A47L 9/187
With filtering means
Official title: {with filtering means, e.g. separators}
A47L9/187 (With filtering means) appears on 31 US grants and 21 published applications in this corpus.
Search patents in A47L- Granted patents
- 31
- Published applications
- 21
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 26 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 4 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Separator for vacuum cleaner26 Jul 2022US 11,395,570 B2Hyla, Proizvodnja, Razvoj In Trgovina D.O.O.
- Vacuum cleaner31 Jan 2017US 9,554,682 B2Koninklijke Philips N. V.
- Separator, separating device with such a separator, and vacuum cleaner, especially wet vacuum cleaner, with such a separator or such a separating device9 Aug 2016US 9,408,512 B2PROAIR GmbH Gerätebau
- Unit for pumping air containing particles and separating the particles from the air21 Apr 2015US 9,011,564 B2Koninklijke Philips N. V.
- Dust collection unit and vacuum cleaner with the same10 Mar 2015US 8,973,213 B2Dongbu Daewoo Electronics Corporation
- Cleaning devices21 Mar 2024US 2024/0090717 A1Kingclean Electric Co., Ltd.
- Multifunction machine for cleaning and sanitizing surfaces and environments16 Jun 2022US 2022/0183518 A1
- Separator for vacuum cleaner31 Mar 2022US 2022/0095868 A1Hyla, Proizvodnja, Razvoj In Trgovina D.O.O.
- Liquid Filtration Vacuum7 Jun 2018US 2018/0153366 A1Intelliclean Solutions, LLC
- Separator, separating device with such a separator, and vacuum cleaner, especially wet vacuum cleaner, with such a separator or such a separating device25 Sep 2014US 2014/0283331 A1PROAIR GmbH Gerätebau
Most cited
By later US patents
- Ultra-filtration vacuum system72US 5,922,093 AMiracle Marketing Corporation · 1999
- Vacuum cleaner51US 4,547,206 ARoyal Appliance Mfg. Co. · 1985
- Vacuum cleaner construction39US 4,693,734 ARexair, Inc. · 1987
- Vacuum cleaner construction29US 4,640,697 ARexair, Inc. · 1987
- Air blower assembly for vacuum cleaners24US 4,824,333 ARexair, Inc. · 1989