D01G 9/20
Framework
Official title: Framework; Casings; Coverings; Grids
D01G9/20 (Framework) appears on 25 US grants and 5 published applications in this corpus.
Search patents in D01G- Granted patents
- 25
- Published applications
- 5
- Assignees
- 11
- Inventors
- 46
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 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 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Module for a fiber preparation machine and fiber preparation machine17 Jun 2025US 12,331,431 B2Maschinenfabrik Rieter AG
- Secondary impurity-removal recycling system for refining cotton4 Oct 2022US 11,459,675 B2Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Cotton gin for pneumatic cotton harvesting machine19 Mar 2019US 10,233,567 B2
- Arrangement on a spinning preparation machine, in particular a card, with a machine casing29 Aug 2006US 7,096,541 B2Trutzschler GmbH & Co. KG
- Apparatus for removing foreign material from a fiber processing line9 Oct 2001US 6,298,522 B1Trutzschler GmbH & Co. KG
- Fiber opening apparatus11 Jun 2026US 2026/0159996 A1Profile Products L.L.C.
- Module for a fiber preparation machine and fiber preparation machine1 Sep 2022US 2022/0275540 A1Maschinenfabrik Rieter AG
- Secondary impurity-removal recycling system for refining cotton10 Feb 2022US 2022/0042211 A1Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Cotton gin for pneumatic cotton harvesting machine20 Jul 2017US 2017/0204535 A1
- Arrangement on a spinning preparation machine, in particular a card, with a machine casing8 Apr 2004US 2004/0065046 A1Trutzschler GmbH & Co. KG
Most cited
By later US patents
- Lag or stave assembly for Kirschner beaters18US 4,270,245 AWm. R. Stewart & Sons (Hacklemakers) Limited · 1981
- Apparatus for removing impurities from fibrous material14US 4,135,276 ASchubert & Salzer · 1979
- Process and apparatus for eliminating dust from fiber material10US 4,700,431 ASchubert & Salzer · 1987
- Integral common duct with suction hoods for waste removal10US 5,255,415 ATrutzschler GmbH & Co. KG · 1993
- Apparatus for cleaning textile fiber material8US 4,890,357 AHergeth Hollingsworth GmbH · 1990