A47L 9/1666
With filtering means
Official title: {with filtering means}
A47L9/1666 (With filtering means) appears on 812 US grants and 1,059 published applications in this corpus.
Search patents in A47L- Granted patents
- 812
- Published applications
- 1,059
- Assignees
- 158
- Inventors
- 964
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 8 |
| 2002 | 13 | 29 |
| 2003 | 22 | 32 |
| 2004 | 19 | 43 |
| 2005 | 23 | 38 |
| 2006 | 24 | 33 |
| 2007 | 23 | 37 |
| 2008 | 19 | 20 |
| 2009 | 32 | 25 |
| 2010 | 32 | 27 |
| 2011 | 16 | 15 |
| 2012 | 11 | 19 |
| 2013 | 19 | 19 |
| 2014 | 19 | 40 |
| 2015 | 39 | 27 |
| 2016 | 24 | 41 |
| 2017 | 25 | 66 |
| 2018 | 27 | 75 |
| 2019 | 74 | 86 |
| 2020 | 73 | 76 |
| 2021 | 44 | 48 |
| 2022 | 61 | 45 |
| 2023 | 50 | 69 |
| 2024 | 50 | 61 |
| 2025 | 21 | 40 |
| 2026 | 22 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dust collector, vacuum cleaner, and cleaning device22 Sep 2026US 12,740,680 B2Samsung Electronics Co., Ltd.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Vacuum cleaner1 Sep 2026US 12,721,489 B2Techtronic Floor Care Technology Limited
- Surface cleaning apparatus28 Jul 2026US 12,690,732 B2Omachron Intellectual Property Inc.
- Cleaner21 Jul 2026US 12,685,414 B2LG Electronics Inc.
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Vacuum device24 Sep 2026US 2026/0283419 A1Milwaukee Electric Tool Corporation
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Separator for a fluid cleaning device24 Sep 2026US 2026/0284678 A1Dyson Technology Limited
- Vacuum cleaner27 Aug 2026US 2026/0248334 A1
Most cited
By later US patents
- Vacuum cleaner having a cyclone type dust collecting apparatus333US 6,406,505 B1Samsung Kwangju Electronics Co., Ltd. · 2002
- Cyclonic vacuum cleaner ribbed cyclone shroud238US 7,922,794 B2Electrolux Home Care Products, Inc. · 2011
- Cyclonic vacuum cleaner220US 6,625,845 B2Sharp Kabushiki Kaisha · 2003
- Carpet cleaning machine for particulate removal219US 5,307,538 ARacine Industries, Inc. · 1994
- Carpet cleaning machine with convertible-use feature218US 5,287,591 ARacine Industries, Inc. · 1994