Gerhard Ranke
23Patents
13h-index
22Co-inventors
81Inventor score
Filing activity: Mar 14, 1974 → May 13, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5660807A | Process for the removal of HCN from gas mixtures | Chemistry; Metallurgy | 50 | Expired |
| US4305733A | Method of treating natural gas to obtain a methane rich fuel gas | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4592766A | Parallel stream heat exchange for separation of ethane and higher hydrocarbons from a natural or refinery gas | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4430316A | Scrubbing system yielding high concentration of hydrogen sulfide | Emerging Cross-Sectional Technologies | 28 | Expired |
| US3975172A | Recovery of gaseous components from scrubbing liquid | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4324567A | Separation of gaseous components from a gaseous mixture by physical scrubbing | Chemistry; Metallurgy | 28 | Expired |
| US4050909A | Process and apparatus for the production of hydrogen and carbon dioxide | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4881960A | Fractionation of a hydrocarbon mixture | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5413627A | Process for the selective removal of inorganic and/or organic sulfur compounds | Chemistry; Metallurgy | 20 | Expired |
| US4780115A | Process for removing undesirable components from gases | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4609384A | Multiple temperature level regeneration of CO.sub.2 from physical solvent | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4332596A | Energy efficient scrubbing of sulfur compounds from moist gaseous mixtures | Performing Operations; Transporting | 15 | Expired |
| US4533373A | Separation of CO.sub.2 and H.sub.2 S from hydrogen containing gas | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4276057A | Process for treating pressurized gases to remove unwanted components | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4478799A | Control of carbon monoxide partial pressure in sour gas absorption system | Chemistry; Metallurgy | 11 | Expired |
| US4690812A | Integrated production of ammonia and urea | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4530827A | Process for the simultaneous removal of H.sub.2 S, SO.sub.2 and elemental sulfur from gaseous mixtures | Chemistry; Metallurgy | 7 | Expired |
| US4797140A | Scrubbing of gas to recover light hydrocarbons | Chemistry; Metallurgy | 6 | Expired |
| US4810267A | Scrubbing of gas to recover light hydrocarbons | Chemistry; Metallurgy | 6 | Expired |
| US4713940A | Process for obtaining C.sub.2+ or C.sub.3+ hydrocarbons from gaseous mixtures | Chemistry; Metallurgy | 6 | Expired |
| US4668488A | Process for the treatment of gases incurred in the manufacture of phosphorus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4938783A | Process for the purification of crude gases with simultaneous production of synthesis gas and fuel gas | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5133954A | Process for regenerating a scrubbing agent loaded with H.sub.2 S and/or COS | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.