B64C 13/20
Using radiated signals
Official title: using radiated signals
B64C13/20 (Using radiated signals) appears on 121 US grants and 141 published applications in this corpus.
Search patents in B64C- Granted patents
- 121
- Published applications
- 141
- Assignees
- 77
- Inventors
- 286
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 4 | 3 |
| 2005 | 2 | 5 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 2 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 4 |
| 2015 | 4 | 0 |
| 2016 | 3 | 0 |
| 2017 | 4 | 8 |
| 2018 | 1 | 10 |
| 2019 | 8 | 17 |
| 2020 | 7 | 15 |
| 2021 | 16 | 14 |
| 2022 | 8 | 28 |
| 2023 | 14 | 9 |
| 2024 | 18 | 6 |
| 2025 | 10 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile device, network node and methods for identifying equipment27 Jan 2026US 12,536,794 B2Telefonaktiebolaget LM Ericsson (publ)
- Suspicious aircraft countermeasure device, suspicious aircraft countermeasure method, and recording medium20 Jan 2026US 12,531,650 B2NEC Corporation
- Circuit, base station, method, and recording medium23 Dec 2025US 12,504,753 B2Sony Group Corporation
- Information processing device and information processing method23 Sep 2025US 12,422,846 B2Sony Group Corporation
- Systems and methods for the remote piloting of an electric aircraft29 Jul 2025US 12,372,957 B2Beta Air, LLC
- Drone system, computer-readable recording medium having stored therein drone control program, and drone control method13 Aug 2026US 2026/0236020 A1Tohoku University
- Automatic control system of aircraft, effectiveness evaluation method therefor, and measurement apparatus for the automatic control system4 Dec 2025US 2025/0368320 A1Japan Aerospace Exploration Agency
- Methods and systems for remote controlled vehicle26 Jun 2025US 2025/0208619 A1Rotor Technologies, Inc.
- Systems and Methods for Efficient Cruise and Hover in VTOL19 Jun 2025US 2025/0196998 A1California Institute of Technology
- Unmanned moving object, information processing method, and computer program19 Jun 2025US 2025/0199541 A1Sony Group Corporation
Most cited
By later US patents
- PFN/TRAC system FAA upgrades for accountable remote and robotics control to stop the unauthorized use of aircraft and to improve equipment management and public safety in transportation319US 6,965,816 B2Kline and Walker LLC · 2005
- Uninhabited airborne vehicle in-flight refueling system101US 6,819,982 B2The Boeing Company · 2004
- Generic drone control system91US 5,240,207 AThe United States of America as represented by the Secretary of the Navy · 1993
- Automatic formation flight control system (AFFCS)—a system for automatic formation flight control of vehicles not limited to aircraft, helicopters, or space platforms61US 6,926,233 B12005
- On-the-fly accuracy enhancement for civil GPS receivers53US 5,786,790 ANorthrop Grumman Corporation · 1998