Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470546 | Process and apparatus for producing a linkage of an air/fuel ratio detector holder to an exhaust pipe | Thomas Huelsberg | 2002-10-29 |
| 6427440 | Built-up airgap-insulated exhaust manifold of a motor vehicle and method for producing it | Thomas Hulsberg | 2002-08-06 |
| 6349468 | Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same | Thomas Huelsberg | 2002-02-26 |
| 6343417 | Process of manufacturing an air-gap-insulating exhaust elbow of a vehicle exhaust system | Thomas Huelsberg | 2002-02-05 |