D01H 4/38
Channels for feeding fibres to the yarn forming region
D01H4/38 (Channels for feeding fibres to the yarn forming region) appears on 62 US grants and 24 published applications in this corpus.
Search patents in D01H- Granted patents
- 62
- Published applications
- 24
- Assignees
- 25
- Inventors
- 97
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 1 |
| 2007 | 1 | 5 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multifunctional nozzle for a spinning machine14 Jan 2025US 12,195,885 B2Saurer Spinning Solutions GmbH & Co. KG
- Fiber processing device and fiber body manufacturing apparatus8 Nov 2022US 11,492,729 B2Seiko Epson Corporation
- 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.
- Air-jet type spinning device24 Mar 2020US 10,597,799 B2Savio Macchine Tessili S.p.A.
- Channel plate adapter and open-end spinning device with a channel plate adapter1 Jan 2019US 10,167,577 B2Maschinenfabrik Rieter AG
- 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
- Fiber processing device and fiber body manufacturing apparatus1 Apr 2021US 2021/0095400 A1Seiko Epson Corporation
- Textile machine17 Dec 2020US 2020/0392651 A1
- Drawing and spinning apparatus and method of mixed yarns for air spinning machines with multiple feeds20 Aug 2020US 2020/0263328 A1Savio Macchine Tessili S.p.A.
Most cited
By later US patents
- Open-end spinning device16US 5,111,651 A1992
- Spinning device12US 6,209,304 B1W. Schlafhorst AG & Co. · 2001
- Apparatus for supplying oriented fibers to a spinning rotor inner wall in an open-end spinning device10US 3,956,876 ASchubert & Salzer Maschinenfabrik Aktiengesellschaft · 1976
- Fiber feed arrangement for open-end friction spinning10US 4,570,434 A1986
- Spinning unit in open-end spinning machine9US 4,879,873 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1989