Bernd Engler
35Patents
18h-index
31Co-inventors
77Inventor score
Filing activity: Jan 20, 1987 → Feb 17, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5157007A | Catalyst for purification of exhaust gases of diesel engines and method of use | Emerging Cross-Sectional Technologies | 112 | Expired |
| US4963332A | Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5120695A | Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4814146A | Device for the containment of monolithic catalysts | Performing Operations; Transporting | 61 | Expired |
| US5116586A | Method for the reduction of nitrogen oxides from waste gases using a zeolite | Performing Operations; Transporting | 45 | Expired |
| US4900517A | Apparatus for the purification of exhaust gas from diesel motors | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4828807A | Method for the purification of exhaust gas from diesel motors | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5371056A | Oxidative diesel control catalyst | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5496788A | Coating dispersion for exhaust gas catalysts | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5179059A | Catalyst for purifying the exhaust gases of internal combustion engines and method for making the catalyst | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5198403A | Process for producing a catalyst for selective reduction of nitrous oxides with ammonia | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5073532A | Catalyst for purifying exhaust gases from internal combustion engines and method of making the catalyst | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5958829A | Coating dispersion for exhaust gas catalysts | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5569441A | System for accelerating the heating rate of a fixed bed catalyst by supplying supplemental energy | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4744967A | Process for the purification of exhaust gases containing oxides of nitrogen and sulfur | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5013705A | Platinum-free three-way catalyst | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5354720A | Reduction in the quantity of NO.sub.x in lean exhaust gas of motor vehicle engines | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5001103A | Rhodium-free three-way catalyst | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5043311A | Monolithic or honeycomb-type catalyst | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5707574A | Method for the unilateral or bilateral sealing or filling of flow channels in an annular zone of a cylindrical honeycomb body | Performing Operations; Transporting | 15 | Expired |
| US5045521A | Catalyst for the purification of exhaust gases of internal combustion engines with reduction of hydrogen sulfide emission | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5514354A | Method for using a catalyst to purify exhaust gases from a diesel engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4963521A | Exhaust-gas catalyst with reduced tendency to store sulfur oxides and to emit hydrogen sulfide and process for preparing the catalyst | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5215953A | Catalyst for the oxidation of sulfur dioxide and method for the production of the catalyst | Chemistry; Metallurgy | 12 | Expired |
| US5024985A | Support material for three-way catalysts containing platinum group metal and having reduced tendency for H.sub.2 S emission | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.