A47L 11/283
The tools being disc brushes
Official title: the tools being disc brushes
A47L11/283 (The tools being disc brushes) appears on 192 US grants and 253 published applications in this corpus.
Search patents in A47L- Granted patents
- 192
- Published applications
- 253
- Assignees
- 90
- Inventors
- 400
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 7 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 4 | 6 |
| 2009 | 3 | 5 |
| 2010 | 0 | 6 |
| 2011 | 3 | 2 |
| 2012 | 2 | 4 |
| 2013 | 5 | 6 |
| 2014 | 3 | 3 |
| 2015 | 4 | 15 |
| 2016 | 5 | 8 |
| 2017 | 4 | 4 |
| 2018 | 11 | 17 |
| 2019 | 10 | 29 |
| 2020 | 10 | 16 |
| 2021 | 19 | 33 |
| 2022 | 16 | 18 |
| 2023 | 20 | 21 |
| 2024 | 23 | 17 |
| 2025 | 10 | 14 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Running and working robot not susceptible to damage at a coupling unit between running unit and working unit218US 5,991,951 AMinolta Co., Ltd. · 1999
- Mobile surface cleaning machine201US 5,239,720 AAdvance Machine Company · 1993
- Floor surface cleaning machine131US 6,427,285 B1Nilfisk-Advance, Inc. · 2002
- Mobile automatic floor cleaner56US 5,535,476 AHenkel Kommanditgesellschaft auf Aktien · 1996
- Ultraviolet sanitation device41US 8,029,739 B2Tennant Company · 2011