A47L 11/20
Combined with vacuum cleaning devices
Official title: combined with vacuum cleaning devices
A47L11/20 (Combined with vacuum cleaning devices) appears on 314 US grants and 395 published applications in this corpus.
Search patents in A47L- Granted patents
- 314
- Published applications
- 395
- Assignees
- 116
- Inventors
- 653
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 4 |
| 2005 | 1 | 6 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 7 |
| 2013 | 6 | 10 |
| 2014 | 3 | 3 |
| 2015 | 7 | 9 |
| 2016 | 5 | 13 |
| 2017 | 11 | 17 |
| 2018 | 11 | 11 |
| 2019 | 12 | 53 |
| 2020 | 19 | 28 |
| 2021 | 36 | 44 |
| 2022 | 32 | 32 |
| 2023 | 25 | 45 |
| 2024 | 48 | 43 |
| 2025 | 14 | 30 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motorized suction head with steam dispensing device22 Sep 2026US 12,740,678 B2New Ermes Europe S.p.A.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Cleaner25 Aug 2026US 12,714,277 B2LG Electronics Inc.
- Hand-guided floor cleaning machine with a suction foot mount25 Aug 2026US 12,714,279 B2Hako GmbH
- Accessory tool with integral cleanout assembly25 Aug 2026US 12,714,280 B2BISSELL Inc.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Cleaning robot24 Sep 2026US 2026/0283429 A1Beijing Roborock Technology Co., Ltd.
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Mobile cleaning robot with active suspension30 Jul 2026US 2026/0215636 A1iRobot Corporation
- Cleaning device30 Jul 2026US 2026/0215647 A1
Most cited
By later US patents
- Cleaning robot276US 5,815,880 AMinolta Co., Ltd. · 1998
- Cleaning machine200US 5,129,125 AKomatsu Zenoah Co. · 1992
- Compact autonomous coverage robot163US 8,239,992 B2iRobot Corporation · 2012
- Autonomous coverage robot sensing120US 8,438,695 B2iRobot Corporation · 2013
- Autonomous coverage robot110US 8,726,454 B2iRobot Corporation · 2014