E01F 9/553
Low discrete bodies
Official title: Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
E01F9/553 (Low discrete bodies) appears on 458 US grants and 301 published applications in this corpus.
Search patents in E01F- Granted patents
- 458
- Published applications
- 301
- Assignees
- 183
- Inventors
- 679
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 16 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 6 |
| 2002 | 11 | 15 |
| 2003 | 18 | 16 |
| 2004 | 11 | 22 |
| 2005 | 16 | 18 |
| 2006 | 13 | 16 |
| 2007 | 9 | 11 |
| 2008 | 9 | 14 |
| 2009 | 5 | 11 |
| 2010 | 6 | 14 |
| 2011 | 7 | 13 |
| 2012 | 10 | 7 |
| 2013 | 8 | 14 |
| 2014 | 9 | 6 |
| 2015 | 4 | 8 |
| 2016 | 8 | 7 |
| 2017 | 11 | 15 |
| 2018 | 7 | 13 |
| 2019 | 8 | 11 |
| 2020 | 16 | 18 |
| 2021 | 10 | 9 |
| 2022 | 12 | 9 |
| 2023 | 3 | 10 |
| 2024 | 9 | 8 |
| 2025 | 7 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Panel for a paver construction30 Jun 2026US D1,132,466 S1Airlite Plastics Co. · Design
- Method and system for supporting movement of mobile object24 Mar 2026US 12,586,213 B2Toyota Jidosha Kabushiki Kaisha
- Device for thwarting vehicular stunts17 Mar 2026US 12,577,744 B2Corporate Growth LLC
- RF navigation for motor vehicles24 Feb 2026US 12,560,698 B2TechNickel, Inc.
- Reflective road marker30 Dec 2025US 12,509,829 B2
- Active stud configured to provide omnidirectional light output27 Aug 2026US 2026/0250918 A1Clearview Intelligence Ltd.
- Retroreflectors providing information encoded in reflected non-visible laser while retaining visible light safety properties20 Aug 2026US 2026/0243931 A1Lighthouse Technology Group Inc.
- High performance road marking device, system, and manufacturing methods11 Jun 2026US 2026/0160032 A1
- Reflective road marker26 Mar 2026US 2026/0085480 A1
- System5 Mar 2026US 2026/0062876 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Inductively powered lamp unit198US 6,459,218 B2Auckland Uniservices Limited · 2002
- Highly efficient LED lamp178US 6,814,470 B2Farlight LLC · 2004
- Methods, systems and devices related to road mounted indicators for providing visual indications to approaching traffic125US 7,688,222 B2Spot Devices, Inc. · 2010
- Reflector structure98US 4,208,090 AAmerace Corporation · 1980
- Highly efficient luminaire having optical transformer providing precalculated angular intensity distribution and method therefore90US 6,543,911 B1Farlight LLC · 2003