B64D 1/16
Dropping or releasing powdered, liquid, or gaseous matter
Official title: Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D37/26)
B64D1/16 (Dropping or releasing powdered, liquid, or gaseous matter) appears on 606 US grants and 776 published applications in this corpus.
Search patents in B64D- Granted patents
- 606
- Published applications
- 776
- Assignees
- 344
- Inventors
- 1,265
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 7 |
| 2003 | 6 | 2 |
| 2004 | 1 | 4 |
| 2005 | 3 | 6 |
| 2006 | 4 | 5 |
| 2007 | 6 | 5 |
| 2008 | 1 | 5 |
| 2009 | 0 | 3 |
| 2010 | 9 | 9 |
| 2011 | 3 | 8 |
| 2012 | 2 | 10 |
| 2013 | 8 | 15 |
| 2014 | 8 | 21 |
| 2015 | 12 | 9 |
| 2016 | 18 | 22 |
| 2017 | 19 | 42 |
| 2018 | 26 | 51 |
| 2019 | 38 | 62 |
| 2020 | 34 | 86 |
| 2021 | 43 | 106 |
| 2022 | 52 | 101 |
| 2023 | 53 | 63 |
| 2024 | 68 | 53 |
| 2025 | 60 | 47 |
| 2026 | 32 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Unmanned aerial vehicle (UAV) pest abatement device6 Oct 2026US 12,752,917 B2
- Device for jettisoning fluid in a determined direction for a firefighting host aircraft and aircraft equipped with such a device25 Aug 2026US 12,714,893 B2Airbus SAS
- System for dropping a liquid25 Aug 2026US 12,715,011 B2Centre National de la Recherche Scientifique (CNRS)
- Method and apparatus used for biological control of agricultural pests25 Aug 2026US 12,715,581 B2
- Gyroscopically stabilised firefighting aerial vehicles28 Jul 2026US 12,691,999 B2Zircon Chambers Pty. Ltd.
- 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
- Aerial vehicle management system and aerial vehicle8 Oct 2026US 2026/0310223 A1Kubota Corporation
- Systems and methods for vehicle license plate cleaning1 Oct 2026US 2026/0296378 A1Ford Global Technologies, LLC
- Wired drone for treating a surface by spraying a treatment fluid1 Oct 2026US 2026/0299617 A1Fly Renov
- Machine to Machine Targeting Maintaining Positive Identification1 Oct 2026US 2026/0299620 A1AeroVironment, Inc.
Most cited
By later US patents
- Method and apparatus for drone detection and disablement152US 9,862,489 B12018
- Portable containment for chemicals101US 5,090,588 APortable Containment, Inc. · 1992
- 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
- System, mobile base station and umbilical cabling and tethering (UCAT) assist system75US 10,011,352 B1Working Drones, Inc. · 2018