A47L 9/0427
Gearing or transmission means therefor
Official title: {Gearing or transmission means therefor}
A47L9/0427 (Gearing or transmission means therefor) appears on 296 US grants and 364 published applications in this corpus.
Search patents in A47L- Granted patents
- 296
- Published applications
- 364
- Assignees
- 108
- Inventors
- 644
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 4 |
| 2002 | 2 | 6 |
| 2003 | 5 | 8 |
| 2004 | 4 | 10 |
| 2005 | 6 | 15 |
| 2006 | 7 | 8 |
| 2007 | 8 | 4 |
| 2008 | 5 | 9 |
| 2009 | 3 | 9 |
| 2010 | 11 | 10 |
| 2011 | 6 | 11 |
| 2012 | 5 | 14 |
| 2013 | 12 | 20 |
| 2014 | 22 | 8 |
| 2015 | 8 | 17 |
| 2016 | 5 | 10 |
| 2017 | 18 | 26 |
| 2018 | 11 | 23 |
| 2019 | 14 | 14 |
| 2020 | 20 | 19 |
| 2021 | 12 | 20 |
| 2022 | 7 | 17 |
| 2023 | 23 | 25 |
| 2024 | 16 | 26 |
| 2025 | 16 | 20 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dust collecting device and an electric vacuum cleaner with it1 Sep 2026US 12,721,488 B2Nippon Seal (H.K.) Co., Ltd.
- Floor brush assembly for vacuum cleaner, and vacuum cleaner25 Aug 2026US 12,714,272 B2Jiangsu Midea Cleaning Appliances Co., Ltd.
- Cleaner head25 Aug 2026US 12,714,273 B2Dyson Technology Limited
- Surface cleaning apparatus25 Aug 2026US 12,714,281 B2BISSELL Inc.
- Floor brush assembly for vacuum cleaner and vacuum cleaner11 Aug 2026US 12,702,258 B2Jiangsu Midea Cleaning Appliances Co., Ltd.
- Vacuum cleaner with removable agitator assembly27 Aug 2026US 2026/0248332 A1BISSELL Inc.
- Floor cleaning head23 Jul 2026US 2026/0207020 A1Techtronic Cordless GP
- Surface cleaner9 Jul 2026US 2026/0191379 A1SharkNinja Operating LLC
- Electric Cleaning Apparatus11 Jun 2026US 2026/0157584 A1Ningbo POWERFUL Pool Equipment Co., Ltd
- Debris agitation mechanism for a vacuum cleaning assembly14 May 2026US 2026/0130551 A1Lionsbot International Pte. Ltd.
Most cited
By later US patents
- Nozzle arrangement for a self-guiding vacuum cleaner216US 5,781,960 AAktiebolaget Electrolux · 1998
- Robotic vacuum cleaner206US 7,079,923 B2F Robotics Acquisitions Ltd. · 2006
- Robotic vacuum cleaner195US 7,167,775 B2F Robotics Acquisitions Ltd. · 2007
- Brush assembly of cleaner186US 6,971,140 B2LG Electronics Inc. · 2005
- Rotary brush device and vacuum cleaner using the same180US 6,323,570 B1Matsushita Electric Industrial Co., Ltd. · 2001