G09F 13/0472
Traffic signs
Official title: {Traffic signs}
G09F13/0472 (Traffic signs) appears on 313 US grants and 70 published applications in this corpus.
Search patents in G09F- Granted patents
- 313
- Published applications
- 70
- Assignees
- 149
- Inventors
- 456
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 24 | 0 |
| 1996 | 19 | 0 |
| 1997 | 18 | 0 |
| 1998 | 17 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 2 |
| 2003 | 5 | 2 |
| 2004 | 5 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 1 | 3 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 2 | 1 |
| 2015 | 4 | 4 |
| 2016 | 4 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 5 |
| 2019 | 5 | 3 |
| 2020 | 5 | 2 |
| 2021 | 1 | 5 |
| 2022 | 4 | 5 |
| 2023 | 4 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- School bus safety devices and systems2 Jun 2026US 12,643,466 B2Bus Gates, Inc.
- Programmable sign device27 Jan 2026US 12,536,929 B2
- Concrete structure with embedded aesthetic features6 Jan 2026US 12,518,660 B1
- Parking device2 Dec 2025US 12,488,711 B1Prince Mohammad Bin Fahd University
- Sign post flasher assembly12 Mar 2024US 11,927,316 B2Trafficalm Systems, LLC
- Modular unit for a modular signaling column4 Jun 2026US 2026/0155028 A1
- Concrete structure with embedded aesthetic features9 Apr 2026US 2026/0100148 A1
- A road information display sign apparatus19 Mar 2026US 2026/0080808 A1Lagan Crawl Limited
- Battery-Operated Traffic Control Device8 Jan 2026US 2026/0011270 A1
- Traffic sign add-on4 Dec 2025US 2025/0369200 A1Imam Abdulrahman Bin Faisal University
Most cited
By later US patents
- Colored-light emitting display500US 4,271,408 AStanley Electric Co., Ltd. · 1981
- Light-emitting diode display481US 4,298,869 AZaidan Hojin Handotai Kenkyu Shinkokai · 1981
- Lighting-independent color video display260US 5,638,084 ADielectric Systems International, Inc. · 1997
- Large scale display using leds258US 5,450,301 ATrans-Lux Corporation · 1995
- Light emitting diode clusters for display signs256US 5,036,248 ALedstar Inc. · 1991