E01F 9/512
Preformed road surface markings
Official title: Preformed road surface markings, e.g. of sheet material; Methods of applying preformed markings
E01F9/512 (Preformed road surface markings) appears on 155 US grants and 132 published applications in this corpus.
Search patents in E01F- Granted patents
- 155
- Published applications
- 132
- Assignees
- 52
- Inventors
- 284
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 8 | 5 |
| 2003 | 3 | 13 |
| 2004 | 4 | 2 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 2 |
| 2010 | 4 | 4 |
| 2011 | 0 | 4 |
| 2012 | 3 | 1 |
| 2013 | 5 | 3 |
| 2014 | 0 | 4 |
| 2015 | 4 | 8 |
| 2016 | 4 | 9 |
| 2017 | 5 | 6 |
| 2018 | 4 | 6 |
| 2019 | 3 | 6 |
| 2020 | 6 | 9 |
| 2021 | 4 | 11 |
| 2022 | 10 | 6 |
| 2023 | 3 | 4 |
| 2024 | 4 | 5 |
| 2025 | 4 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensor arrays, methods, systems and devices16 Jun 2026US 12,658,029 B2Metrocount Pty Ltd
- 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
- Magnetic marker installation method and supplemental tool for installing magnetic marker23 Dec 2025US 12,503,821 B2Aichi Steel Corporation
- Printable signage for traffic and pedestrian areas23 Dec 2025US 12,505,765 B2Patch Rubber Company
- Preformed thermoplastic pavement marking and method utilizing large aggregate for improved long term skid resistance and reduced tire tracking2 Sep 2025US 12,404,642 B2Ennis-Flint, Inc.
- Sensor arrays, methods, systems and devices17 Sep 2026US 2026/0279192 A1
- 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
- Magnetic marker installation method and supplemental tool for installing magnetic marker30 Oct 2025US 2025/0333915 A1Aichi Steel Corporation
- Retroreflective materials and articles incorporating near-ideal total internal retroreflective elements21 Aug 2025US 2025/0264644 A1Vergence Automation, Inc.
Most cited
By later US patents
- Deformable retroreflective pavement-marking sheet material106US 4,117,192 AMinnesota Mining and Manufacturing Company · 1978
- Primer for surfaces containing inorganic oxide83US 4,906,523 AMinnesota Mining and Manufacturing Company · 1990
- Process for making conformable thermoplastic marking sheet79US 5,194,113 AMinnesota Mining and Manufacturing Company · 1993
- Extended-life pavement-marking sheet material78US 4,248,932 AMinnesota Mining and Manufacturing Company · 1981
- Reinforced pavement-marking sheet material77US 4,490,432 AMinnesota Mining and Manufacturing Company · 1984