| Patents for D01H 4 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques (4,993) |
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| 08/23/1977 | US4043106 Open-end spinning machine with a travelling maintenance unit |
| 08/16/1977 | US4041688 Bearing means for spinning rotors of an open-end spinning machine |
| 08/16/1977 | US4041687 Device for removing impurities separated from fibers in open end spinning unit |
| 08/16/1977 | US4041685 Process and apparatus for reattachment of a thread in an open-end spinning machine |
| 08/16/1977 | US4041684 Device for automatically joining a thread for spinning |
| 08/09/1977 | US4040243 Electrodes for electrostatic fiber collecting and spinning apparatus |
| 08/02/1977 | US4038812 Open-end spinning machine having spinning units with removal opening for impurities |
| 07/19/1977 | US4036002 Dirt removal in spinning device |
| 07/19/1977 | US4035871 Opening and cleaning apparatus for an open end spinning unit |
| 06/28/1977 | US4031691 Device for reinserting the broken yarn in an open end spinning unit |
| 06/21/1977 | US4030280 Fiber blending, subdividing, and distributing system |
| 06/14/1977 | US4028872 Method and apparatus for producing yarn from fibrous tufts |
| 06/14/1977 | US4028871 Process and apparatus for producing spun yarn |
| 06/07/1977 | US4028136 Method and device for cleansing spinning turbines of a spinning machine |
| 05/24/1977 | US4024699 Sliver resolving apparatus for open-end spinning machines |
| 05/17/1977 | US4023336 Yarn reserve forming and moving apparatus |
| 05/10/1977 | US4022515 Support means for textile spindles and rotors having anti-friction bearings |
| 05/10/1977 | US4022011 Yarn piecing method for open-end spinning machine |
| 05/10/1977 | US4022008 Centrifugal spinning unit and bearing arrangement for the same |
| 05/03/1977 | US4020622 Method and apparatus for a joint start-up and stopping of the spinning positions of an open-end spinning machine |
| 05/03/1977 | US4020621 Method of and apparatus for ending the broken yarn in an open-end spinning system |
| 04/26/1977 | US4019310 Apparatus for digitally monitoring operating parameters of an open-end spinning machine |
| 04/12/1977 | US4016713 Drive for high-speed axles or shafts of spindles |
| 03/30/1977 | US4030279 High-speed spindle holder suspension for open-end spinning machines |
| 03/29/1977 | US4014162 Fiber supply duct for an open-end spinning unit |
| 03/15/1977 | US4011712 Thread drawoff tube for open-end spinning machines |
| 03/01/1977 | US4009562 Method and apparatus for eliminating impurities from an open-end spinning machine |
| 02/22/1977 | US4008562 Apparatus for supplying a staple fiber formation to a fiber separating device of an open-end spinning unit |
| 02/22/1977 | US4008561 Open-end spinning device |
| 02/08/1977 | US4007457 Method of and apparatus for detecting faults in the operation of open-end spinning machines |
| 02/01/1977 | US4005568 Self-cleaning open-end yarn spinning apparatus |
| 01/11/1977 | US4002305 Device for forming a tail wind around a bobbin held by a take-up mechanism of a ringless spinning machine |
| 01/11/1977 | US4002016 Open end spinning apparatus |
| 12/28/1976 | US3999365 Brake device applied to a rotor spindle of an open-end spinning apparatus |
| 12/28/1976 | US3999362 Open end spinning machine |
| 12/28/1976 | US3999250 Method of fiber distribution and ribbon forming |
| 12/21/1976 | US3998040 Method of and apparatus for spinning yarns from staple fibers by an open-end spinning technique |
| 12/21/1976 | US3998039 Method and apparatus for open-end spinning |
| 12/14/1976 | US3996731 Apparatus for conveying and break spinning fibers |
| 11/30/1976 | US3994120 Apparatus for production of yarn from natural and chemical fibres |
| 11/09/1976 | US3990225 Open-end spinning machine |
| 11/09/1976 | US3990224 Open end spinning machine |
| 11/09/1976 | US3990219 Combination structural backbone and air duct |
| 11/02/1976 | US3988881 Device for feeding fibers to units for spinning freed fibers |
| 10/26/1976 | US3987610 Method and apparatus for start-spinning a thread on an open-end spinning unit of an open-end spinning machine |
| 10/19/1976 | US3986332 Thread-draw-off guide attached to a spinning rotor of an open-end spinning unit |
| 10/19/1976 | US3986329 Apparatus for directing fibers in open end spinning machines |
| 10/19/1976 | US3986328 Method and apparatus for pneumatically removing fiber and trash waste on open-end spinning machines |
| 10/19/1976 | US3986327 Separation of dirt from fibers in spinning machine |
| 09/21/1976 | US3981137 Method of spinning textile fibers |
| 09/21/1976 | US3981133 Open-end spinning unit |
| 09/21/1976 | US3981132 Device for supporting a spindle of an open-end spinning apparatus |
| 09/07/1976 | US3978646 Control of break-up roller speed in open-end spinning unit |
| 08/31/1976 | US3977168 Modular open end spinning machine |
| 08/24/1976 | US3975895 Open-end spinning machine with means for supplying a sliver |
| 08/24/1976 | US3975894 Vibration and sound dampening means |
| 08/17/1976 | US3974665 Yarn breakage detection circuitry for knitting machines |
| 08/17/1976 | US3974635 Feed roller for feeding fibers to a combing roller in an open end spinning machine |
| 08/10/1976 | US3973382 Yarn guide device for an open-end spinning machine |
| 08/03/1976 | US3972173 Apparatus for producing spun yarn from textile fibers |
| 08/03/1976 | US3972172 Spinning rotor construction |
| 08/03/1976 | US3972171 Housing construction for open end spinning machines |
| 07/13/1976 | US3968636 Open-end fiber spinning machine |
| 07/13/1976 | US3968542 Beater roll |
| 06/29/1976 | US3965661 Thread drawoff tube for an open-end spinning unit |
| 06/22/1976 | USRE28871 Process and apparatus for spinning staple fibers |
| 06/15/1976 | US3962855 Start-spinning apparatus which travels along an open-end spinning machine |
| 06/01/1976 | US3959961 Apparatus for removing impurities from fibrous material |
| 05/25/1976 | US3958846 Open end spinning spindle |
| 05/25/1976 | US3958403 Open-end spinning unit with fiber guide disc |
| 05/18/1976 | US3956876 Apparatus for supplying oriented fibers to a spinning rotor inner wall in an open-end spinning device |
| 05/04/1976 | US3953961 Method and apparatus for spinning yarns on open-end spinning machines and pneumatically removing fiber and trash waste incident to spinning |
| 04/27/1976 | US3952494 Open-end spinning unit with a spinning rotor |
| 04/27/1976 | US3952493 Apparatus for ringless spinning of fibers |
| 04/27/1976 | US3952491 Open-end spinning frame |
| 04/20/1976 | US3951479 Thrust bearing for open-end spinning rotors |
| 04/20/1976 | US3950929 Method of feeding a sliver into a combing section of an open end spinning machine and a presser therefor |
| 04/20/1976 | US3950926 Open-end spinning machine with a shiftable apparatus for start-spinning |
| 04/06/1976 | US3948452 Open-end spinning machine and method of operating the same |
| 04/06/1976 | US3948031 Duct for feeding fibers to a pneumatic spinning chamber having a stationary whirl |
| 03/23/1976 | US3945188 Method of spinning synthetic textile fibers |
| 03/23/1976 | US3945185 Pneumatic and static electricity open-end spinning method and apparatus therefor |
| 03/23/1976 | US3945183 Method and apparatus for starting a thread in open-end spinning devices |
| 03/16/1976 | US3943691 Open-end spinning apparatus |
| 03/16/1976 | US3943690 Yarn spinning apparatus |
| 03/09/1976 | US3942311 Method and apparatus for start-spinning a thread on an open-end spinning machine |
| 02/24/1976 | US3939638 Method for automatically starting and stopping an open-end spinning machine |
| 02/17/1976 | US3938863 Aerostatic bearing |
| 02/17/1976 | US3938312 Yarn spinning apparatus |
| 02/17/1976 | US3938310 Apparatus for separating fibers in open-end spinning machines |
| 02/17/1976 | US3938306 Spinning and winding of yarns |
| 01/27/1976 | US3934396 Spinning unit operating in accordance with the open-end method |
| 01/06/1976 | US3930356 Method and apparatus for influencing the ambient conditions during open-end spinning |