotter, Rainer Stolzer | 1989-06-13 |
| 4807519 | Piston machine with changeable displacement | Sinclair Cunningham | 1989-02-28 |
| 4747339 | Radial piston machine | Sinclair Cunningham | 1988-05-31 |
| 4704948 | Radial piston machine | Sinclair Cunningham | 1987-11-10 |
| 4627801 | Rotary gear machine with commutator and shaft in flange housing | Johann Schneider, Ewald Schulz | 1986-12-09 |
| 4610195 | Piston for a hydraulic piston machine of the multiple displacement type | Sinclair Cunningham | 1986-09-09 |
| 4527460 | Radial piston machine | Egon Eisenbacher, Sinclair Cunningham | 1985-07-09 |
| 4426199 | Rotary fluid actuated machine | Johann Schneider | 1984-01-17 |
| 4411607 | Internal gear machine with rotary pressure balanced valve disc | Johann Schneider | 1983-10-25 |
| 4380420 | Internal gear machine with rotary valve disk | Johann Schneider | 1983-04-19 |
| 4346645 | Hydraulic axial piston engine | Sinclair Cunningham | 1982-08-31 |
| 4264288 | Gerotor machine with flow control recesses in the inner gear member | Johann Schneider | 1981-04-28 |