E01F 9/524
Reflecting elements specially adapted for incorporation in or application to road surface
Official title: Reflecting elements specially adapted for incorporation in or application to road surface markings
E01F9/524 (Reflecting elements specially adapted for incorporation in or application to road surface) appears on 148 US grants and 112 published applications in this corpus.
Search patents in E01F- Granted patents
- 148
- Published applications
- 112
- Assignees
- 57
- Inventors
- 245
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 2 |
| 2004 | 3 | 3 |
| 2005 | 2 | 5 |
| 2006 | 0 | 5 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 7 |
| 2017 | 1 | 4 |
| 2018 | 2 | 6 |
| 2019 | 7 | 6 |
| 2020 | 6 | 7 |
| 2021 | 6 | 6 |
| 2022 | 8 | 10 |
| 2023 | 2 | 8 |
| 2024 | 8 | 7 |
| 2025 | 5 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a photoluminescent composition, photoluminescent composition obtained and method for maintaining luminance2 Jun 2026US 12,644,005 B2Olikrom
- Smart road marking construction method, smart road markings and autonomous driving system using the same26 May 2026US 12,637,815 B2Korea Institute of Civil Engineering and Building Technology
- Marking trafficked pavement substrates using a dry polymer modified cement3 Feb 2026US 12,540,104 B2
- Printable signage for traffic and pedestrian areas23 Dec 2025US 12,505,765 B2Patch Rubber Company
- Road stud12 Aug 2025US 12,385,195 B2Roadcare Co., Ltd.
- Water-based multi-component paint system9 Jul 2026US 2026/0193470 A1Team Segnal S.R.L.
- High performance road marking device, system, and manufacturing methods11 Jun 2026US 2026/0160032 A1
- Printable signage for traffic and pedestrian areas12 Mar 2026US 2026/0073820 A1Patch Rubber Company
- Polymeric modified cement compositions and methods of manufacture thereof20 Nov 2025US 2025/0354341 A1
- Retroreflective materials and articles incorporating near-ideal total internal retroreflective elements21 Aug 2025US 2025/0264644 A1Vergence Automation, Inc.
Most cited
By later US patents
- High incidence angle retroreflective material163US 4,349,598 AMinnesota Mining and Manufacturing Company · 1982
- Transparent non-vitreous ceramic particulate127US 4,564,556 AMinnesota Mining and Manufacturing Company · 1986
- Directional surface marking safety and guidance devices and systems124US 10,221,530 B22019
- Pavement markings containing transparent non-vitreous ceramic microspheres97US 4,758,469 AMinnesota Mining and Manufacturing Company · 1988
- Retroreflective black pavement marking articles60US 5,928,761 AMinnesota Mining and Manufacturing Company · 1999