A47L 2201/028
Refurbishing floor engaging tools
Official title: Refurbishing floor engaging tools, e.g. cleaning of beating brushes
A47L2201/028 (Refurbishing floor engaging tools) appears on 99 US grants and 251 published applications in this corpus.
Search patents in A47L- Granted patents
- 99
- Published applications
- 251
- Assignees
- 60
- Inventors
- 418
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 7 |
| 2013 | 3 | 3 |
| 2014 | 3 | 5 |
| 2015 | 4 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 1 | 16 |
| 2021 | 2 | 13 |
| 2022 | 9 | 34 |
| 2023 | 10 | 24 |
| 2024 | 14 | 47 |
| 2025 | 20 | 36 |
| 2026 | 23 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pad washing dock for mobile cleaning robots29 Sep 2026US 12,745,889 B2iRobot Corporation
- SLAM robot and a paired application thereof15 Sep 2026US 12,736,962 B1AI Incorporated
- Cleaning robot system8 Sep 2026US 12,727,732 B2Positec Power Tools (Suzhou) Co., Ltd.
- Cleaning robot, and methods and apparatuses for controlling cleaning robot to return to base and move out of base8 Sep 2026US 12,730,459 B2Beijing Roborock Innovation Technology Co., Ltd.
- Pad cleaning system for robotic vacuum cleaners25 Aug 2026US 12,714,275 B2iRobot Corporation
- Base Station, and Robot Cleaning System and Control Method Therefor8 Oct 2026US 2026/0305904 A1Positec Power Tools (Suzhou) Co., Ltd.
- Stationary service appliance for a poly functional roaming device8 Oct 2026US 2026/0310224 A1AI Incorporated
- Base station for a floor cleaner1 Oct 2026US 2026/0294197 A1BSH Hausgeräte GmbH
- Base station for a floor cleaner1 Oct 2026US 2026/0295641 A1BSH Hausgeräte GmbH
- Control method and apparatus for cleaning robot and cleaning system24 Sep 2026US 2026/0283431 A1Dreame Innovation Technology (Suzhou) Co., Ltd.
Most cited
By later US patents
- Mobile work robot system511US 5,959,423 AMinolta Co., Ltd. · 1999
- Cleaning robot roller processing156US 8,087,117 B2iRobot Corporation · 2012
- Removing debris from cleaning robots113US 8,572,799 B2iRobot Corporation · 2013
- Cleaning robot roller processing88US 8,418,303 B2iRobot Corporation · 2013
- Coverage robots and associated cleaning bins83US 8,528,157 B2iRobot Corporation · 2013