A47L 5/18
With ejectors
Official title: with ejectors, e.g. connected to motor vehicle exhaust
A47L5/18 (With ejectors) appears on 46 US grants and 36 published applications in this corpus.
Search patents in A47L- Granted patents
- 46
- Published applications
- 36
- Assignees
- 19
- Inventors
- 69
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 7 |
| 2022 | 3 | 1 |
| 2023 | 0 | 4 |
| 2024 | 3 | 2 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cleaning apparatus having vacuum cleaner and docking station4 Mar 2025US 12,239,281 B2Samsung Electronics Co., Ltd.
- High volume industrial vacuum assemblies and methods14 Jan 2025US 12,193,627 B2Industrial Vacuum Transfer Services USA, LLC
- Assemblies and methods for material extraction12 Nov 2024US 12,137,864 B2Industrial Vacuum Transfer Services USA, LLC
- Cleaning apparatus having vacuum cleaner and docking station27 Nov 2025US 2025/0359715 A1Samsung Electronics Co., Ltd.
- High volume industrial vacuum assemblies and methods20 Mar 2025US 2025/0089956 A1Industrial Vacuum Transfer Services USA, LLC
- Assemblies and methods for material extraction9 Jan 2025US 2025/0009197 A1Industrial Vacuum Transfer Services USA, LLC
- Crematory Vacuum Cleaner6 Jun 2024US 2024/0183528 A1
- Cleaning apparatus having vacuum cleaner and docking station18 Jan 2024US 2024/0016352 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Collecting apparatus35US 4,290,165 AKioritz Corporation · 1981
- Vacuum cleaner, operated by compressed air34US 3,971,096 AA/S Norclean · 1976
- Portable backpack vacuum system29US 6,049,941 ATechnical Innovations, Inc. · 2000
- Cleaning apparatus and method23US 7,214,314 B22007
- Hand-operated apparatus for pneumatically removing dust21US 4,055,870 A1977