Issued Patents All Time
Showing 1–25 of 146 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005602 | Method for producing wood fiberboards | Sabine Both, Achim Fessenbecker | 2024-06-11 |
| 11624153 | Method of increasing the throughput and/or decreasing energy usage of a pulping process | John Andrew Randolph, Laurence Rys, Achim Fessenbecker | 2023-04-11 |
| 10968295 | Acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution | Achim Fessenbecker, Steffen Henkes, Massimiliano Bordignon, Vandana Kurkal-Siebert, Laszlo Szarvas +1 more | 2021-04-06 |
| 10875944 | Method for producing acrylic acid polymers | Johannes Barth, Gledison Fonseca, Dieter Faul, Martin Ernst, Juergen Detering +1 more | 2020-12-29 |
| 10337144 | Method for processing cellulose-containing biomass | Frank Rittig, Stefan Koch, Alois Kindler, Michael Koch, Vaidotas Navickas +1 more | 2019-07-02 |
| 10316106 | Method for processing cellulose-containing biomass | Frank Rittig, Stefan Koch, Alois Kindler, Michael Koch, Vaidotas Navickas +1 more | 2019-06-11 |
| 6584651 | Device for increasing the specific weight of fiber material in a carding machine | Bernhard Rubenach | 2003-07-01 |
| 6289599 | Apparatus for measuring the thickness of sliver bundle formed of a plurality of side-by-side running slivers | Josef Temburg | 2001-09-18 |
| 6249935 | Apparatus for removing foreign material from a fiber processing line | — | 2001-06-26 |
| 6223609 | Apparatus for measuring the thickness and/or irregularities of a running sliver | Pedro Corrales | 2001-05-01 |
| 6223398 | Web heating device for a fiber processing machine | — | 2001-05-01 |
| 6216318 | Feed tray assembly for advancing fiber material in a fiber processing machine | — | 2001-04-17 |
| 6167593 | Apparatus for varying the depth of a chute in a fiber feeder | — | 2001-01-02 |
| 6163931 | Feeding device for advancing fiber material to a fiber processing machine | — | 2000-12-26 |
| 6119312 | Device mounted on a spinning preparation machine, such as carding machine, a draw frame or the like, for guiding and compressing a sliver bundle | — | 2000-09-19 |
| 6088882 | Regulated sliver drawing unit having at least one drawing field and method of regulation | — | 2000-07-18 |
| 6085390 | Device for adjusting the distance between a roll and a stationary carding segment in a fiber processing machine | — | 2000-07-11 |
| 6061877 | Clothing for a roll advancing fiber material | Armin Leder | 2000-05-16 |
| 6024206 | Closed-circuit coiler can conveyor system between two drawing frames | — | 2000-02-15 |
| 5989110 | Flexible roll for removing material from components of a fiber processing machine | — | 1999-11-23 |
| 5983456 | Sliver guiding device for a fiber processing machine | — | 1999-11-16 |
| 5974631 | Apparatus for making a fiber batt | — | 1999-11-02 |
| 5974629 | Method and apparatus for measuring fiber length and nep number in a carding machine | Stefan Schlichter | 1999-11-02 |
| 5930870 | Measuring fiber length at input and output of a fiber processing machine | Stefan Schlichter | 1999-08-03 |
| 5918349 | Carding machine including a device for adjusting the distance between flat bars and carding cylinder | Bernhard Kohnen | 1999-07-06 |