D01H 4/32
Using opening rollers
Official title: using opening rollers {(stopping of rovings or slivers D01H13/18)}
D01H4/32 (Using opening rollers) appears on 163 US grants and 40 published applications in this corpus.
Search patents in D01H- Granted patents
- 163
- Published applications
- 40
- Assignees
- 66
- Inventors
- 217
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 1 | 7 |
| 2004 | 4 | 5 |
| 2005 | 8 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fibre band opening device for an open-end spinning device and feed tray for the fibre band opening device12 Jul 2022US 11,384,455 B2Saurer Spinning Solutions GmbH & Co. KG
- Opening roller for an open-end spinning device, and open-end spinning device with the opening roller3 Nov 2020US 10,822,726 B2Maschinenfabrik Rieter AG
- Method and apparatus for producing fibre yarn5 Sep 2017US 9,752,257 B2Spinnova Oy
- Tooth-set carrier and opening cylinder with quick-locking mechanism3 May 2016US 9,328,758 B2Rieter Ingolstadt GmbH
- Method and apparatus for producing fibre yarn26 Apr 2016US 9,322,117 B2Spinnova Oy
- Method for operating a spinning station of a spinning machine, and spinning machine28 Dec 2023US 2023/0416950 A1
- Opening roller housing for an opening roller of an open-end spinning device and open-end spinning device with an opening roller housing12 Jan 2023US 2023/0008607 A1Maschinenfabrik Rieter AG
- Fibre band opening device for an open-end spinning device and feed tray for the fibre band opening device24 Dec 2020US 2020/0399791 A1Saurer Spinning Solutions GmbH & Co. KG
- Fibre guide insert for an opening roller housing30 Jul 2020US 2020/0240049 A1
- Opening roller for an open-end spinning machine and open-end spinning machine13 Jun 2019US 2019/0177883 A1Maschinenfabrik Rieter AG
Most cited
By later US patents
- Break-up roller for open-end spinning machine25US 4,300,265 AReiners & Furst · 1981
- Feeding and opening apparatus for a open-end spinning machine24US 4,098,065 A1978
- Textile combing roller20US 4,296,527 AEadie Bros. & Co. Limited · 1981
- Combing roller18US 4,196,496 AChristoph Burckhardt & Co. · 1980
- Toothed edging means for textile machinery18US 4,394,789 AStaedtler & Uhl · 1983