B64F 1/224
Towing bars
Official title: {Towing bars}
B64F1/224 (Towing bars) appears on 49 US grants and 57 published applications in this corpus.
Search patents in B64F- Granted patents
- 49
- Published applications
- 57
- Assignees
- 29
- Inventors
- 108
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 3 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 5 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 4 | 3 |
| 2023 | 1 | 4 |
| 2024 | 5 | 9 |
| 2025 | 2 | 1 |
| 2026 | 2 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Offline intelligence advanced driver assistance system for aircraft towing25 Aug 2026US 12,715,611 B2TowFLEXX MilTech, Inc.
- General aviation portable electric towbar28 Jul 2026US 12,692,018 B2
- Tow-bar fitting30 Dec 2025US 12,509,245 B2Airbus Operations GmbH
- Ground support equipment for a high altitude long endurance aircraft25 Nov 2025US 12,479,600 B2AeroVironment, Inc.
- Ground support equipment for a high altitude long endurance aircraft1 Oct 2024US 12,103,707 B2AeroVironment, Inc.
- Tow bar provided with a device for mechanical movement of its running gear16 Jul 2026US 2026/0200595 A1
- Autonomous Aircraft Tow Vehicle With Coordinated Ground Service Operations16 Jul 2026US 2026/0200596 A1TowFLEXX MilTech, Inc.
- Autonomous Aircraft Tow Vehicle With Dynamic Steering Control16 Jul 2026US 2026/0200597 A1TowFLEXX MilTech, Inc.
- Tire alignment breaker bar, yoke and articulating utility16 Jul 2026US 2026/0200599 A1Government of the United States as Represented by the Secretary of the Air Force
- Aircraft tug9 Jul 2026US 2026/0192943 A1
Most cited
By later US patents