A47L 9/185
Means for the mechanical control of flow of air
Official title: {Means for the mechanical control of flow of air, e.g. deflectors, baffles or labyrinths}
A47L9/185 (Means for the mechanical control of flow of air) appears on 38 US grants and 19 published applications in this corpus.
Search patents in A47L- Granted patents
- 38
- Published applications
- 19
- Assignees
- 24
- Inventors
- 71
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 0 |
| 2014 | 4 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-bacterial cleaning machine with wet filter14 Oct 2025US 12,440,077 B2T.P.A. Impex S.p.A.
- Filter assembly and cleaner having the same27 Aug 2019US 10,391,438 B2Midea Group Co., Ltd.
- Vacuum cleaner having a water receptacle with no fastening means thereinbetween11 Nov 2014US 8,881,344 B2Senur Elektrik Motorlari San. Ve Tic. A.S.
- Water filter arrangement for a vacuum cleaner12 Aug 2014US 8,800,105 B2Senur Elektrik Motorlari San. Ve Tic. A.S.
- Wet type dust collector for vacuum cleaner20 May 2014US 8,728,222 B2Samsung Electronics Co., Ltd.
- Rotating baffle for use in a vacuum cleaner26 Feb 2026US 2026/0053317 A1Origyn LLC
- Surface cleaning head and surface cleaning device14 Mar 2024US 2024/0081597 A1
- Anti-bacterial cleaning machine with wet filter24 Nov 2022US 2022/0369876 A1T.P.A. Impex S.p.A.
- Filter assembly and cleaner having the same23 May 2019US 2019/0151788 A1Midea Group Co., Ltd.
- Hydrodynamically operating vacuum cleaner that does not use a filter or a bag in order to carry out the decontamination25 Feb 2016US 2016/0051107 A1Vacman Internacional, S.A. De C.V.
Most cited
By later US patents
- Ultra-filtration vacuum system72US 5,922,093 AMiracle Marketing Corporation · 1999
- Vacuum cleaner having a liquid medium filter63US 5,205,014 A1993
- Vacuum cleaner51US 4,547,206 ARoyal Appliance Mfg. Co. · 1985
- Filtering system for cleaning air51US 5,908,493 A1999
- Dual filtering vacuum system34US 5,199,963 A1993