Ferdinand Althausen
39Patents
11h-index
26Co-inventors
75Inventor score
Filing activity: May 1, 1972 → Jul 20, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4089206A | Method and apparatus for measuring the proportion of undissolved gas in a liquid component for the production of foam materials | Performing Operations; Transporting | 25 | Expired |
| US4452917A | Process and a mixing head for the production of a reaction mixture comprising at least two flowable reaction components | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4474310A | Apparatus for producing a reaction mixture | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4378335A | Device for producing a solid-forming or foaming flowable reaction mixture | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5451376A | Process and apparatus for reprocessing polyurethane foam wastes, in particular flexible foam wastes, for recycling as additives in the production of polyurethane | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4582224A | Nozzle for mixing at least two flowable reaction components | Performing Operations; Transporting | 16 | Expired |
| US6147133A | Process and device for producing foam using carbon dioxide dissolved under pressure | Performing Operations; Transporting | 15 | Expired |
| US4749554A | Nozzle for mixing flowable reaction components | Performing Operations; Transporting | 12 | Expired |
| US3942925A | Apparatus for continuous production of elongated foam plastics blocks | Performing Operations; Transporting | 12 | Expired |
| US5547276A | Method and apparatus for continuously dispersing fine particle-sized solids in a liquid | Performing Operations; Transporting | 12 | Expired |
| US4764536A | Process and apparatus for the preparation of a free-flowing mixture made of free-flowing components which reacts to form foam | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6019919A | Process for foam production using carbon dioxide dissolved under pressure | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6261486A | Process and device for the production of polyurethane moldings by the shot process | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4108585A | Apparatus for the continuous production of foam plastic blocks of rectangular cross-section | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5312596A | Mixhead for mixing at least two free-flowing reaction components | Performing Operations; Transporting | 7 | Expired |
| US6065862A | High-pressure mixing head | Performing Operations; Transporting | 7 | Expired |
| US5346673A | Device and process for the production of a reaction mixture from at least two flowable reaction components | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4389375A | Apparatus for producing a reaction mixture of fluid components forming a foam or solid material | Performing Operations; Transporting | 6 | Expired |
| US4105045A | Device for mixing liquid reaction components | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5000882A | Apparatus for the preparation of a free-flowing mixture of free-flowing components which reacts to form foam | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4309373A | Process for filling cavities with flowable reaction mixtures | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4150075A | Process for the continuous production of foam plastic blocks having a rectangular cross-section | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4895503A | Device to produce molded plastic parts from a flowable reaction mixture | Performing Operations; Transporting | 4 | Expired |
| US5643970A | Method and apparatus for foam manufacture using carbon dioxide dissolved under pressure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5840778A | Process and device for producing foam using carbon dioxide dissolved under pressure | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.