A47L 11/293
The tools being disc brushes
Official title: the tools being disc brushes
A47L11/293 (The tools being disc brushes) appears on 70 US grants and 89 published applications in this corpus.
Search patents in A47L- Granted patents
- 70
- Published applications
- 89
- Assignees
- 43
- Inventors
- 136
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 5 |
| 2015 | 3 | 4 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 1 | 21 |
| 2020 | 1 | 5 |
| 2021 | 12 | 13 |
| 2022 | 7 | 7 |
| 2023 | 10 | 6 |
| 2024 | 10 | 8 |
| 2025 | 1 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Floor cleaning apparatus with slidable flap162US 5,611,108 AWindsor Industries, Inc. · 1997
- Powered floor scrubber and buffer142US 6,023,813 ASpectrum Industrial Products, Inc. · 2000
- Floor cleaning apparatus with two brooms82US 5,802,665 AWidsor Industries, Inc. · 1998
- Floor-cleaning machine74US 4,667,364 AInternationale Octrooi Maatschappij "Octropa" B.V. · 1987
- Robot cleaner and method of controlling the same39US 10,993,598 B2LG Electronics Inc. · 2021