D01G 9/08
Opening or cleaning fibres: by means of air draught arrangements
Official title: by means of air draught arrangements
D01G9/08 (Opening or cleaning fibres: by means of air draught arrangements) appears on 59 US grants and 23 published applications in this corpus.
Search patents in D01G- Granted patents
- 59
- Published applications
- 23
- Assignees
- 31
- Inventors
- 104
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 0 | 4 |
| 2020 | 2 | 0 |
| 2021 | 2 | 1 |
| 2022 | 3 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for preparing an insulation product made from wool, in particular mineral wool14 Oct 2025US 12,442,201 B2Saint-Gobain Isover
- Method for preparing an insulating product based on wool, in particular mineral wool1 Jul 2025US 12,344,977 B2Saint-Gobain Isover
- Method for producing raw cotton of machine-harvested long-staple cotton with modal length of greater than or equal to 35MM4 Feb 2025US 12,213,411 B2Awati Xinya Cotton Industry Co., Ltd.
- Fiber combination3 Sep 2024US 12,077,647 B2Bedgear, LLC
- Recording of trash in a fiber preparation system7 May 2024US 11,976,388 B2Maschinenfabrik Rieter AG
- Device for preparing an insulating product based on wool, in particular mineral wool14 Aug 2025US 2025/0257507 A1Saint-Gobain Isover
- Fiber combination28 Nov 2024US 2024/0392090 A1Bedgear, LLC
- Method for producing raw cotton of machine-harvested long-staple cotton with modal length of greater than or equal to 35mm7 Mar 2024US 2024/0074354 A1Awati Xinya Cotton Industry Co., Ltd.
- Method for preparing an insulating product based on wool, in particular mineral wool20 Apr 2023US 2023/0123336 A1Saint-Gobain Isover
- Device for preparing an insulation product made from wool, in particular mineral wool19 Jan 2023US 2023/0020345 A1Saint-Gobain Isover
Most cited
By later US patents
- Multi-filament split-yarn sheet and method and device for the manufacture thereof29US 6,032,342 AFukui Prefecture · 2000
- Process for coating a web26US 4,209,557 AImperial Chemical Industries PLC · 1980
- Vapor condenser and lint humidifier system21US 4,140,503 A1979
- Method and device for opening and cleaning fiber material21US 5,343,597 AHergeth Hollingsworth GmbH · 1994
- Cleaning and dust removal machine18US 4,198,725 ATrutzschler GmbH & Co. KG · 1980