G08G 1/097
Supervising of traffic control systems
Official title: Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
G08G1/097 (Supervising of traffic control systems) appears on 141 US grants and 147 published applications in this corpus.
Search patents in G08G- Granted patents
- 141
- Published applications
- 147
- Assignees
- 91
- Inventors
- 308
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 2 |
| 2016 | 1 | 7 |
| 2017 | 4 | 24 |
| 2018 | 11 | 14 |
| 2019 | 13 | 10 |
| 2020 | 12 | 14 |
| 2021 | 7 | 10 |
| 2022 | 9 | 22 |
| 2023 | 12 | 14 |
| 2024 | 9 | 6 |
| 2025 | 10 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bus bay with variable berths and operation method therefor6 Oct 2026US 12,753,617 B2Hohai University
- Compliance method and system for traffic control devices17 Feb 2026US 12,555,479 B2Smart Infrastructure Maintenance Applications Inc.
- General control system10 Feb 2026US 12,548,430 B2Hitachi, Ltd.
- Smart traffic control devices and beacons, methods of their operation, and use by vehicles of information provided by the devices and beacons16 Dec 2025US 12,497,046 B2
- Driving profiles for autonomous vehicles9 Dec 2025US 12,491,887 B2Inrix, Inc.
- Method and vehicle for measuring the quality of a traffic infrastructure element13 Aug 2026US 2026/0237294 A1Volkswagen Aktiengesellschaft
- Smart traffic control devices and beacons, methods of their operation, and use by vehicles of information provided by the devices and beacons2 Jul 2026US 2026/0184312 A1
- Integrated digital state monitor2 Jul 2026US 2026/0188117 A1Integrity Security Services LLC
- Traffic light classification for autonomous or semi-autonomous systems and applications7 May 2026US 2026/0127963 A1NVIDIA Corporation
- Intelligent Entry and Egress for Dedicated Lane19 Mar 2026US 2026/0080774 A1Cavnue Technology, LLC
Most cited
By later US patents
- Circuit arrangement and signalling light provided with the circuit arrangement168US 6,147,458 ALumileds Lighting B.V. · 2000
- Method and apparatus for monitoring electrical devices73US 5,248,967 A1993
- Circuit for generating first and second in-phase alternating signals66US 5,260,669 ALectro Products, Inc. · 1993
- Traffic light and back-up traffic controller40US 5,208,584 A1993
- State/interval redundant controller system for traffic signals39US 4,463,339 A1984