D01H 7/02
Spinning or twisting arrangements: for imparting permanent twist
Official title: for imparting permanent twist
D01H7/02 (Spinning or twisting arrangements: for imparting permanent twist) appears on 394 US grants and 100 published applications in this corpus.
Search patents in D01H- Granted patents
- 394
- Published applications
- 100
- Assignees
- 175
- Inventors
- 491
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 12 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 6 | 0 |
| 1981 | 19 | 0 |
| 1982 | 15 | 0 |
| 1983 | 13 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 3 |
| 2002 | 6 | 3 |
| 2003 | 2 | 6 |
| 2004 | 3 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 5 |
| 2007 | 3 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 5 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 2 | 11 |
| 2018 | 4 | 3 |
| 2019 | 7 | 9 |
| 2020 | 9 | 7 |
| 2021 | 5 | 4 |
| 2022 | 7 | 7 |
| 2023 | 5 | 3 |
| 2024 | 4 | 7 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01H 7/52Ring-and-traveller arrangements117
- D01H 7/04Spindles113
- D01H 7/86Multiple-twist arrangements97
- D01H 7/24Flyer or like arrangements33
- D01H 7/90Arrangements with two or more spinning or twisting devices of different types23
- D01H 7/88Hollow-spindle arrangements16
- D01H 7/66Cap arrangements8
- D01H 7/74Cup or like arrangements2
Recent patents
- Method for providing component information at a textile machine component, and textile machine component1 Sep 2026US 12,722,933 B2Saurer Spinning Solutions GmbH & Co. KG
- Spinning or twisting ring, and ring/traveler system13 Jan 2026US 12,522,954 B2Bracker AG
- Yarn spinning and/or twisting machine16 Sep 2025US 12,416,107 B2Casumconi, S.L.
- Workstation of a two-for-one twisting or cabling machine for the production of carpet yarn26 Aug 2025US 12,398,492 B2Saurer Technologies GmbH & Co. KG
- Ring for a ring-spinning or ring-twisting machine27 May 2025US 12,312,713 B2Bracker AG
- Device for twisting roving threads intended for the periodic profile of frp composite reinforcement23 Jul 2026US 2026/0210002 A1Limited Liability Company Composite Group Chelyabinsk
- Autonomous Artificial Muscle Fiber Coiler System and Method of Use11 Sep 2025US 2025/0282574 A1
- Spinning or twisting ring, and ring/traveler system31 Jul 2025US 2025/0243609 A1Bracker AG
- Method and apparatus for producing a yarn18 Jul 2024US 2024/0240367 A1SüDwolle GmbH & Co. KG
- Method for providing component information at a textile machine component, and textile machine component13 Jun 2024US 2024/0190681 A1Saurer Spinning Solutions GmbH & Co. KG
Most cited
By later US patents
- Process for producing a twisted yarn36US 4,484,436 AToray Industries, Inc. · 1984
- Method and apparatus for increasing the winding speed of an automatic winding machine34US 4,781,334 A1988
- Pneumatically operated yarn threading mechanisms for textile yarn processing machine23US 3,975,893 APalitex Project Company GmbH · 1976
- Noise reducing spindle washers22US 4,067,184 ACoats & Clark, Inc. · 1978
- Package feeding method and apparatus20US 4,848,077 AMurata Kikai Kabushiki Kaisha · 1989