A47L 11/40
Parts or details of machines not provided for in groups a47l11/02 -
Official title: Parts or details of machines not {provided for in} groups A47L11/02 - A47L11/38, {or not restricted to one of these groups}, e.g. handles, arrangements of switches, skirts, buffers, levers
A47L11/40 (Parts or details of machines not provided for in groups a47l11/02 -) appears on 4,707 US grants and 5,237 published applications in this corpus.
Search patents in A47L- Granted patents
- 4,707
- Published applications
- 5,237
- Assignees
- 1,143
- Inventors
- 7,261
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 29 | 0 |
| 1978 | 45 | 0 |
| 1979 | 45 | 0 |
| 1980 | 49 | 0 |
| 1981 | 37 | 0 |
| 1982 | 51 | 0 |
| 1983 | 33 | 0 |
| 1984 | 35 | 0 |
| 1985 | 37 | 0 |
| 1986 | 31 | 0 |
| 1987 | 39 | 0 |
| 1988 | 38 | 0 |
| 1989 | 55 | 0 |
| 1990 | 53 | 0 |
| 1991 | 36 | 0 |
| 1992 | 49 | 0 |
| 1993 | 41 | 0 |
| 1994 | 51 | 0 |
| 1995 | 58 | 0 |
| 1996 | 60 | 0 |
| 1997 | 64 | 0 |
| 1998 | 64 | 0 |
| 1999 | 78 | 0 |
| 2000 | 74 | 0 |
| 2001 | 60 | 24 |
| 2002 | 47 | 67 |
| 2003 | 65 | 79 |
| 2004 | 36 | 83 |
| 2005 | 44 | 105 |
| 2006 | 48 | 110 |
| 2007 | 54 | 85 |
| 2008 | 45 | 99 |
| 2009 | 46 | 91 |
| 2010 | 76 | 86 |
| 2011 | 67 | 81 |
| 2012 | 63 | 91 |
| 2013 | 113 | 134 |
| 2014 | 83 | 168 |
| 2015 | 100 | 146 |
| 2016 | 130 | 220 |
| 2017 | 140 | 203 |
| 2018 | 162 | 248 |
| 2019 | 230 | 333 |
| 2020 | 233 | 342 |
| 2021 | 255 | 414 |
| 2022 | 292 | 399 |
| 2023 | 326 | 397 |
| 2024 | 317 | 482 |
| 2025 | 260 | 397 |
| 2026 | 223 | 353 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47L 11/4036Parts or details of the surface treating tools2,429
- A47L 11/408Means for supplying cleaning or surface treating agents1,729
- A47L 11/4011Regulation of the cleaning machine by electric means1,500
- A47L 11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like1,207
- A47L 11/4063Driving means1,161
- A47L 11/4061Steering means950
- A47L 11/4002Installations of electric equipment769
- A47L 11/4075Handles519
All 15 subgroupsShow fewer
- A47L 11/4052Movement of the tools or the like perpendicular to the cleaning surface472
- A47L 11/4072Arrangement of castors or wheels422
- A47L 11/4027Filtering or separating contaminants or debris294
- A47L 11/4091Storing or parking devices, arrangements therefor264
- A47L 11/4094Accessories to be used in combination with conventional vacuum-cleaning devices191
- A47L 11/4077Skirts or splash guards148
- A47L 11/4097Means for exhaust-air diffusion116
Recent patents
- Hair cutting assembly and cleaning apparatus6 Oct 2026US 12,751,588 B2Jiangsu Midea Cleaning Appliances Co., Ltd.
- Buffer stain applicator apparatus6 Oct 2026US 12,751,593 B1
- Cleaning robot escape method and device, medium, and electronic apparatus6 Oct 2026US 12,751,594 B2Beijing Roborock Innovation Technology Co., Ltd.
- Cleaning apparatus6 Oct 2026US 12,751,596 B2Suzhou Eup Electric Co. Ltd.
- Pollution source determination robot cleaner and operating method thereof6 Oct 2026US 12,751,597 B2Samsung Electronics Co., Ltd.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Mobile cleaning robot with variable cleaning features8 Oct 2026US 2026/0305896 A1iRobot Corporation
- Residual-water-stain recovery method and apparatus, robot, and storage medium8 Oct 2026US 2026/0305897 A1Shenzhen Pudu Technology Co., Ltd.
- Method for constructing a map while performing work8 Oct 2026US 2026/0305899 A1Bobsweep USA
- Apparatus and method for controlling a cleaning robot8 Oct 2026US 2026/0305900 A1BSH Hausgeräte GmbH
Most cited
By later US patents
- Home cleaning robot729US 6,459,955 B1The Procter & Gamble Company · 2002
- Mobile robots and their control system518US 6,532,404 B22003
- Mobile work robot system511US 5,959,423 AMinolta Co., Ltd. · 1999
- Autonomous floor-cleaning robot453US 6,883,201 B2iRobot Corporation · 2005
- Automatic machine and device for floor dusting439US 5,787,545 A1998