A47L 9/2847
Surface treating elements
Official title: {Surface treating elements}
A47L9/2847 (Surface treating elements) appears on 357 US grants and 462 published applications in this corpus.
Search patents in A47L- Granted patents
- 357
- Published applications
- 462
- Assignees
- 153
- Inventors
- 933
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 6 |
| 2005 | 1 | 10 |
| 2006 | 1 | 10 |
| 2007 | 5 | 3 |
| 2008 | 4 | 3 |
| 2009 | 2 | 3 |
| 2010 | 4 | 10 |
| 2011 | 2 | 6 |
| 2012 | 4 | 7 |
| 2013 | 11 | 9 |
| 2014 | 8 | 9 |
| 2015 | 2 | 6 |
| 2016 | 8 | 7 |
| 2017 | 12 | 12 |
| 2018 | 10 | 25 |
| 2019 | 11 | 50 |
| 2020 | 31 | 30 |
| 2021 | 23 | 48 |
| 2022 | 28 | 34 |
| 2023 | 30 | 54 |
| 2024 | 37 | 47 |
| 2025 | 42 | 41 |
| 2026 | 21 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum cleaner and method for controlling the same15 Sep 2026US 12,733,782 B2Samsung Electronics Co., Ltd.
- Method for identifying brush type, cleaning device and storage medium15 Sep 2026US 12,733,783 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- System and method of a semi-autonomous cleaning apparatus with adjustable cleaning parameters11 Aug 2026US 12,702,262 B2Avidbots Corp
- Controller for controlling a floor cleaning device, floor cleaning device and nozzle thereof21 Jul 2026US 12,685,417 B2Versuni Holding B.V.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Stationary service appliance for a poly functional roaming device8 Oct 2026US 2026/0310224 A1AI Incorporated
- Floor cleaner with a low power mode1 Oct 2026US 2026/0294193 A1Techtronic Floor Care Technology Limited
- Suction Head Provided With A Rotating Brush Provided With A Cleaning Blade24 Sep 2026US 2026/0283340 A1Seb S. A.
- Robotic cleaner and methods of operating the same24 Sep 2026US 2026/0283428 A1SharkNinja Operating LLC
Most cited
By later US patents
- Autonomous surface cleaning apparatus281US 5,940,927 AAktiebolaget Electrolux · 1999
- Robotic vacuum with removable portable vacuum and semi-automated environment mapping281US 7,113,847 B2Royal Appliance Mfg. Co. · 2006
- Robotic floor cleaning device268US 6,605,156 B1Dyson Limited · 2003
- Microcomputer control system for a canister vacuum cleaner206US 4,654,924 AWhirlpool Corporation · 1987
- Vacuum cleaner with fuzzy control188US 5,233,682 AMatsushita Electric Industrial Co., Ltd. · 1993