Inventor · Essen, DE

Erich Hackler

17Patents
6h-index
24Co-inventors
58Inventor score

Filing activity: Jul 19, 1979 → Nov 30, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4259312A Process and apparatus for catalytically reacting a reducing gas and water vapor Chemistry; Metallurgy 14 Expired
US4258006A Apparatus for fluid catalytic conversion of gases Emerging Cross-Sectional Technologies 8 Expired
US4352680A Process and/or facility for driving off dissolved, corrosive gaseous constituents from watery solutions Emerging Cross-Sectional Technologies 8 Expired
US4828806A Process for cleaning an exhaust gas Mechanical Engineering; Lighting; Heating 7 Expired
US4751212A Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases Performing Operations; Transporting 7 Expired
US4720376A Process for the removal of nitrogen oxides and soot from exhaust gases of machines and combustion installations burning heavy fuel oil Emerging Cross-Sectional Technologies 7 Expired
US4721699A Catalyst for the separation of nitrogen oxides from combustion exhaust gases Mechanical Engineering; Lighting; Heating 6 Expired
US4695559A Catalyst for the selective reduction of nitrogen oxides in waste gases and process for the manufacture of such a catalyst Performing Operations; Transporting 5 Expired
US4318997A Process and apparatus for multi-stage catalytic methanization of gases Performing Operations; Transporting 5 Expired
US4539016A Method of and apparatus for adjusting and maintaining constant the temperature during methanizing of a charge gas Performing Operations; Transporting 4 Expired
US4672052A Catalyst for removal of nitrogen oxides from exhaust gases Mechanical Engineering; Lighting; Heating 3 Expired
US4746483A Process for the manufacture of catalyst molding Performing Operations; Transporting 2 Expired
US4407699A Process and apparatus for the dry cooling of coke Chemistry; Metallurgy 2 Expired
US4433066A Method for the preparation of high-caloric gases, particularly methane, by means of a catalyst fluidized bed Performing Operations; Transporting 1 Expired
US4444532A Method of, and apparatus for, charging particulate matter into a gas stream Mechanical Engineering; Lighting; Heating 1 Expired
US4407974A Method of and apparatus for catalytic conversion of gases Emerging Cross-Sectional Technologies 1 Expired
US4304756A Apparatus for the catalytic reaction of H.sub.2 -containing feed gas Performing Operations; Transporting 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.