F24S 40/20
Cleaning
Official title: Cleaning; Removing snow
F24S40/20 (Cleaning) appears on 265 US grants and 417 published applications in this corpus.
Search patents in F24S- Granted patents
- 265
- Published applications
- 417
- Assignees
- 182
- Inventors
- 658
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 12 |
| 2010 | 1 | 14 |
| 2011 | 3 | 21 |
| 2012 | 4 | 21 |
| 2013 | 9 | 32 |
| 2014 | 16 | 28 |
| 2015 | 22 | 34 |
| 2016 | 14 | 14 |
| 2017 | 10 | 33 |
| 2018 | 23 | 16 |
| 2019 | 19 | 31 |
| 2020 | 17 | 27 |
| 2021 | 23 | 26 |
| 2022 | 17 | 23 |
| 2023 | 20 | 21 |
| 2024 | 21 | 25 |
| 2025 | 23 | 23 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CSP system, sensor arrangement, method and use11 Aug 2026US 12,704,295 B2Cambras GmbH
- IoT enabled laser-based pointed cleaning of solar panel4 Aug 2026US 12,700,826 B2International Business Machines Corporation
- Thermomechanically actuated PV cleaning system9 Jun 2026US 12,650,113 B2Imam Abdulrahman Bin Faisal University
- Solar collector10 Mar 2026US 12,571,562 B2Improved Energy Ltd
- Autonomous cleaning systems and methods for photovoltaic modules24 Feb 2026US 12,560,359 B2Nextpower LLC
- Solar site network24 Sep 2026US 2026/0291430 A1Array Tech, Inc.
- Solar Collector25 Jun 2026US 2026/0177288 A1Improved Energy Ltd
- Cleaning device and cleaning device system7 May 2026US 2026/0125919 A1Xingmai Innovation Technology (Suzhou) Co., Ltd.
- Toothbrush With Suction Tube19 Feb 2026US 2026/0047668 A1
- Automatic cleaning apparatus for solar collectors, photovoltaic panels, windows and similar surfaces22 Jan 2026US 2026/0020664 A1Universidad TéCnica Federico Santa MaríA
Most cited
By later US patents
- Method for determining temporal solar irradiance values96US 7,832,267 B2Ecometriks, LLC · 2010
- Transparent self-cleaning dust shield72US 6,911,593 B2Board of Trustees of the University of Arkansas · 2005
- Shadow band pyranometer with shadow band support52US 9,329,256 B2AccuFlux Inc. · 2016
- Robot for solar farms48US 9,020,636 B22015
- Solar energy collector and heat exchanger43US 4,202,322 ADel Manufacturing Company · 1980