A47L 9/0472
Discs
Official title: {Discs}
A47L9/0472 (Discs) appears on 120 US grants and 156 published applications in this corpus.
Search patents in A47L- Granted patents
- 120
- Published applications
- 156
- Assignees
- 45
- Inventors
- 260
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 5 |
| 2013 | 3 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 5 |
| 2016 | 2 | 8 |
| 2017 | 5 | 10 |
| 2018 | 5 | 6 |
| 2019 | 8 | 11 |
| 2020 | 6 | 13 |
| 2021 | 8 | 12 |
| 2022 | 13 | 11 |
| 2023 | 9 | 18 |
| 2024 | 26 | 14 |
| 2025 | 7 | 10 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wet duster module for a cleaner17 Mar 2026US 12,575,707 B2LG Electronics Inc.
- Flexible brush system10 Mar 2026US 12,569,102 B2The Malish Corporation
- Nozzle for cleaner17 Feb 2026US 12,551,069 B2LG Electronics Inc.
- Nozzle for cleaner17 Feb 2026US 12,551,074 B2LG Electronics Inc.
- Boarding sweeper with guides passing air through a battery holder4 Nov 2025US 12,458,192 B2Honda Motor Co., Ltd.
- Cleaner27 Aug 2026US 2026/0248333 A1Samsung Electronics Co., Ltd.
- Vacuum cleaner and control method therefor27 Aug 2026US 2026/0248335 A1LG Electronics Inc.
- Surface maintenance machne with dust mitigation16 Jul 2026US 2026/0198740 A1Tennant Company
- Nozzle for cleaner28 May 2026US 2026/0144419 A1LG Electronics Inc.
- Nozzle for cleaner28 May 2026US 2026/0144422 A1LG Electronics Inc.
Most cited
By later US patents
- Suction brush of vacuum cleaner for both vacuum cleaning and steam cleaning52US 7,640,626 B2Samsung Gwangju Electronics Co., Ltd. · 2010
- Floor cloth for use in vacuum cleaner and apparatus of vacuum cleaner for rotatably driving the floor cloth48US 6,792,648 B2Samsung Kwangju Electronics Co., Ltd. · 2004
- Auxiliary brush for vacuum cleaner43US 8,631,541 B2BISSELL Homecare, Inc. · 2014
- Hand held turbine powered extractor nozzle36US 5,867,864 AThe Hoover Company · 1999
- Obstacle recognition method for autonomous robots35US 10,788,836 B2AI Incorporated · 2020