Heinz Gresch
16Patents
12h-index
7Co-inventors
63Inventor score
Filing activity: Aug 15, 1975 → Apr 9, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4201751A | Gas purification | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4061476A | Gas purification method and apparatus | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4206186A | Refuse pyrolysis | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4297117A | Respiratory device for catastrophic fires and/or smog weather conditions | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4123502A | Process for the purification of gas generated in the pressure gasification of coal | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4080428A | Process for the purification of flue and other waste gas | Chemistry; Metallurgy | 22 | Expired |
| US4366132A | Method of and apparatus for the chemisorptive scrubbing of waste gases | Performing Operations; Transporting | 19 | Expired |
| US4222993A | Removal of noxious contaminants from gas | Chemistry; Metallurgy | 19 | Expired |
| US4270326A | Fireproof door for hotels, skyscrapers and the like | Fixed Constructions | 18 | Expired |
| US4305168A | Hospital bed | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4295868A | Filter for cleaning hot gases | Performing Operations; Transporting | 14 | Expired |
| US4388281A | Noxious-component removal from flue gas and compositions useful therefor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4255195A | Compositions containing silicon dioxide | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4257191A | Moisture reservoir for fertile soils for plants | Human Necessities | 9 | Expired |
| US4335708A | Solar collector | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4432776A | Process for filtering separators in dry chemisorption | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.