D01H 4/04
Imparting twist by contact of fibres with a running surface
Official title: imparting twist by contact of fibres with a running surface
D01H4/04 (Imparting twist by contact of fibres with a running surface) appears on 600 US grants and 120 published applications in this corpus.
Search patents in D01H- Granted patents
- 600
- Published applications
- 120
- Assignees
- 138
- Inventors
- 576
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 25 | 0 |
| 1978 | 28 | 0 |
| 1979 | 18 | 0 |
| 1980 | 16 | 0 |
| 1981 | 15 | 0 |
| 1982 | 16 | 0 |
| 1983 | 13 | 0 |
| 1984 | 9 | 0 |
| 1985 | 28 | 0 |
| 1986 | 31 | 0 |
| 1987 | 44 | 0 |
| 1988 | 26 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 24 | 0 |
| 1998 | 25 | 0 |
| 1999 | 30 | 0 |
| 2000 | 25 | 0 |
| 2001 | 13 | 0 |
| 2002 | 6 | 20 |
| 2003 | 9 | 9 |
| 2004 | 10 | 10 |
| 2005 | 7 | 2 |
| 2006 | 4 | 3 |
| 2007 | 5 | 7 |
| 2008 | 3 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 6 |
| 2015 | 1 | 8 |
| 2016 | 3 | 3 |
| 2017 | 7 | 7 |
| 2018 | 5 | 9 |
| 2019 | 4 | 8 |
| 2020 | 7 | 6 |
| 2021 | 8 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 7 |
| 2024 | 4 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Thread draw-off nozzle and open-end spinning device having a thread draw-off nozzle12 Nov 2024US 12,139,824 B2Saurer Spinning Solutions GmbH & Co. KG
- Axial bearing and pole disk for an axial bearing8 Oct 2024US 12,110,615 B2Maschinenfabrik Rieter AG
- Open-end spinning machine, and method and control device for operating an open-end spinning machine of this type18 Jun 2024US 12,012,672 B2Saurer Spinning Solutions GmbH & Co. KG
- Method of producing a yarn and a fabric having the look and feel of natural fibers16 Apr 2024US 11,959,200 B2Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Spinning position with a cleaning nozzle and method of cleaning a yarn forming element5 Dec 2023US 11,834,759 B2Saurer Intelligent Technology AG
- Spinning device, rotor spinning machine, and method for preventing the accumulation of fibres in a spinning device2 Jan 2025US 2025/0003118 A1Saurer Spinning Solutions GmbH & Co. KG
- Design and production of sustainable and biodegradable woven fabric with renewable pla (polylactic acid) fiber4 Jul 2024US 2024/0218570 A1Menderes Tekstil San. Ve Tic. A.S.
- Spinning means for a work station of a textile machine, and textile machine and method for operating a textile machine having a plurality of work stations9 May 2024US 2024/0150941 A1Saurer Spinning Solutions GmbH & Co. KG
- Thread draw-off nozzle and open-end spinning device having a thread draw-off nozzle7 Dec 2023US 2023/0392299 A1Saurer Spinning Solutions GmbH & Co. KG
- Method of power control for a textile machine, power control unit and spinning machine19 Oct 2023US 2023/0332338 A1Saurer Spinning Solutions GmbH & Co. KG
Most cited
By later US patents
- Bearing and drive structure for spinning turbine81US 4,117,359 ATeldix GmbH · 1978
- Axially stabilized magnetic bearing having a permanently magnetized radial bearing80US 5,126,610 AKernforschungsanlage Julich Gesellschaft mit beschrankter Haftung · 1992
- Selective twist filtration roving48US 4,801,383 AMemtec North America Corporation · 1989
- Step bearing housing for an open-end spinning rotor shaft and method of operating same41US 6,190,053 B1Novibra GmbH · 2001
- Spinning process and apparatus39US 4,202,163 ABarmag Barmer Maschinenfabrik AG · 1980