A47L 11/4044
Vacuuming or pick-up tools
Official title: {Vacuuming or pick-up tools; Squeegees}
A47L11/4044 (Vacuuming or pick-up tools) appears on 1,058 US grants and 971 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,058
- Published applications
- 971
- Assignees
- 300
- Inventors
- 1,654
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 15 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 7 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 15 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 26 | 0 |
| 1999 | 31 | 0 |
| 2000 | 37 | 0 |
| 2001 | 19 | 9 |
| 2002 | 19 | 26 |
| 2003 | 25 | 14 |
| 2004 | 11 | 25 |
| 2005 | 7 | 32 |
| 2006 | 11 | 27 |
| 2007 | 14 | 21 |
| 2008 | 10 | 26 |
| 2009 | 11 | 31 |
| 2010 | 24 | 14 |
| 2011 | 17 | 19 |
| 2012 | 14 | 29 |
| 2013 | 36 | 31 |
| 2014 | 22 | 40 |
| 2015 | 25 | 38 |
| 2016 | 26 | 35 |
| 2017 | 25 | 52 |
| 2018 | 41 | 47 |
| 2019 | 45 | 76 |
| 2020 | 56 | 55 |
| 2021 | 43 | 63 |
| 2022 | 58 | 51 |
| 2023 | 53 | 55 |
| 2024 | 47 | 62 |
| 2025 | 25 | 55 |
| 2026 | 19 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning apparatus6 Oct 2026US 12,751,596 B2Suzhou Eup Electric Co. Ltd.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property 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.
- Surface cleaning apparatus25 Aug 2026US 12,714,281 B2BISSELL Inc.
- Residual-water-stain recovery method and apparatus, robot, and storage medium8 Oct 2026US 2026/0305897 A1Shenzhen Pudu Technology Co., Ltd.
- Robot cleaner and robot cleaner system1 Oct 2026US 2026/0294196 A1LG Electronics Inc.
- Cleaning device with an adjustable squeegee assembly24 Sep 2026US 2026/0283432 A1Wensch Holding B.V.
- Cleaner and cleaner control method24 Sep 2026US 2026/0283434 A1LG Electronics Inc.
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
Most cited
By later US patents
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Cleaning robot276US 5,815,880 AMinolta Co., Ltd. · 1998
- Autonomous surface cleaning robot for wet and dry cleaning257US 7,389,156 B2iRobot Corporation · 2008
- Upright extraction cleaning machine240US 6,131,237 ABISSELL Homecare, Inc. · 2000
- Service robot for the automatic suction of dust from floor surfaces227US 6,370,453 B22002