A47L 9/165
Construction of inlets
Official title: {Construction of inlets}
A47L9/165 (Construction of inlets) appears on 603 US grants and 795 published applications in this corpus.
Search patents in A47L- Granted patents
- 603
- Published applications
- 795
- Assignees
- 141
- Inventors
- 740
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 7 |
| 2002 | 15 | 21 |
| 2003 | 16 | 16 |
| 2004 | 15 | 19 |
| 2005 | 13 | 30 |
| 2006 | 15 | 25 |
| 2007 | 11 | 32 |
| 2008 | 12 | 17 |
| 2009 | 16 | 23 |
| 2010 | 27 | 24 |
| 2011 | 18 | 8 |
| 2012 | 14 | 3 |
| 2013 | 9 | 13 |
| 2014 | 10 | 22 |
| 2015 | 20 | 26 |
| 2016 | 21 | 29 |
| 2017 | 17 | 53 |
| 2018 | 25 | 52 |
| 2019 | 59 | 62 |
| 2020 | 47 | 59 |
| 2021 | 39 | 52 |
| 2022 | 50 | 38 |
| 2023 | 41 | 50 |
| 2024 | 35 | 47 |
| 2025 | 18 | 35 |
| 2026 | 11 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Vacuum cleaner1 Sep 2026US 12,721,489 B2Techtronic Floor Care Technology Limited
- Low profile bucket lid and dust cyclone25 Aug 2026US 12,714,274 B2Oneida Air Systems, Inc.
- Surface cleaning apparatus14 Jul 2026US 12,677,998 B2Omachron Intellectual Property Inc.
- Low profile dust separator23 Jun 2026US 12,661,663 B2
- Surface cleaning apparatus1 Oct 2026US 2026/0294184 A1Omachron Intellectual Property Inc.
- Cyclonic separator1 Oct 2026US 2026/0294190 A1Milwaukee Electric Tool Corporation
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Double-cyclone separator24 Sep 2026US 2026/0284677 A1
- Separator for a fluid cleaning device24 Sep 2026US 2026/0284678 A1Dyson Technology Limited
Most cited
By later US patents
- Vacuum cleaner having a cyclone type dust collecting apparatus333US 6,406,505 B1Samsung Kwangju Electronics Co., Ltd. · 2002
- Shroud330US 5,078,761 ANotetry Limited · 1992
- Vacuum cleaning appliances322US 4,373,228 A1983
- Upright vacuum cleaner with cyclonic air flow295US 6,782,585 B1Fantom Technologies Inc. · 2004
- Apparatus and method separating particles from a cyclonic fluid flow including an apertured particle separation member within a cyclonic flow region240US 6,440,197 B1G. B. D. Corp. · 2002