D01H 9/04
Doffing arrangements integral with spinning or twisting machines
D01H9/04 (Doffing arrangements integral with spinning or twisting machines) appears on 59 US grants and 8 published applications in this corpus.
Search patents in D01H- Granted patents
- 59
- Published applications
- 8
- Assignees
- 25
- Inventors
- 110
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Battery powered level wind system for spinning and processing fiber for yarn22 Apr 2025US 12,281,415 B2
- Method for operating a textile machine producing cross-wound packages, and a textile machine producing cross-wound packages14 Jan 2025US 12,195,297 B2Saurer Spinning Solutions GmbH & Co. KG
- Twisting machine for automatic donning19 Nov 2024US 12,146,243 B2Yichang Jingwei Textile Machinery Co., Ltd.
- Doffer device having a double gripper for a spinning machine23 Mar 2021US 10,954,610 B2Maschinenfabrik Rieter AG
- Method for operating a textile machine, and textile machine for producing roving16 Jun 2020US 10,683,188 B2Maschinenfabrik Rieter AG
- Twisting machine for automatic donning18 Apr 2024US 2024/0125010 A1Yichang Jingwei Textile Machinery Co., Ltd.
- Method for operating a textile machine producing cross-wound packages, and a textile machine producing cross-wound packages3 Nov 2022US 2022/0348435 A1Saurer Spinning Solutions GmbH & Co. KG
- Battery Powered Level Wind System for Spinning and Processing Fiber for Yarn29 Apr 2021US 2021/0123165 A1
- Doffer Device having a Double Gripper for a Spinning Machine15 Nov 2018US 2018/0327936 A1Maschinenfabrik Rieter AG
- Method for Doffing for a Spinning Machine and a Corresponding Doffer23 Aug 2018US 2018/0237959 A1Maschinenfabrik Rieter AG
Most cited
By later US patents
- Method for simultaneously changing bobbins in a fly frame and apparatus for carrying out the method15US 4,369,621 AHowa Kogyo Kabushiki Kaisha · 1983
- Method and apparatus for automatically doffing cops and replacing them with empty tube in a roving frame10US 4,757,679 AFratelli Marzoli & C. S.p.A. · 1988
- Methods and apparatus for changing bobbins in flyer spinning frames8US 4,313,299 AZinser Textilmaschinen GmbH · 1982
- Flyer doffer for automatically replacing full roving bobbins with empty roving bobbins8US 4,805,352 AZinser Textilmaschinen GmbH · 1989
- Roving frame and method8US 5,222,350 APlatt Saco Lowell Limited · 1993