Issued Patents All Time
Showing 201–225 of 252 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617790 | Process and apparatus for piecing a yarn at a spinning unit of an open-end friction spinning machine | — | 1986-10-21 |
| 4612762 | Cleaning arrangement for open-end friction spinning machines | — | 1986-09-23 |
| 4612763 | Pressurized air cleaning arrangement for an open-end friction spinning machine | — | 1986-09-23 |
| 4612764 | Conditioning arrangement for open-end friction spinning machine | Hans Stahlecker | 1986-09-23 |
| 4607485 | Feed arrangement for an open-end friction spinning machine | — | 1986-08-26 |
| 4606187 | Fiber feeding air flow arrangement for open-end friction spinning | — | 1986-08-19 |
| 4606186 | Auxiliary roller drive for open-end friction spinning machine | — | 1986-08-19 |
| 4606184 | Arrangement for stopping and starting an open-end friction spinning unit | Hans Stahlecker | 1986-08-19 |
| 4598539 | Yarn piecing arrangement for an open-end friction spinning machine | Hans Stahlecker | 1986-07-08 |
| 4592114 | Drafting roller arrangement for spinning machines | — | 1986-06-03 |
| 4592198 | Suction control arrangement for an open-end friction spinning machine | — | 1986-06-03 |
| 4590757 | Feeding and opening device for an open-end spinning machine | — | 1986-05-27 |
| 4590756 | Open-end friction spinning | — | 1986-05-27 |
| 4584832 | Fiber feed channel arrangement for open-end friction spinning | — | 1986-04-29 |
| 4574581 | Fiber feed arrangement for friction spinning | — | 1986-03-11 |
| 4574583 | Opening roller arrangement | Rolf Griesinger, Gerhard Fetzer | 1986-03-11 |
| 4574577 | Driving arrangement for a spinning rotor of an open-end spinning machine | Josef Derichs | 1986-03-11 |
| 4571933 | Open-end friction spinning machine having a plurality of spinning units | — | 1986-02-25 |
| 4571932 | Friction spinning roller arrangement | Hans Stahlecker | 1986-02-25 |
| 4570435 | Fiber feed channel arrangement for an open-end friction spinning machine | — | 1986-02-18 |
| 4570434 | Fiber feed arrangement for open-end friction spinning | — | 1986-02-18 |
| 4570430 | Yarn piecing arrangement for an open-end friction spinning machine | — | 1986-02-18 |
| 4567722 | Fiber feed arrangement for open-end friction spinning machines | — | 1986-02-04 |
| 4563872 | Start spinning arrangement for an open end friction spinning machine | — | 1986-01-14 |
| 4563871 | Yarn piecing method and apparatus | Hans Stahlecker | 1986-01-14 |