D01H 4/30
Arrangements for separating slivers into fibres
Official title: Arrangements for separating slivers into fibres; Orienting or straightening fibres {, e.g. using guide-rolls}
D01H4/30 (Arrangements for separating slivers into fibres) appears on 246 US grants and 61 published applications in this corpus.
Search patents in D01H- Granted patents
- 246
- Published applications
- 61
- Assignees
- 83
- Inventors
- 335
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 6 |
| 2003 | 2 | 9 |
| 2004 | 5 | 6 |
| 2005 | 8 | 3 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 3 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 1 |
| 2017 | 3 | 5 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 7 |
| 2021 | 0 | 1 |
| 2022 | 5 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Multifunctional nozzle for a spinning machine14 Jan 2025US 12,195,885 B2Saurer Spinning Solutions GmbH & Co. KG
- Spinning machine comprising a plurality of adjacently arranged workstations and a displaceable maintenance unit with a pneumatic working element and method for supplying the pneumatic working element with vacuum20 Dec 2022US 11,530,496 B2Maschinenfabrik Rieter AG
- Drawing apparatus and method for air spinning machines with multiple feeds19 Jul 2022US 11,390,968 B2Savio Macchine Tessili S.p.A.
- Drawing and spinning apparatus and method of mixed yarns for air spinning machines with multiple feeds12 Jul 2022US 11,384,454 B2Savio Macchine Tessili S.p.A.
- 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
- Sliver feeder and method12 Dec 2024US 2024/0410091 A1Saurer Spinning Solutions GmbH & Co. KG
- Multifunctional nozzle for a spinning machine25 Jan 2024US 2024/0026576 A1Saurer Spinning Solutions GmbH & Co. KG
- Method for operating a spinning station of a spinning machine, and spinning machine28 Dec 2023US 2023/0416950 A1
- Device for individualizing fibers, and spinning device comprising such a device13 Apr 2023US 2023/0115870 A1Saurer Spinning Solutions GmbH & Co. KG
- 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
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
- Open-end spinning machine having spinning units with removal opening for impurities21US 4,038,812 A1977
- Textile combing roller20US 4,296,527 AEadie Bros. & Co. Limited · 1981
- Composite yarn and method for making the same20US 4,698,956 AGentex Corporation · 1987