A47L 9/1418
Impermeable dust collecting bags
Official title: {Impermeable dust collecting bags}
A47L9/1418 (Impermeable dust collecting bags) appears on 79 US grants and 81 published applications in this corpus.
Search patents in A47L- Granted patents
- 79
- Published applications
- 81
- Assignees
- 45
- Inventors
- 156
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 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 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 9 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 4 | 3 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 6 |
| 2022 | 1 | 8 |
| 2023 | 6 | 8 |
| 2024 | 3 | 5 |
| 2025 | 5 | 9 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve arrangement for an industrial dust extractor2 Jun 2026US 12,642,404 B2Husqvarna AB
- Unopenable canister for vacuum cleaner21 Oct 2025US 12,446,745 B2
- Device structure for automatically opening and closing wastewater tank valve of cleaning machine26 Aug 2025US 12,396,603 B2GuangDong Well Technology Co., Ltd
- Closure device, system, particle collecting assembly, and suction device3 Jun 2025US 12,318,059 B2Festool GmbH
- Robotic vacuum cleaner with dirt enclosing member and method of using the same20 May 2025US 12,303,096 B2Omachron Intellectual Property Inc.
- Air treatment unit26 Feb 2026US 2026/0053313 A1Omachron Intellectual Property Inc.
- Dust Collector Bag and Filter13 Nov 2025US 2025/0344919 A1
- Vacuum cleaner station31 Jul 2025US 2025/0241495 A1LG Electronics Inc.
- Surface cleaner and dock24 Jul 2025US 2025/0235060 A1Omachron Intellectual Property Inc.
- starting power source for car battery1 May 2025US 2025/0136061 A1Yuyao Yiheng Automotive Supplies Co., Ltd.
Most cited
By later US patents
- Cleaning machine200US 5,129,125 AKomatsu Zenoah Co. · 1992
- Dual cyclonic vacuum cleaner with disposable liner178US 5,090,976 ANotetry Limited · 1992
- Disposable bin for cyclonic vacuum143US 5,145,499 ANotetry Limited · 1992
- Vacuum cleaner142US 5,135,552 AU. S. Philips Corporation · 1992
- Separation-chamber means116US 4,523,936 A1985