A47L 11/4055
For lifting the tools to a non-working position
Official title: {for lifting the tools to a non-working position}
A47L11/4055 (For lifting the tools to a non-working position) appears on 190 US grants and 206 published applications in this corpus.
Search patents in A47L- Granted patents
- 190
- Published applications
- 206
- Assignees
- 103
- Inventors
- 496
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 2 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 6 |
| 2007 | 0 | 3 |
| 2008 | 4 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 3 | 12 |
| 2014 | 5 | 3 |
| 2015 | 6 | 9 |
| 2016 | 4 | 6 |
| 2017 | 7 | 6 |
| 2018 | 13 | 10 |
| 2019 | 6 | 9 |
| 2020 | 9 | 8 |
| 2021 | 9 | 8 |
| 2022 | 5 | 22 |
| 2023 | 7 | 16 |
| 2024 | 12 | 29 |
| 2025 | 11 | 13 |
| 2026 | 6 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cleaning apparatus11 Aug 2026US 12,702,263 B2Beijing Roborock Technology Co., Ltd.
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- Method for controlling robot cleaner, and robot cleaner8 Oct 2026US 2026/0305901 A1Beijing Roborock Innovation Technology Co., Ltd.
- Robot cleaner and robot cleaner system1 Oct 2026US 2026/0294196 A1LG Electronics Inc.
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Most cited
By later US patents
- Cleaning robot276US 5,815,880 AMinolta Co., Ltd. · 1998
- Floor cleaner with dusting170US 7,013,528 B2BISSELL Homecare, Inc. · 2006
- Wet extractor system117US 5,784,755 AWhite Consolidated Industries, Inc. · 1998
- Tank for autonomous running and working vehicle111US 6,012,618 AMinolta Co., Ltd. · 2000
- Kinematic design for robotic arm87US 9,827,678 B1X Development LLC · 2017