Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697155 | Method of manufacturing a branched pipe by internal high-pressure forming | Henning Bloecker, Thomas Huelsberg, Thoralf Nehls, Ralf Puenjer, Eckhard Reese +1 more | 1997-12-16 |
| 5689954 | Exhaust gas manifold for an internal combustion engine and method of making such exhaust gas manifold | Henning Blocker, Thomas Hulsberg, Ralf Punjer | 1997-11-25 |
| 5682741 | Exhaust manifold for an internal combustion engine | Helmut Augustin, Henning Blocker, Wolfgang Jekel, Hans-Jorg Kaifel, Berndt Schutz | 1997-11-04 |