Issued Patents All Time
Showing 201–224 of 224 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610844 | Method of monitoring the operation of a catalytic converter | Wolfgang Maus, Helmut Swars | 1997-03-11 |
| 5588291 | Method for controlling the heating of an electrically heatable catalytic converter | Wolfgang Maus, Helmut Swars | 1996-12-31 |
| 5585073 | Electrically heated catalytic converter | Helmut Swars | 1996-12-17 |
| 5560200 | Method and apparatus for functional monitoring of a catalytic converter | Wolfgang Maus, Helmut Swars | 1996-10-01 |
| 5525309 | Honeycomb body with a plurality of disks braced against one another | Hans-Jurgen Breuer, Helmut Swars | 1996-06-11 |
| 5506028 | Conical honeycomb body | — | 1996-04-09 |
| 5474746 | Catalyst carrier body for exhaust systems of internal combustion engines | Wolfgang Maus | 1995-12-12 |
| 5468455 | Honeycomb body with an internal structure that is retained in a frame and a method of producing the same | — | 1995-11-21 |
| 5464679 | Metal honeycomb body of intertwined sheet-metal layers, and method for its production | Wolfgang Maus, Helmut Swars, Bohumil Humpolik | 1995-11-07 |
| 5433072 | Assembly for regulating and/or monitoring the electric heating of a catalytic converter system | Helmut Swars | 1995-07-18 |
| 5428956 | Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine | Wolfgang Maus, Helmut Swars | 1995-07-04 |
| 5417062 | Heatable catalytic converter configuration for cleaning the exhaust gases of internal combustion engines | Helmut Swars | 1995-05-23 |
| 5413767 | Mechanically stabilized heating catalyst configuration | Hans-Jurgen Breuer, Helmut Swars | 1995-05-09 |
| 5382774 | Electrically heatable honeycomb body | Hans-Jurgen Breuer | 1995-01-17 |
| 5370943 | Honeycomb body with nonhomogeneous electric heating | Helmut Swars | 1994-12-06 |
| 5355671 | Method and apparatus for monitoring the function of a catalytic converter | Wolfgang Maus, Helmut Swars | 1994-10-18 |
| 5342783 | Method for detecting a reaction zone in a catalytic converter | Helmut Swars, Wolfgang Maus | 1994-08-30 |
| 5339628 | Method for monitoring the catalytic activity of a catalytic converter in the exhaust gas system of an internal combustion engine | Wolfgang Maus, Helmut Swars | 1994-08-23 |
| 5307626 | Method and apparatus for controlling an internal combustion engine, using the current temperature of a downstream catalytic converter | Wolfgang Maus, Helmut Swars | 1994-05-03 |
| 5294411 | Honeycomb body with heatable catalytic active coating | Hans-Jurgen Breuer | 1994-03-15 |
| 5255511 | Method and apparatus for operational monitoring of a catalytic converter of an internal combustion engine and a catalytic converter to be monitored | Wolfgang Maus, Helmut Swars | 1993-10-26 |
| 5195239 | Method for assembling shafts | Hans-Jurgen Breuer | 1993-03-23 |
| 4301240 | Photographic silver halide material with cross-linked particulate acrylic or methacrylic polymer | Erich Wolff | 1981-11-17 |
| 4287299 | Process for the production of matting layers | Wolfgang Himmelmann, Wolfgang Sauerteig, Peter Kruck, Gunter Kolb, Gunter Sackmann | 1981-09-01 |