Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319830 | Cleaning machine for textile fibers | — | 1994-06-14 |
| 5295284 | Ultra-high performance carding machine | Robert Demuth, Kurt Weber, Peter Fritzsche | 1994-03-22 |
| 5237727 | Adjustable cleaning of fibers in a spiralled air path and apparatus | Jurg Faas, Rene Schmid, Ulf Schneider, Peter Anderegg, Robert Demuth +2 more | 1993-08-24 |
| 5142741 | Carding elements with variably inclined teeth for working textile fibers and method | Robert Demuth, Peter Fritzsche, Eduard Nüssli | 1992-09-01 |
| 5142742 | Main cylinder casing segment | Daniel Erni | 1992-09-01 |
| 5123145 | Method and apparatus for the fine cleaning of textile fibers | Heinz Schelb, Ulf Schneider, Jurg Faas, Robert Demuth, Bohler Rolf | 1992-06-23 |
| 5121523 | Metering method and metering apparatus for dispensing predeterminable quantities of fiber flocks | Peter Brutsch, Robert Demuth, Jurg Faas | 1992-06-16 |
| 5054166 | Adjustable textile card element and method of use | Robert Demuth, Peter Fritzsche, Rene Waeber, Jurg Faas | 1991-10-08 |
| 5044045 | Method of, and apparatus for, extracting fiber flocks from fiber bales | Robert Demuth, Jurg Faas, Peter Brutsch, Janusz Konaszweski | 1991-09-03 |
| 5038440 | Cylinder roller for a textile machine with the cylinder roller having working points | Robert Demuth, Peter Fritzsche, Roland Soltermann | 1991-08-13 |
| 5031278 | Device for the elimination of dirt from a fiber fleece | Robert Demuth | 1991-07-16 |
| 5025533 | Method of blending textile fibers | Jurg Faas, Eduard Nuessli, Christof Grundler, Daniel Hanselmann, Robert Demuth +2 more | 1991-06-25 |
| 5014395 | Apparatus for automatically compensating density or thickness variations of fiber material at textile machines, such as cards, draw frames and the like | Robert Demuth, Peter Fritzsche | 1991-05-14 |
| 4998325 | Card having a transverse conveyor with a trapezoidally cross-sectioned shoulder, for conveying a web laterally away from the card | Giuseppe Verzilli | 1991-03-12 |
| 4993120 | Apparatus and method for preventing permanent impressions in a fiber web delivered from a feed chute during a machine stoppage | — | 1991-02-19 |
| 4955266 | Apparatus for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as for evening the density of thickness variations of fiber material at the infeed of a textile machine | Robert Demuth, Peter Fritzsche | 1990-09-11 |
| 4928353 | Method and means for effecting a controllable change in the production of a fiber-processing machine | Robert Demuth, Rene Waber, Christoph Gründler, Franz Machler | 1990-05-29 |
| 4897897 | Clothing for a cleaning or opening roller | — | 1990-02-06 |
| 4860406 | Method for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as a method for evening the density or thickness variations of fiber material at the infeed of a textile machine | Robert Demuth, Peter Fritzsche | 1989-08-29 |
| 4854011 | Method for automatically compensating density or thickness variations of fiber material at textile machines, such as cards, draw frames and the like | Robert Demuth, Peter Fritzsche | 1989-08-08 |
| 4797979 | Arrangement for supplying a fiber processing machine | Fritz Knabenhans | 1989-01-17 |
| 4696608 | Transport duct for fiber flocks | — | 1987-09-29 |
| 4648754 | Arrangement for transporting fiber flocks | Urs Stahli, Fritz Knabenhaus | 1987-03-10 |
| 4222154 | Fibre flock material feed apparatus for opening rolls | Paul Welti | 1980-09-16 |
| 4184611 | Method of automatically taking in a fibre layer in blow-room machines and apparatus for implementing the method | Rolf Binder | 1980-01-22 |