B64U 2101/45
Uavs specially adapted for particular uses or applications: for releasing liquids or
Official title: for releasing liquids or powders in-flight, e.g. crop-dusting
B64U2101/45 (Uavs specially adapted for particular uses or applications: for releasing liquids or) appears on 214 US grants and 393 published applications in this corpus.
Search patents in B64U- Granted patents
- 214
- Published applications
- 393
- Assignees
- 174
- Inventors
- 653
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 5 |
| 2015 | 1 | 1 |
| 2016 | 3 | 7 |
| 2017 | 6 | 18 |
| 2018 | 11 | 28 |
| 2019 | 13 | 31 |
| 2020 | 18 | 59 |
| 2021 | 17 | 56 |
| 2022 | 28 | 55 |
| 2023 | 20 | 39 |
| 2024 | 42 | 30 |
| 2025 | 29 | 33 |
| 2026 | 24 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Charging connection device for drone6 Oct 2026US 12,752,646 B2Argosdyne Co. Ltd.
- Unmanned aerial vehicle (UAV) pest abatement device6 Oct 2026US 12,752,917 B2
- Autonomous vehicle system for wind, solar and agricultural farms25 Aug 2026US 12,715,629 B2Inventus Holdings, LLC
- Unmanned aerial vehicle control method and apparatus, and unmanned aerial vehicle7 Jul 2026US 12,675,118 B2Sz Dji Technology Co., Ltd.
- Systems and methods for drone-based golf course maintenance2 Jun 2026US 12,642,196 B2EVZ Golf Group, LLC
- Drone-based fire prevention, suppression and evacuation system8 Oct 2026US 2026/0306885 A1
- Granular Material Spreading Performance Detection System For Agricultural Unmanned Aerial Vehicle And Operation Method Thereof8 Oct 2026US 2026/0307091 A1Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences
- Articulated ring wing evtol structure with distributed propulsion and advanced dynamic payload stabilization system and integrated energy regeneration and safety systems8 Oct 2026US 2026/0307829 A1Aerial MECHANICA Inc.
- Aerial vehicle management system and aerial vehicle8 Oct 2026US 2026/0310223 A1Kubota Corporation
- Drone, and conveying device for use in a drone17 Sep 2026US 2026/0274414 A1LEHNER Maschinenbau GmbH
Most cited
By later US patents
- Aerial farm robot system for crop dusting, planting, fertilizing and other field jobs99US 9,382,003 B2Bee Robotics Corporation · 2016
- Unmanned aerial vehicle having an elevated surface sensor86US 11,235,890 B1Working Drones, Inc. · 2022
- Unmanned aerial vehicle system and method for use45US 10,155,587 B12018
- Multifunction firefighting infrasound, hailstone, plant pollination drone apparatus and method45US 10,501,180 B22019
- Agricultural crop analysis drone29US 9,745,060 B2Topcon Positioning Systems, Inc. · 2017