G08G
Traffic control systems
Official title: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93})
G08G (Traffic control systems) appears on 39,380 US grants and 47,918 published applications in this corpus.
Search patents in G08G- Granted patents
- 39,380
- Published applications
- 47,918
- Assignees
- 7,055
- Inventors
- 62,018
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 44 | 0 |
| 1978 | 32 | 0 |
| 1979 | 22 | 0 |
| 1980 | 39 | 0 |
| 1981 | 38 | 0 |
| 1982 | 31 | 0 |
| 1983 | 31 | 0 |
| 1984 | 31 | 0 |
| 1985 | 18 | 0 |
| 1986 | 23 | 0 |
| 1987 | 29 | 0 |
| 1988 | 40 | 0 |
| 1989 | 62 | 0 |
| 1990 | 54 | 0 |
| 1991 | 46 | 0 |
| 1992 | 64 | 0 |
| 1993 | 67 | 0 |
| 1994 | 95 | 0 |
| 1995 | 114 | 0 |
| 1996 | 123 | 0 |
| 1997 | 165 | 0 |
| 1998 | 233 | 0 |
| 1999 | 241 | 0 |
| 2000 | 278 | 0 |
| 2001 | 335 | 97 |
| 2002 | 393 | 506 |
| 2003 | 387 | 525 |
| 2004 | 419 | 599 |
| 2005 | 349 | 639 |
| 2006 | 420 | 670 |
| 2007 | 367 | 824 |
| 2008 | 402 | 885 |
| 2009 | 444 | 882 |
| 2010 | 522 | 1018 |
| 2011 | 637 | 971 |
| 2012 | 801 | 1053 |
| 2013 | 901 | 1231 |
| 2014 | 1226 | 1525 |
| 2015 | 1398 | 1601 |
| 2016 | 1463 | 1949 |
| 2017 | 1957 | 2689 |
| 2018 | 2194 | 3504 |
| 2019 | 2882 | 3981 |
| 2020 | 3108 | 4466 |
| 2021 | 3046 | 4031 |
| 2022 | 3243 | 3775 |
| 2023 | 2969 | 3232 |
| 2024 | 3032 | 3086 |
| 2025 | 2765 | 2566 |
| 2026 | 1740 | 1613 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- G08G 1/00Traffic control systems for road vehicles31,165
- G08G 5/00Traffic control systems for aircraft8,043
- G08G 3/00Traffic control systems for marine craft511
- G08G 9/00Traffic control systems for craft where the kind of craft is irrelevant197
- G08G 7/00Traffic control systems for simultaneous control of two or more different kinds122
- G08G 99/00Subject matter not provided for in other groups of this subclass7
Recent patents
- Vehicle decision-making planning method and apparatus, device and medium6 Oct 2026US 12,752,775 B2Uisee Technologies (Beijing) Ltd.
- Bus bay with variable berths and operation method therefor6 Oct 2026US 12,753,617 B2Hohai University
- System and method for customizing noise abatement departure procedures6 Oct 2026US 12,754,567 B2Honeywell Aerospace US LLC
- Systems and methods of sensor data fusion6 Oct 2026US 12,754,977 B2Digital Global Systems, Inc.
- Telematics based on handset movement within a moving vehicle6 Oct 2026US 12,755,323 B2Arity 875, LLC
- Vehicle control device8 Oct 2026US 2026/0307650 A1Hitachi Astemo, Ltd.
- Preparing autonomous vehicles for turns8 Oct 2026US 2026/0307681 A1Waymo LLC
- Monitoring and control of traffic control devices in work zones8 Oct 2026US 2026/0308857 A1
- Drone system with distributed basing8 Oct 2026US 2026/0308932 A1MatrixSpace, Inc.
- Process and system for tracking ground movement8 Oct 2026US 2026/0309493 A1Trans-Plan Transportation Inc.
Most cited
By later US patents
- Travel reservation information and planning system2,363US 5,948,040 ADeLorme Publishing Co. · 1999
- Rearview vision system for vehicle including panoramic view1,778US 5,670,935 ADonnelly Corporation · 1997
- Integrated routing/mapping information1,518US 6,321,158 B1DeLorme Publishing Co. · 2001
- Display enhancements for vehicle vision system1,367US 5,949,331 ADonnelly Corporation · 1999
- Object detection system for vehicle1,327US 7,038,577 B2Donnelly Corporation · 2006