E01F 9/529
Specially adapted for signalling by sound or vibrations
Official title: specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
E01F9/529 (Specially adapted for signalling by sound or vibrations) appears on 138 US grants and 139 published applications in this corpus.
Search patents in E01F- Granted patents
- 138
- Published applications
- 139
- Assignees
- 71
- Inventors
- 262
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 4 |
| 2004 | 1 | 5 |
| 2005 | 3 | 10 |
| 2006 | 6 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 5 | 3 |
| 2010 | 3 | 5 |
| 2011 | 3 | 5 |
| 2012 | 1 | 4 |
| 2013 | 3 | 2 |
| 2014 | 1 | 5 |
| 2015 | 1 | 8 |
| 2016 | 4 | 5 |
| 2017 | 8 | 5 |
| 2018 | 3 | 9 |
| 2019 | 8 | 9 |
| 2020 | 9 | 9 |
| 2021 | 5 | 7 |
| 2022 | 5 | 10 |
| 2023 | 1 | 5 |
| 2024 | 3 | 4 |
| 2025 | 10 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for decoding information6 Oct 2026US 12,755,116 B2TORC Robotics, Inc.
- Road stud12 Aug 2025US 12,385,195 B2Roadcare Co., Ltd.
- Apparatus and method for creating a musical road29 Jul 2025US 12,371,863 B2
- Intelligent speed regulator8 Jul 2025US 12,351,999 B2
- Smart speed bump and methods for energy generation1 Jul 2025US 12,345,002 B1Imam Mohammad Ibn Saud Islamic University
- System and method for decoding information18 Jun 2026US 2026/0170282 A1TORC Robotics, Inc.
- System5 Mar 2026US 2026/0062876 A1Toyota Jidosha Kabushiki Kaisha
- Inflatable Speed Regulator11 Dec 2025US 2025/0376816 A1
- Speed Limiting Apparatus4 Dec 2025US 2025/0369199 A1
- Portable speed bump assembly9 Oct 2025US 2025/0314027 A1
Most cited
By later US patents
- Directional surface marking safety and guidance devices and systems124US 10,221,530 B22019
- Speed bumps for roadways61US 4,697,294 A1987
- Traffic divider witl ballast fill and drainage channel51US 5,104,254 AMateriels et Applications de Securite pour les Aeroports l'Industrie et les Routes · 1992
- Traffic lane delineator42US 4,515,499 A1985
- Determination of vehicle assistance from vehicle vibration that results when the vehicle contacts vibration generating structures on the road41US 6,014,595 AHonda Giken Kogyo Kabushiki Kaisha · 2000