Lars Ehnstrom
15Patents
9h-index
7Co-inventors
65Inventor score
Filing activity: Jun 25, 1974 → Jan 2, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4460687A | Fermentation method | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4552775A | Process for the production of animal feed stuff from a liquid residue obtained by fermentation and distillation of grain raw material | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4950401A | Centrifugal separator | Performing Operations; Transporting | 34 | Expired |
| US4287303A | Production of ethanol | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4376163A | Process for producing ethanol by continuous fermentation of polysaccharide-containing raw materials | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4778444A | Rotatable supply and discharge conduit of a centrifugal separator | Performing Operations; Transporting | 29 | Expired |
| US3940492A | Continuous fermentation process | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6248053A | Centrifugal separator comprising tubular elements | Performing Operations; Transporting | 24 | Expired |
| US5700378A | Method and apparatus for gravitational separation of fine articles from a liquid | Performing Operations; Transporting | 14 | Expired |
| US6500344B1 | Method and apparatus for filtering particles out of a liquid | Performing Operations; Transporting | 9 | Expired |
| US4634416A | Outlet arrangement for a centrifugal separator | Performing Operations; Transporting | 6 | Expired |
| US6083147A | Apparatus and method for discontinuous separation of solid particles from a liquid | Performing Operations; Transporting | 5 | Expired |
| US4662866A | Arrangement for controlling discharge of a separated component from a centrifuge | Performing Operations; Transporting | 5 | Expired |
| US4356932A | Casing for rotary machine | Performing Operations; Transporting | 3 | Expired |
| US4662867A | Outlet arrangement for centrifuges | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.