B64U 50/34
In-flight charging
Official title: In-flight charging (photovoltaics B64U50/31)
B64U50/34 (In-flight charging) appears on 472 US grants and 602 published applications in this corpus.
Search patents in B64U- Granted patents
- 472
- Published applications
- 602
- Assignees
- 284
- Inventors
- 1,097
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 4 | 7 |
| 2015 | 4 | 10 |
| 2016 | 12 | 30 |
| 2017 | 25 | 47 |
| 2018 | 35 | 64 |
| 2019 | 49 | 79 |
| 2020 | 49 | 73 |
| 2021 | 58 | 83 |
| 2022 | 41 | 54 |
| 2023 | 63 | 58 |
| 2024 | 61 | 46 |
| 2025 | 48 | 26 |
| 2026 | 19 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slip-through tether and attachment system for robot movement along a tether6 Oct 2026US 12,752,939 B2America as represented by the Secretary of the Army
- Apparatus and method for capturing energy from a drone propeller system to utilize the energy to charge a battery15 Sep 2026US 12,735,207 B2Go Fan Yourself, LLC
- Mastless aerial lighting system11 Aug 2026US 12,703,506 B2STL Innovation LLC
- Apparatus having electric-field actuated generator for powering electrical load within vicinity of powerlines28 Jul 2026US 12,695,322 B2
- Hybrid electric drive systems for unmanned aircraft systems14 Jul 2026US 12,679,574 B2Dragoon Technology LLC
- Artificial loads for power spin up8 Oct 2026US 2026/0312515 A1Blue Vigil LLC
- Equatorial Stratospheric Sunbelts (ESS)17 Sep 2026US 2026/0274468 A1Sunlight Aerospace Inc.
- Device Sensing and Charging Using Networked Coils27 Aug 2026US 2026/0254276 A1Northeastern University
- Aircraft tow system6 Aug 2026US 2026/0225716 A1
- Charging an unmanned aerial vehicle using rail electrified at ground level30 Jul 2026US 2026/0217395 A1Microchip Technology Incorporated
Most cited
By later US patents
- Battery charging arrangement for unmanned aerial vehicle utilizing the electromagnetic field associated with utility power lines to generate power to inductively charge energy supplies302US 7,714,536 B1The United States of America as represented by the Secretary of the Navy · 2010
- Deployment and adjustment of airborne unmanned aerial vehicles291US 9,421,869 B1Amazon Technologies, Inc. · 2016
- Modular drone and methods for use237US 8,989,922 B2Azure Sky Group LLC · 2015
- Hose for conveying fluid169US 10,267,439 B2Icon Polymer Group Limited · 2019
- On-board redundant power system for unmanned aerial vehicles142US 9,376,208 B1Amazon Technologies, Inc. · 2016