Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12064800 | Method for forming a sheet blank as a workpiece in a forming tool | — | 2024-08-20 |
| 10518311 | Forming press and method for forming a sheet-like blank composed of metal with two frame parts that are movable towards one another | — | 2019-12-31 |
| 6862910 | Method of manufacturing a hollow metal body | — | 2005-03-08 |
| 6842956 | Tubular connection method | Simon Jonathan Giles Griffiths | 2005-01-18 |
| 6460250 | Process for producing a tubular structural element | Simon Jonathan Giles Griffiths | 2002-10-08 |
| 6401509 | Method for producing a hollow body made of metal | — | 2002-06-11 |
| 6364780 | Driveshaft | Werner Dickhaut, Wolfgang Lobel | 2002-04-02 |
| 6067831 | Hydroforming process | Alexander Mark Duff | 2000-05-30 |
| 5664463 | Camshaft assembly with shaft elements positioned one inside the other and method of producing same | Klaus Greulich, Helmut Riemscheid | 1997-09-09 |
| 5577420 | Cam shaft for internal combustion engine | Helmut Riemscheid, Karl Weiss, Herbert Frielingsdorf, Stefan Magirius, Klaus Greulich +2 more | 1996-11-26 |
| 5354237 | Driveshaft including damping sleeve for bending and torsional frequency improvement | Klaus Greulich | 1994-10-11 |
| 5346432 | Driveshaft with additional masses | Klaus Greulich | 1994-09-13 |
| 5342256 | Differential gear system | Wolfgang Hildebrandt | 1994-08-30 |
| 5295922 | Differential drive | Wolfgang Hildebrandt | 1994-03-22 |
| 5287768 | Driveshaft | Klaus Greulich | 1994-02-22 |
| 5243880 | Driveshaft | Rudolf Beier, Wolfgang Exner, Herbert Frielingsdorf, Klaus Greulich, Joachim Altdorf +1 more | 1993-09-14 |
| 5232416 | Method and device for the variation of locking rates | Klaus Greulich, Wolfgang Hildebrandt | 1993-08-03 |
| 5232417 | Differential drive | Wolfgang Hildebrandt | 1993-08-03 |
| 5194058 | Differential drive | Wolfgang Hildebrandt, Klaus Greulich | 1993-03-16 |
| 5194054 | Differential drive | Wolfgang Hildebrandt | 1993-03-16 |
| 5165303 | Cam shaft for internal combustion engine | Helmut Riemscheid, Karl Weiss, Herbert Frielingsdorf, Stefan Magirius, Klaus Greulich +2 more | 1992-11-24 |
| 5055096 | Differential gearing | Helmut Riemscheid, Herbert Frielingsdorf, Klaus Greulich | 1991-10-08 |