Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042395 | Composite vehicle body having sandwich panels integrally formed with frame parts to form individual body modules which are connected to other body modules to form the vehicle body | Franz Sperber, Josef Grober | 1991-08-27 |
| 4863207 | Disc wheel, particularly for rail vehicles | Josef Grober, Franz Sperber | 1989-09-05 |
| 4805291 | Method for making a mold half for laminated parts | Michael Hahn, Peter Eschenfelder, Ralf-Thilo Schulz | 1989-02-21 |
| 4749425 | Method of making a disk wheel, especially a railroad wheel | Hans-Dieter Spiller | 1988-06-07 |
| 4699417 | Disk wheel, especially railroad wheel | Hans-Dieter Spiller | 1987-10-13 |
| 4671842 | System for the manufacture of tubular structural parts of a fiber-reinforced plastic | Wolfgang Prochaska, Ralf-Thilo Schulz | 1987-06-09 |
| 4589679 | Safety steering column made of fiber-reinforced synthetic materials | Ralf-Thilo Schulz, Franz Sperber, Wolfram Koletzko, Wolfgang Prochaska | 1986-05-20 |
| 4562975 | Apparatus for winding tubular structural components | Franz Sperber, Walter Weber | 1986-01-07 |
| 4412784 | Monocoque type rotor blade | Michael Hahn | 1983-11-01 |
| 4398693 | Mold half for laminated parts | Michael Hahn, Peter Eschenfelder, Ralf-Thilo Schulz | 1983-08-16 |
| 4385957 | Method for heating a webbing reinforced by carbon fibers | Dieter Franz | 1983-05-31 |
| 4255087 | Member formed of fiber-reinforced plastic material, such as a rotor blade | Klaus Brunsch, Josef Grober | 1981-03-10 |
| 4252503 | Rotor blade especially for rotary wing aircraft | Otmar Friedberger, Emil Weiland | 1981-02-24 |