A47L 11/4058
For adjusting the height of the tool
Official title: {for adjusting the height of the tool}
A47L11/4058 (For adjusting the height of the tool) appears on 275 US grants and 199 published applications in this corpus.
Search patents in A47L- Granted patents
- 275
- Published applications
- 199
- Assignees
- 142
- Inventors
- 505
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 6 |
| 2003 | 3 | 2 |
| 2004 | 2 | 4 |
| 2005 | 1 | 7 |
| 2006 | 5 | 7 |
| 2007 | 1 | 3 |
| 2008 | 3 | 2 |
| 2009 | 4 | 10 |
| 2010 | 6 | 1 |
| 2011 | 5 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 5 |
| 2014 | 3 | 10 |
| 2015 | 7 | 7 |
| 2016 | 5 | 4 |
| 2017 | 6 | 3 |
| 2018 | 6 | 7 |
| 2019 | 2 | 16 |
| 2020 | 3 | 8 |
| 2021 | 17 | 15 |
| 2022 | 6 | 16 |
| 2023 | 12 | 21 |
| 2024 | 20 | 24 |
| 2025 | 11 | 11 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Low profile scrubber192US 5,319,828 ATennant Company · 1994
- Hard and soft floor surface cleaning apparatus190US 5,455,982 AAdvance Machine Company · 1995
- Floor cleaner188US 4,956,891 ACastex Industries, Inc. · 1990
- Floor and bounded surface sweeper machine170US 4,716,621 ADulevo S.p.A. · 1988
- Moisture indicator for wet pick-up suction cleaner145US 6,832,407 B2The Hoover Company · 2004