G08G 1/08
According to detected number or speed of vehicles
Official title: according to detected number or speed of vehicles
G08G1/08 (According to detected number or speed of vehicles) appears on 447 US grants and 544 published applications in this corpus.
Search patents in G08G- Granted patents
- 447
- Published applications
- 544
- Assignees
- 255
- Inventors
- 1,069
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 5 |
| 2003 | 4 | 4 |
| 2004 | 3 | 4 |
| 2005 | 4 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 4 |
| 2008 | 4 | 3 |
| 2009 | 2 | 5 |
| 2010 | 3 | 7 |
| 2011 | 2 | 6 |
| 2012 | 2 | 8 |
| 2013 | 7 | 12 |
| 2014 | 9 | 15 |
| 2015 | 12 | 12 |
| 2016 | 14 | 27 |
| 2017 | 16 | 24 |
| 2018 | 30 | 41 |
| 2019 | 35 | 49 |
| 2020 | 38 | 62 |
| 2021 | 51 | 51 |
| 2022 | 41 | 44 |
| 2023 | 42 | 47 |
| 2024 | 36 | 49 |
| 2025 | 38 | 43 |
| 2026 | 21 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Notification system29 Sep 2026US 12,749,402 B2Stanley Electric Co., Ltd.
- Energy-efficient vehicle and/or traffic light control22 Sep 2026US 12,741,640 B2Alliance for Energy Innovation, LLC
- Systems and methods for improved traffic conditions visualization8 Sep 2026US 12,731,482 B2Google Inc.
- Signal control system, apparatus, method, and computer-readable medium11 Aug 2026US 12,705,977 B2NEC Corporation
- Artificial intelligence (AI) based smart traffic management4 Aug 2026US 12,700,304 B2
- System and method for providing traffic congestion relief using dynamic lighted road lane markings24 Sep 2026US 2026/0290157 A1
- Method of controlling traffic flow and detecting traffic rule violations and system performing the same17 Sep 2026US 2026/0279197 A1
- System and method for emergency supervision of tunnel traffic in smart cities based on internet of things large model17 Sep 2026US 2026/0279198 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- Smart traffic management system13 Aug 2026US 2026/0237297 A1Alebiosu Enterprises LLC
- Methods and systems for advanced traffic analysis6 Aug 2026US 2026/0229116 A1
Most cited
By later US patents
- Intelligent traffic control and warning system and method217US 6,317,058 B12001
- Apparatus and system for monitoring and managing traffic flow188US 9,224,293 B22015
- Traffic control system124US 5,646,853 AHitachi, Ltd. · 1997
- Apparatus and system to manage monitored vehicular flow rate110US 10,037,689 B22018
- Traffic monitoring system100US 5,617,086 AInternational Road Dynamics Inc. · 1997