D01H 4/36
With means for taking away impurities
Official title: with means for taking away impurities
D01H4/36 (With means for taking away impurities) appears on 54 US grants and 6 published applications in this corpus.
Search patents in D01H- Granted patents
- 54
- Published applications
- 6
- Assignees
- 20
- Inventors
- 99
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Method for operating a spinning machine, and spinning machine15 Feb 2022US 11,248,315 B2Maschinenfabrik Rieter AG
- Adapter for a trash removal opening of an open end spinning machine29 Jul 2008US 7,404,285 B2Maschinenfabrik Rieter AG
- Suction-air system of a textile machine13 Nov 2001US 6,317,645 B1W. Schlafhorst AG & Co.
- Trash removal method and apparatus for an open end spinning machine25 Sep 2001US 6,293,082 B1
- Method for operating a spinning station of a spinning machine, and spinning machine28 Dec 2023US 2023/0416950 A1
- Spinning machine comprising a plurality of adjacently arranged workstations and a displaceable service unit comprising a pneumatic working element and method for supplying the pneumatic working element with vacuum4 Feb 2021US 2021/0032781 A1Maschinenfabrik Rieter AG
- Method for Operating a Spinning Machine, and Spinning Machine23 Apr 2020US 2020/0123681 A1Maschinenfabrik Rieter AG
- Adapter for a trash removal opening of an open end spinning machine14 Dec 2006US 2006/0277893 A1Maschinenfabrik Rieter AG
- Adapter for a trash removal opening of an open end spinning machine3 Feb 2005US 2005/0022496 A1Maschinenfabrik Rieter AG
Most cited
By later US patents
- Open-end spinning machine having spinning units with removal opening for impurities21US 4,038,812 A1977
- Method of and apparatus for removing dirt particles from staple fibers and for straightening said fibers in an open-end spinning process13US 4,249,370 AVyzkumny ustav bavlnarsky · 1981
- Method and apparatus for pneumatically removing fiber and trash waste on open-end spinning machines12US 3,986,328 AParks-Cramer (Great Britain), Ltd. · 1976
- Method and apparatus for cleaning fibrous material12US 4,201,037 ASchubert & Salzer · 1980
- Feeding and opening device for an open-end spinning machine12US 4,590,757 A1986