Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419016 | Casing of a card including suction openings | — | 1995-05-30 |
| 5361458 | Apparatus for controlling machines for cleaning of fibers | Robert Demuth | 1994-11-08 |
| 5355561 | Method and apparatus for measuring a characteristic of a fiber structure, such as a fiber composite or a sliver | — | 1994-10-18 |
| 5323513 | Safety apparatus for a traveling unit of a textile machine and method of operating the textile machine | Rolf Binder, Daniel Hanselmann, Peter Anderegg, Walter Schlepfer, Martin Kyburz +3 more | 1994-06-28 |
| 5289381 | Method and apparatus for continuously determining the fineness of fibers in slivers | Robert Demuth, Robert Moser | 1994-02-22 |
| 5282141 | Method of blending textile fibers | Roger Alther, Robert Moser, Robert Demuth | 1994-01-25 |
| 5257438 | Dosing method and apparatus for the delivery of predeterminate quantities of fiber flocks per unit of time | Peter Brutsch, Robert Demuth | 1993-11-02 |
| 5247721 | Grid for the opening roll of a spinning machine | Robert Demuth, Lukas Hiltbrunner | 1993-09-28 |
| 5237727 | Adjustable cleaning of fibers in a spiralled air path and apparatus | Paul Staheli, Rene Schmid, Ulf Schneider, Peter Anderegg, Robert Demuth +2 more | 1993-08-24 |
| 5224243 | Cleaning line with false air infeed valve for regulating air flow therein | Walter Schlepfer, Werner Hauschild, Rene Waeber, Robert Demuth | 1993-07-06 |
| 5211708 | Fiber bale opening apparatus | Alfred Rentsch, Daniel Hanselmann | 1993-05-18 |
| 5181295 | Method of controlling machines for cleaning of fibers | Robert Demuth | 1993-01-26 |
| 5168602 | Opening roller having inclined beater elements for opening and cleaning machine | Rene Schmid, Robert Demuth | 1992-12-08 |
| 5159189 | Method and apparatus for measuring the natural color of slivers | Peter Anderegg, Robert Moser | 1992-10-27 |
| 5143485 | Transport air control | Christoph Staheli, Robert Demuth, Robert Moser | 1992-09-01 |
| 5136155 | Bale removal machine with sensory control protective mechanism | Martin Kyburz, Thomas Gloor, Jost Aebli, Daniel Hanselmann | 1992-08-04 |
| 5123145 | Method and apparatus for the fine cleaning of textile fibers | Heinz Schelb, Paul Staheli, Ulf Schneider, Robert Demuth, Bohler Rolf | 1992-06-23 |
| 5123144 | Method and apparatus for establishing whether fiber material is contaminated with foreign objects | Robert Demuth | 1992-06-23 |
| 5121523 | Metering method and metering apparatus for dispensing predeterminable quantities of fiber flocks | Peter Brutsch, Paul Staheli, Robert Demuth | 1992-06-16 |
| 5054166 | Adjustable textile card element and method of use | Robert Demuth, Peter Fritzsche, Rene Waeber, Paul Staheli | 1991-10-08 |
| 5044045 | Method of, and apparatus for, extracting fiber flocks from fiber bales | Robert Demuth, Peter Brutsch, Paul Staheli, Janusz Konaszweski | 1991-09-03 |
| 5025533 | Method of blending textile fibers | Eduard Nuessli, Christof Grundler, Paul Staheli, Daniel Hanselmann, Robert Demuth +2 more | 1991-06-25 |