A47L 7/0071
Suction cleaners adapted for additional purposes: with containers for ash, soot, contaminant
Official title: {with containers for ash, soot, contaminant or harmful materials (suction devices for removing ashes F23J1/02)}
A47L7/0071 (Suction cleaners adapted for additional purposes: with containers for ash, soot, contaminant) appears on 43 US grants and 41 published applications in this corpus.
Search patents in A47L- Granted patents
- 43
- Published applications
- 41
- Assignees
- 24
- Inventors
- 80
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 3 |
| 2022 | 2 | 5 |
| 2023 | 2 | 3 |
| 2024 | 6 | 7 |
| 2025 | 0 | 3 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Remote-controlled mobile cleaning apparatus for removal and collection of high radioactive waste debris in hot-cell139US 6,625,843 B2Korea Atomic Energy Research Institute · 2003
- Asbestos removal method and system97US 4,872,920 A1989
- Cannister type suction cleaner43US 4,355,434 A1982
- Fireplace cleaner34US 4,342,131 A1982
- Ash vacuum adapter32US 4,868,949 A1989