Ulrich Premel
15Patents
6h-index
15Co-inventors
55Inventor score
Filing activity: Jul 13, 1982 → Dec 7, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4463686A | Apparatus for removal of ash and slag | Chemistry; Metallurgy | 10 | Expired |
| US4721065A | Process and apparatus for cooling hot process gas from a pressure gasification reactor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4478608A | Method of treating process gases coming from a gasification reactor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4478606A | Substantially vertical apparatus for cooling process gases originating from a gasification process | Chemistry; Metallurgy | 8 | Expired |
| US4457764A | Two-stage gasifier | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4841917A | Radiation cooling unit for cooling dust-laden gases | Chemistry; Metallurgy | 7 | Expired |
| US4457361A | Connection element for the transfer of knock- or impact-energy upon heating or cooling surfaces to be cleaned and located in a pressure vessel | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4859214A | Process for treating syngas using a gas reversing chamber | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4734110A | Method and apparatus for removing solids from pressurized process system | Chemistry; Metallurgy | 5 | Expired |
| US4803957A | Gas/liquid heat exchanger | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4564067A | Waste-heat tank | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4694782A | Process and apparatus for producing high-pressure and superheated steam | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4538676A | Gas liquid parallel flow direct current heat exchanger | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4731937A | Process and apparatus for the dry sluicing of grit, slag or sediments from pressurized systems | Chemistry; Metallurgy | 2 | Expired |
| US5038856A | Arrangement for the protection of tube sections of platen-like heat-transfer surfaces disposed in a gas conduit against wear by gases laden with solid particles | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.