Issued Patents All Time
Showing 151–175 of 252 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858421 | Arrangement for pneumatic false-twist spinning | — | 1989-08-22 |
| 4854119 | Arrangement for open-end rotor spinning | Hans Stahlecker, Wolfgang Feuchter | 1989-08-08 |
| 4854523 | Twisted yarn feed spool and process for producing same | Hans Stahlecker | 1989-08-08 |
| 4835957 | Open-end spinning machine | Hans Stahlecker | 1989-06-06 |
| 4833757 | Mounting for an opening roller | — | 1989-05-30 |
| 4833874 | Yarn package exchange device and apparatus for spinning machines for double prestrengthened yarn | Dieter Lauschke | 1989-05-30 |
| 4831816 | Process and an arrangement for producing two yarn components respectively | — | 1989-05-23 |
| 4819419 | Arrangement for pneumatic false-twist spinning | Hans Stahlecker | 1989-04-11 |
| 4819422 | Arrangement for winding a double yarn onto a cross-wound spool | Hans Stahlecker | 1989-04-11 |
| 4805395 | Opening roller for an opening device of an open-end spinning machine | Hans Stahlecker, Gerhard Fetzer, Eugen Bader | 1989-02-21 |
| 4796421 | Arrangement for open-end rotor spinning | Hans Stahlecker | 1989-01-10 |
| 4790130 | Spinning unit piecing process for producing feed spools | Hans Stahlecker | 1988-12-13 |
| 4787198 | Open-end friction spinning machine | — | 1988-11-29 |
| 4785619 | Apparatus for producing a staple fiber yarn | Hans Stahlecker | 1988-11-22 |
| 4785618 | Method for operating an open-end friction spinning machine | — | 1988-11-22 |
| 4774806 | Control means for an open-end spinning machine | — | 1988-10-04 |
| 4773211 | Arrangement for open-end spinning | Hans Raasch, Heinz-Georg Wassenhoven | 1988-09-27 |
| 4769983 | Roller for an open-end friction spinning arrangement | Hans Stahlecker | 1988-09-13 |
| 4768336 | Arrangement for pneumatic false-twist spinning | Hans Stahlecker | 1988-09-06 |
| 4768337 | Process and arrangement for producing feed spools for a twisting operation | Hans Stahlecker | 1988-09-06 |
| 4763469 | Open-end rotor spinning arrangement | Hans Stahlecker | 1988-08-16 |
| 4761946 | Arrangement for the prestrengthening of thread components to be twisted together | — | 1988-08-09 |
| 4759176 | Arrangement for open-end friction spinning | — | 1988-07-26 |
| 4757678 | Open-end rotor spinning machine | — | 1988-07-19 |
| RE32670 | Mobile cleaning device for open end friction spinning machines | — | 1988-05-24 |