A47L 9/0422
Driven by the rotation of the supporting wheels on which the nozzle
Official title: {driven by the rotation of the supporting wheels on which the nozzle travels over the floor}
A47L9/0422 (Driven by the rotation of the supporting wheels on which the nozzle) appears on 30 US grants and 32 published applications in this corpus.
Search patents in A47L- Granted patents
- 30
- Published applications
- 32
- Assignees
- 16
- Inventors
- 48
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 3 | 5 |
| 2016 | 2 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 3 |
| 2019 | 3 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
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