Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694770 | Method and assembly for operating an electrical heater of a catalytic converter system | Helmut Swars | 1997-12-09 |
| 5686164 | Electrical insulation of structures in a honeycomb body in particular an electrically heatable catalyst carrier body | Wolfgang Maus | 1997-11-11 |
| 5643484 | Electrically heatable honeycomb body with resistance increased by slits | Helmut Swars | 1997-07-01 |
| 5610844 | Method of monitoring the operation of a catalytic converter | Wolfgang Maus, Helmut Swars | 1997-03-11 |