D02G 1/04
Devices for imparting false twist
D02G1/04 (Devices for imparting false twist) appears on 231 US grants and 49 published applications in this corpus.
Search patents in D02G- Granted patents
- 231
- Published applications
- 49
- Assignees
- 104
- Inventors
- 296
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 32 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 19 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 4 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 4 | 4 |
| 2021 | 2 | 5 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 4 | 2 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a multi-ply separable filament yarns and multi-ply separable textured yarn31 Mar 2026US 12,590,388 B2
- Method for preparing full-dull cotton-like polyester fibers24 Feb 2026US 12,559,870 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Device for controlling yarn feeding tension of false-twist texturing machine10 Feb 2026US 12,546,034 B2Jiangsu Xinzhanjiang Fiber Technology Co., Ltd.
- Method for manufacturing a multi-ply separable filament yarns and multi-ply separable textured yarn22 Oct 2024US 12,123,112 B2
- Method for manufacturing a multi-ply separable filament yarns and multi-ply separable textured yarn24 Sep 2024US 12,098,483 B2
- Device for controlling yarn feeding tension of false-twist texturing machine6 Nov 2025US 2025/0341032 A1Jiangsu Xinzhanjiang Fiber Technology Co., Ltd.
- Method for preparing full-dull cotton-like polyester fibers20 Feb 2025US 2025/0059684 A1Jiangsu Hengli Chemical Fibre Co., Ltd.
- Friction disc, race, use of a race, false twisting device, use of a friction disc and method for changing a race of a friction disc25 Jul 2024US 2024/0247413 A1Rieter Components Germany GmbH
- Process and apparatus for producing a voluminous nonwoven fabric2 May 2024US 2024/0141570 A1FARE' S.P.A. a socio unico
- Biodegradable glove and a preparation method thereof9 Nov 2023US 2023/0357964 A1Molyvivi (Shanghai) Clothing Technology Co., Ltd.
Most cited
By later US patents
- Partially oriented poly(trimethylene terephthalate) yarn29US 6,287,688 B1E. I. Du Pont de Nemours and Company · 2001
- Spinning apparatus for spun yarn28US 4,112,658 AMurata Kikai Kabushiki Kaisha · 1978
- Threading method and threading devices for disc-type friction twisters22US 4,149,366 ABayer Aktiengesellschaft · 1979
- Apparatus for false twisting yarn22US 4,339,915 ABarmag Barmer Maschinenfabrik AG · 1982
- False twisting apparatus21US 4,144,700 AMurata Kikai Kabushiki Kaisha · 1979