A47L 5/14
Cleaning by blowing-off, also combined with suction cleaning
Official title: cleaning by blowing-off, also combined with suction cleaning
A47L5/14 (Cleaning by blowing-off, also combined with suction cleaning) appears on 463 US grants and 415 published applications in this corpus.
Search patents in A47L- Granted patents
- 463
- Published applications
- 415
- Assignees
- 200
- Inventors
- 986
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 14 | 5 |
| 2002 | 13 | 13 |
| 2003 | 10 | 7 |
| 2004 | 6 | 18 |
| 2005 | 4 | 16 |
| 2006 | 4 | 15 |
| 2007 | 9 | 16 |
| 2008 | 8 | 16 |
| 2009 | 8 | 11 |
| 2010 | 13 | 11 |
| 2011 | 7 | 8 |
| 2012 | 4 | 7 |
| 2013 | 9 | 13 |
| 2014 | 13 | 19 |
| 2015 | 15 | 15 |
| 2016 | 16 | 21 |
| 2017 | 13 | 32 |
| 2018 | 19 | 17 |
| 2019 | 23 | 32 |
| 2020 | 20 | 23 |
| 2021 | 14 | 16 |
| 2022 | 13 | 19 |
| 2023 | 20 | 19 |
| 2024 | 15 | 22 |
| 2025 | 11 | 10 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blowing suction device22 Sep 2026US 12,740,517 B2Positec Power Tools (Suzhou) Co., Ltd.
- Rotatable dual-purpose axial-flow blower/vacuum30 Jun 2026US 12,667,232 B2Jingyan Mechanical & Electrical Tools Co., Ltd, Jinhua
- Robotic cleaner and methods of operating the same30 Jun 2026US 12,667,237 B2SharkNinja Operating LLC
- Animal cleaning device23 Jun 2026US 12,660,796 B2Divia La Penna Design Studio Inc.
- Dual-purpose blowing-suction machine19 May 2026US 12,628,993 B2Ningbo Brightech International Trading CO., LTD
- Robotic cleaner and methods of operating the same24 Sep 2026US 2026/0283428 A1SharkNinja Operating LLC
- Animal cleaning device17 Sep 2026US 2026/0271877 A1Divia La Penna Design Studio Inc.
- Blower3 Sep 2026US 2026/0256064 A1Nanjing Chervon Industry Co., Ltd.
- Ventilation and Particulate Matter Removal System20 Aug 2026US 2026/0240381 A1
- Dust collector13 Aug 2026US 2026/0232152 A1Makita Corporation
Most cited
By later US patents
- Air flow-producing device, such as a vacuum cleaner or a blower1,158US 7,712,182 B2Milwaukee Electric Tool Corporation · 2010
- Vacuum cleaning appliances322US 4,373,228 A1983
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Autonomous surface cleaning robot for wet and dry cleaning257US 7,389,156 B2iRobot Corporation · 2008
- Cleaning machine200US 5,129,125 AKomatsu Zenoah Co. · 1992