G08G 1/081
Plural intersections under common control
G08G1/081 (Plural intersections under common control) appears on 273 US grants and 339 published applications in this corpus.
Search patents in G08G- Granted patents
- 273
- Published applications
- 339
- Assignees
- 176
- Inventors
- 737
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 4 | 5 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 4 |
| 2009 | 0 | 3 |
| 2010 | 2 | 5 |
| 2011 | 3 | 9 |
| 2012 | 4 | 4 |
| 2013 | 3 | 10 |
| 2014 | 14 | 6 |
| 2015 | 8 | 11 |
| 2016 | 6 | 14 |
| 2017 | 9 | 14 |
| 2018 | 17 | 24 |
| 2019 | 17 | 25 |
| 2020 | 27 | 44 |
| 2021 | 26 | 26 |
| 2022 | 26 | 36 |
| 2023 | 18 | 26 |
| 2024 | 17 | 28 |
| 2025 | 35 | 22 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for improved traffic conditions visualization8 Sep 2026US 12,731,482 B2Google Inc.
- Artificial intelligence (AI) based smart traffic management4 Aug 2026US 12,700,304 B2
- Sensor based roadway traffic control system4 Aug 2026US 12,700,305 B2XRoadz Inc
- Method and apparatus for controlling traffic light28 Jul 2026US 12,694,784 B2Beijing Baidu Netcom Science Technology Co., Ltd.
- Introduction support apparatus of pedestrian-vehicle separated signal control, introduction support method, and non-transitory computer readable medium storing program30 Jun 2026US 12,670,786 B2NEC Corporation
- Sensor based roadway traffic control system1 Oct 2026US 2026/0301565 A1XRoadz Inc
- Method for the identification, triaging, and alerting of traffic anomalies at intersections17 Sep 2026US 2026/0279194 A1
- Smart traffic management system13 Aug 2026US 2026/0237297 A1Alebiosu Enterprises LLC
- Systems and Methods for Traffic Control During an Evacuation9 Jul 2026US 2026/0194358 A1
- Sensor based roadway traffic control system21 May 2026US 2026/0141804 A1XRoadz Inc
Most cited
By later US patents
- Road traffic control method and traffic facilities112US 7,860,639 B22010
- Traffic control method for multiple intersections104US 6,617,981 B22003
- Method for regional system wide optimal signal timing for traffic control based on wireless phone networks71US 6,539,300 B2Makor Issues and Rights Ltd. · 2003
- Simultaneously illuminating traffic light signals at different ranges60US 9,620,010 B2Brightway Vision Ltd. · 2017
- Method and apparatus for model-free optimal signal timing for system-wide traffic control49US 5,668,717 AThe Johns Hopkins University · 1997