Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343678 | Method and device for production of a hollow section | Wilfried Bien, Michael Halves, Uwe Klussmann, Bernhard Muller, Holger Nuhn +5 more | 2008-03-18 |
| 6776953 | Method and device for forming a hollow body | Thorsten Sternal | 2004-08-17 |
| 6427440 | Built-up airgap-insulated exhaust manifold of a motor vehicle and method for producing it | Pierre Bonny | 2002-08-06 |
| 6327854 | Fastening an exhaust manifold to an engine cylinder head | Pierre Bonny, Hans-Jorg Kaifel, Holger Nuhn, Thorsten Sternal, Gerd Tiefenbacher | 2001-12-11 |
| 6212982 | Process for manufacturing slot-shaped openings on hollow sections and apparatus for implementing same | Helmut Augustin | 2001-04-10 |
| 5996455 | Method and device for making holes at the circumference of a hollow shape | Ulrich Haag, Uwe Hardtke | 1999-12-07 |
| 5816045 | Fan-type exhaust gas manifold for multi-cylinder internal-combustion engines and method of making same | Henning Blocker, Ralf Punjer | 1998-10-06 |
| 5689954 | Exhaust gas manifold for an internal combustion engine and method of making such exhaust gas manifold | Henning Blocker, Pierre Bonny, Ralf Punjer | 1997-11-25 |