A47L 11/4047
Wound-up or endless cleaning belts
Official title: {Wound-up or endless cleaning belts}
A47L11/4047 (Wound-up or endless cleaning belts) appears on 71 US grants and 73 published applications in this corpus.
Search patents in A47L- Granted patents
- 71
- Published applications
- 73
- Assignees
- 47
- Inventors
- 185
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 5 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 4 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 6 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 3 | 5 |
| 2021 | 4 | 6 |
| 2022 | 2 | 2 |
| 2023 | 4 | 6 |
| 2024 | 1 | 5 |
| 2025 | 4 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated cleaning robot and mop mechanism thereof28 Jul 2026US 12,690,738 B2Ningbo Fujia Industrial Co., Ltd.
- Autonomous floor cleaner with scrubbing belt12 May 2026US 12,622,562 B2BISSELL Inc.
- Cleaning wheel including reels and transmission for cleaning film9 Sep 2025US 12,408,806 B2AUO Corporation
- Remote-access duster17 Jun 2025US 12,329,336 B2
- Cleaning device for wet cleaning20 May 2025US 12,303,084 B2Carl Freudenberg KG
- Mobile cleaning robots systems and methods25 Jun 2026US 2026/0174301 A11Robert Corporation
- Cleaning belt assemblies and cleaning apparatuses18 Jun 2026US 2026/0165550 A1Shenzhen Curiosity Exploration Technology Co., Ltd.
- Cleaning and disinfecting mop roll refill21 May 2026US 2026/0137252 A1Carl Freudenberg KG
- Transversing mopping mechanism7 May 2026US 2026/0123810 A1Hangzhou Shunshi Technology Co., Ltd.
- Cleaning and disinfecting module for robotic cleaner23 Apr 2026US 2026/0108125 A1Carl Freudenberg KG
Most cited
By later US patents
- Autonomous floor mopping apparatus226US 6,741,054 B2Vision Robotics Corporation · 2004
- Surface treating device with top load cartridge-based cleaning system153US 7,578,020 B2S. C. Johnson & Son, Inc. · 2009
- Device and methods of providing air purification in combination with superficial floor cleaning112US 7,837,958 B2S. C. Johnson & Son, Inc. · 2010
- Machine to wash surfaces85US 4,369,544 ANovum in Elettrodomestica Srl · 1983
- Bowling lane conditioning machine55US 7,784,147 B2Brunswick Bowling & Billiards Corporation · 2010