A47L 5/367
Suction cleaners for fixing on staircases
Official title: {Suction cleaners for fixing on staircases}
A47L5/367 (Suction cleaners for fixing on staircases) appears on 11 US grants and 5 published applications in this corpus.
Search patents in A47L- Granted patents
- 11
- Published applications
- 5
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 27 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stair vacuum device27 Jan 2015US 8,938,850 B1
- Dual purpose vacuum cleaner for use on both, floors and stairs18 Nov 2014US 8,887,350 B2Siddons Furniture Limited
- Caster for vacuum cleaner and vacuum cleaner having the same12 Dec 2006US 7,146,680 B2LG Electronics Inc.
- Vacuum cleaner which secures to a surface16 Aug 2005US 6,928,690 B2LG Electronics Inc.
- Vacuum cleaner17 Aug 1999US 5,937,477 ANotetry Limited
- Stair climbing aid (ramp) for self-moving vacuum robots11 Apr 2024US 2024/0117637 A1
- Dual purpose vacuum cleaner for use on both, floors and stairs23 May 2013US 2013/0125338 A1Siddons Furniture Limited
- Automated apparatus and equipped trashcan27 May 2010US 2010/0125968 A1
- Caster for vacuum cleaner and vacuum cleaner having the same11 Mar 2004US 2004/0045121 A1LG Electronics Inc.
- Vacuum cleaner3 Jul 2003US 2003/0121120 A1LG Electronics Inc.
Most cited
By later US patents
- Vacuum cleaner tool for use on horizontal and vertical surfaces27US 4,397,060 ABlack & Decker Inc. · 1983
- Vacuum cleaner27US 5,937,477 ANotetry Limited · 1999
- Vacuum cleaner which secures to a surface25US 6,928,690 B2LG Electronics Inc. · 2005
- Portable cleaning apparatus20US 5,755,007 ANotetry Limited · 1998
- Stair cleaning device13US 5,377,375 ABTR plc · 1995