A47L 9/0416
Driven by fluid pressure
Official title: {driven by fluid pressure, e.g. by means of an air turbine}
A47L9/0416 (Driven by fluid pressure) appears on 96 US grants and 99 published applications in this corpus.
Search patents in A47L- Granted patents
- 96
- Published applications
- 99
- Assignees
- 46
- Inventors
- 193
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 4 |
| 2002 | 3 | 7 |
| 2003 | 7 | 4 |
| 2004 | 3 | 2 |
| 2005 | 1 | 7 |
| 2006 | 0 | 15 |
| 2007 | 2 | 4 |
| 2008 | 4 | 5 |
| 2009 | 4 | 5 |
| 2010 | 9 | 5 |
| 2011 | 2 | 7 |
| 2012 | 3 | 8 |
| 2013 | 6 | 5 |
| 2014 | 9 | 1 |
| 2015 | 5 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 6 |
| 2018 | 2 | 2 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Attachment and method for cleaning a socket28 Jan 2025US 12,212,108 B2Girolstein GmbH
- Industrial sweeper provided with an improved device for unclogging the air filter thereof14 Jan 2025US 12,193,630 B2Etablissements Emily
- Air purifier, air purifying system, and method of controlling air purifying system11 Apr 2023US 11,623,173 B2Chungang University Industry Academic Cooperation Foundation
- Ceiling fan blade cleaning vacuum attachment21 Jun 2022US 11,363,924 B1
- Water-absorbing cyclone dust cup for secondary dust-air separation and vacuum cleaner thereof20 Apr 2021US 10,980,383 B2Cuori Electrical Appliances (Group) Co., Ltd
- Cleaner6 Nov 2025US 2025/0339004 A1LG Electronics Inc.
- Cleaning head for vacuum cleaner25 Sep 2025US 2025/0295280 A1BISSELL Inc.
- Surface cleaner22 Aug 2024US 2024/0277193 A1Techtronic Floor Care Technology Limited
- Attachment and method for cleaning a socket23 Nov 2023US 2023/0378704 A1Girolstein GmbH
- Particle collection system and method14 Sep 2023US 2023/0284851 A1Vivonics, Inc.
Most cited
By later US patents
- Electric vacuum cleaner and nozzle unit therefor130US 6,345,408 B1Sharp Kabushiki Kaisha · 2002
- Floor nozzle for electric cleaner123US 4,901,394 AMatsushita Electric Industrial Co., Ltd. · 1990
- Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head84US 6,170,119 B2Fantom Technologies Inc. · 2001
- Air-powered vacuum cleaner floor tool83US 4,307,485 ABlack & Decker Inc. · 1981
- Pressure based sensing means for adjusting the height of an agitator in a vacuum cleaner head77US 6,123,779 AFantom Technologies Inc. · 2000