Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789386 | Exhaust gas manifold | — | 2004-09-14 |
| 6254142 | Exhaust manifold flange for an internal combustion engine | Hans-Joerg Kaifel | 2001-07-03 |
| 5456069 | Exhaust gas filter | — | 1995-10-10 |
| 5425236 | Catalyzer arrangement for the exhaust gases of an internal combustion engine | — | 1995-06-20 |
| 5405423 | Filter for the separation of impurities from waste gases | — | 1995-04-11 |
| 5266279 | Filter or catalyst body | — | 1993-11-30 |
| 5240485 | Exhaust gas filter | Hans-Joachim Langer | 1993-08-31 |
| 5229078 | Filter for the separation of impurities or contaminants | — | 1993-07-20 |
| 5215724 | Sintered composite filter | — | 1993-06-01 |
| 5204067 | Filter | — | 1993-04-20 |
| 5179061 | Filter or catalyst body | — | 1993-01-12 |
| 5098670 | Filter and gas mixing device for use in heating or incineration plants | — | 1992-03-24 |
| 5059326 | Fluid filter and method of manufacture | — | 1991-10-22 |
| 5009857 | Filter for gases | — | 1991-04-23 |
| 4981172 | Mechanism for heat transfer | — | 1991-01-01 |
| 4971769 | Filter device for use in heating or incineration plants | — | 1990-11-20 |
| 4966811 | Inner support matrix for moulded bodies | — | 1990-10-30 |