B60Q 1/305
Indicating devices for towed vehicles
Official title: {Indicating devices for towed vehicles}
B60Q1/305 (Indicating devices for towed vehicles) appears on 391 US grants and 333 published applications in this corpus.
Search patents in B60Q- Granted patents
- 391
- Published applications
- 333
- Assignees
- 151
- Inventors
- 658
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 3 |
| 2002 | 12 | 2 |
| 2003 | 7 | 8 |
| 2004 | 4 | 8 |
| 2005 | 7 | 14 |
| 2006 | 12 | 10 |
| 2007 | 7 | 9 |
| 2008 | 8 | 8 |
| 2009 | 5 | 6 |
| 2010 | 9 | 4 |
| 2011 | 6 | 7 |
| 2012 | 5 | 8 |
| 2013 | 1 | 10 |
| 2014 | 11 | 10 |
| 2015 | 7 | 13 |
| 2016 | 14 | 22 |
| 2017 | 12 | 22 |
| 2018 | 16 | 16 |
| 2019 | 18 | 22 |
| 2020 | 18 | 21 |
| 2021 | 15 | 21 |
| 2022 | 18 | 17 |
| 2023 | 20 | 17 |
| 2024 | 19 | 27 |
| 2025 | 19 | 15 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adapter for selecting lamp function in a truck trailer8 Sep 2026US 12,728,680 B2Grote Industries, Inc.
- Universal tail light enclosure for a towed vehicle7 Jul 2026US 12,673,606 B1American Manufacturing Operations, Inc.
- Trailer connector12 May 2026US 12,623,500 B2Ark Corporation Pty Ltd
- Tow light bracket configuration5 May 2026US 12,617,336 B2Master Tailgaters, LLC
- Translucent bunk cover28 Apr 2026US 12,611,978 B1
- Situation-aware dynamic trailer lights combined with adas vehicle functionality of a semi-truck6 Aug 2026US 2026/0229124 A1TORC Robotics, Inc.
- Continuous Monitoring Trailer Adapter23 Jul 2026US 2026/0208665 A1
- Wireless Taillight Towing Adapter23 Jul 2026US 2026/0208666 A1
- Systems and methods for facilitating optimal trailer weight distribution16 Jul 2026US 2026/0204111 A1Ford Global Technologies, LLC
- Smart cable system for a truck trailer18 Jun 2026US 2026/0166935 A1Grote Industries, Inc.
Most cited
By later US patents
- Power and communications link between a tractor and trailer240US 5,739,592 AGrote Industries, Inc. · 1998
- Bi-color led trailer connector circuit protector and indicator160US 6,259,170 B1Draw-Tite, Inc. · 2001
- Jacknife warning system65US 4,040,006 A1977
- Portable display equipment64US 4,087,785 AOver-Lowe Company, Inc. · 1978
- Auxiliary light wiring harness55US 4,280,062 ADouglas Dynamics, L.L.C. · 1981