E01F 9/608
For guiding, warning or controlling traffic
Official title: for guiding, warning or controlling traffic, e.g. delineator posts or milestones
E01F9/608 (For guiding, warning or controlling traffic) appears on 109 US grants and 112 published applications in this corpus.
Search patents in E01F- Granted patents
- 109
- Published applications
- 112
- Assignees
- 55
- Inventors
- 220
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 1 | 1 |
| 2004 | 4 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 6 |
| 2007 | 0 | 3 |
| 2008 | 4 | 4 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 4 |
| 2015 | 1 | 2 |
| 2016 | 3 | 9 |
| 2017 | 3 | 3 |
| 2018 | 5 | 4 |
| 2019 | 5 | 13 |
| 2020 | 7 | 16 |
| 2021 | 8 | 5 |
| 2022 | 9 | 5 |
| 2023 | 9 | 7 |
| 2024 | 2 | 5 |
| 2025 | 2 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light-emitting traffic cone19 Aug 2025US 12,392,096 B2Cixi Shuangwei Road Facilities Co., Ltd.
- Hanger for mounting cables25 Mar 2025US 12,260,783 B2Outdoor Wireless Networks LLC
- Apparatus and method for controlling a functional road object10 Sep 2024US 12,084,822 B2HERE Global B. V.
- Driveway reflector holder and tool for installing2 Apr 2024US 11,946,210 B2
- Snow stake driver and associated method for using the same26 Dec 2023US 11,851,834 B2
- Monitoring and control of traffic control devices in work zones8 Oct 2026US 2026/0308857 A1
- Base member for a bollard1 Oct 2026US 2026/0297871 A1Atg Access Ltd.
- Sustainable bike lane barriers18 Jun 2026US 2026/0168188 A1
- Route guidance device for transportation planning31 Jul 2025US 2025/0243635 A1
- Hanger for mounting cables12 Jun 2025US 2025/0191501 A1Outdoor Wireless Networks LLC
Most cited
By later US patents
- Radio frequency transponder method for identifying geographical locations such as survey traverse points123US 5,825,298 A1998
- Flagger/marker/locator67US 6,053,260 A2000
- Hanger for mounting cables65US 9,866,004 B2CommScope Technologies LLC · 2018
- Underground utility location marker55US 6,095,081 A2000
- Marker post system52US 4,926,785 ALockwood Manufacturing Company · 1990