Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9870176 | Storage appliance and method of segment deduplication | Alan A. Robinson | 2018-01-16 |
| 5300133 | Soot particle exhaust-gas filter | Wolfgang Zahn, Hans-Joachim Langer, Bernhard Jokl | 1994-04-05 |
| 5259813 | Device for controlling the ventilation of an internal space, particularly in motor vehicles | Jorg Abthoff, Friedhelm Nunnemann, Gunter Loose, Michael Osswald, Michael-Rainer Busch +1 more | 1993-11-09 |
| 5256103 | Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle | Jorg Abthoff, Friedhelm Nunnemann, Peter Bach, Michael Osswald | 1993-10-26 |
| 5223009 | Exhaust gas equipment for an internal combustion engine | Wolfgang Zahn, Roland Ludwig Huss | 1993-06-29 |
| 5089237 | Gas filter with catalytic coating and a gastight downstream region | Friedhelm Nunnemann, Hans-Joachim Langer, Erwin Strohmer, Gerd Tiefenbacher | 1992-02-18 |
| 5042248 | Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine | Jorg Abthoff, Hans-Joachim Langer, Erwin Strohmer, Rolf Gabler, Roland Schulte | 1991-08-27 |
| 4903481 | Device for protecting a lambda probe | Gottfried Wollenhaupt | 1990-02-27 |
| 4876852 | Diesel internal combustion engine with an exhaust gas line system | Joerg Abthoff, Hans-Joachim Langer, Erwin Strohmer, Rolf Gabler, Roland Schulte | 1989-10-31 |
| 4877339 | Bearing support of a throttle valve shaft in the housing of an exhaust gas line | Christoph Noller, Gottfried Wollenraupt, Reiner Kreeb, Roland Ludwig Huss | 1989-10-31 |
| 4852349 | Arrangement for the removal of soot particles from the exhaust gas stream of a diesel internal combustion engine | Joerb Abthoff, Hans-Joachim Langer, Erwin Strohmer, Rolf Gabler, Roland Schulte | 1989-08-01 |
| 4824363 | Process and equipment for removing odorous substances from the fresh air for vehicle cabins | Joerg Abthoff, Karlwalter Schmidt, Gottfried Wollenhaupt, Hans Schmitz | 1989-04-25 |
| 4775518 | Exhaust gas catalytic converter arrangement | Jorg Abthoff, Hans-Joachim Langer, Klaus Kubatschka, Gunther Ebinger | 1988-10-04 |
| 4767740 | Metallic support for exhaust gas catalysts of Otto-engines and method for making the support | Joerg Abthoff, Karlwalter Schmidt | 1988-08-30 |
| 4704863 | Exhaust gas filter for diesel engines | Joerg Abthoff, Gunter Loose, Bernhard Jokl | 1987-11-10 |
| 4691562 | Process for determining aging condition of exhaust-gas catalyst | Joerg Abthoff, Hans-Joachim Langer, Wolfgang Zahn, Gunther Ebinger | 1987-09-08 |
| 4667469 | Exhaust gas filter for diesel engines | Joerg Abthoff, Gunter Loose, Bernhard Jokl | 1987-05-26 |
| 4622809 | Method and apparatus for monitoring and adjusting .lambda.-probe-controlled catalytic exhaust gas emission control systems of internal combustion engines | Jorg Abthoff, Gottfried Wollenhaupt, Gunter Loose, Michael-Rainer Busch | 1986-11-18 |
| 4621604 | Fuel injection system for a mixture-compressing spark ignition internal-combustion engine | Jorg Abthoff, Karlwalter Schmidt | 1986-11-11 |
| 4620448 | Arrangement for measuring the rate of flow of a gaseous or liquid medium through a housing | Kurt Oblander, Jorg Abthoff, Karlwalter Schmidt | 1986-11-04 |
| 4617795 | Exhaust gas pipe for internal-combustion engines having a receiving opening for a heated probe for determining the oxygen content of the exhaust gases | Jorg Abthoff, Gunter Loose, Gunther Ebinger | 1986-10-21 |
| 4481841 | Multiple engine drive arrangement | Jorg Abthoff, Karlwalter Schmidt | 1984-11-13 |
| 4428347 | Internal combustion engine | Jorg Abthoff, Hans-Joachim Langer, Christoph Noller | 1984-01-31 |
| 4377135 | Additive means for an air compressing internal combustion engine | Jorg Abthoff, Hans-Joachim Langer, Marijan Laszlo | 1983-03-22 |
| 4343149 | Soot filter in the exhaust gas stream of air-compressing internal combustion engines | Jorg Abthoff, Hans-Joachim Langer, Rolf Gabler | 1982-08-10 |