A47L 5/04
With pistons, bellows, or diaphragms
Official title: with pistons, bellows, or diaphragms, e.g. driven by the cleaner-supporting wheels
A47L5/04 (With pistons, bellows, or diaphragms) appears on 5 US grants and 3 published applications in this corpus.
Search patents in A47L- Granted patents
- 5
- Published applications
- 3
- Assignees
- 2
- Inventors
- 13
- Latest grant
- 2 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pump for removing fluids from floor coverings and related methods2 Jun 2020US 10,667,658 B2
- Suction unit and autonomous vacuum cleaner24 Nov 2015US 9,192,271 B2Koninklijke Philips N. V.
- Vacuum cleaner leg exercise device15 Feb 2000US 6,024,678 A
- Solder-removing tool21 Jan 1992US 5,081,739 A
- Ash container18 Feb 1986US 4,571,250 A
Most cited
By later US patents