E01F 9/623
Characterised by form or by structural features
Official title: characterised by form or by structural features, e.g. for enabling displacement or deflection
E01F9/623 (Characterised by form or by structural features) appears on 818 US grants and 536 published applications in this corpus.
Search patents in E01F- Granted patents
- 818
- Published applications
- 536
- Assignees
- 351
- Inventors
- 1,154
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 15 | 0 |
| 1983 | 5 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 22 | 0 |
| 1987 | 9 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 20 | 0 |
| 1991 | 22 | 0 |
| 1992 | 14 | 0 |
| 1993 | 25 | 0 |
| 1994 | 16 | 0 |
| 1995 | 24 | 0 |
| 1996 | 20 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 18 | 0 |
| 2000 | 27 | 0 |
| 2001 | 21 | 4 |
| 2002 | 22 | 18 |
| 2003 | 16 | 15 |
| 2004 | 13 | 18 |
| 2005 | 14 | 22 |
| 2006 | 17 | 25 |
| 2007 | 10 | 23 |
| 2008 | 8 | 18 |
| 2009 | 11 | 21 |
| 2010 | 20 | 28 |
| 2011 | 17 | 14 |
| 2012 | 11 | 9 |
| 2013 | 13 | 23 |
| 2014 | 14 | 30 |
| 2015 | 16 | 20 |
| 2016 | 27 | 26 |
| 2017 | 18 | 23 |
| 2018 | 22 | 30 |
| 2019 | 22 | 30 |
| 2020 | 15 | 22 |
| 2021 | 20 | 18 |
| 2022 | 22 | 31 |
| 2023 | 17 | 16 |
| 2024 | 18 | 23 |
| 2025 | 11 | 15 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01F 9/627Self-righting after deflection or displacement241
- E01F 9/654In the form of three-dimensional [3d] bodies238
- E01F 9/631Specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or210
- E01F 9/65With rotatable, swingable or adjustable signs or signals72
- E01F 9/646Extensible, collapsible or pivotable69
Recent patents
- Roadway safety device6 Oct 2026US 12,753,557 B2Argo Corp, Inc.
- Ultra-shallow bollard assembly8 Sep 2026US 12,729,494 B2Allied Tube & Conduit Corporation
- Safe zone post assembly8 Sep 2026US 12,729,495 B2
- Impact absorbing bollard30 Jun 2026US 12,668,935 B2McCue Corporation
- Impact absorbing post24 Mar 2026US 12,584,278 B2Three Smith Group Limited
- Torque-Limiting Coupling System for Use in Breakaway Mounting Systems for Roadway Signposts and Methods of Use1 Oct 2026US 2026/0298294 A1
- Inflatable and flexible delineator post10 Sep 2026US 2026/0266005 A1
- Autonomous Street Pole Comfort System (ASPCS)23 Jul 2026US 2026/0210561 A1
- Sign support structure16 Jul 2026US 2026/0201659 A1
- Pole and pole unit2 Jul 2026US 2026/0185312 A1NEC Corporation
Most cited
By later US patents
- Solar warning light124US 5,453,729 A1995
- Portable fence119US 5,402,988 ASpecialty Recreation Equipment, Inc. · 1995
- Breakaway sign post coupling95US 4,926,592 AUnistrut International Corp. · 1990
- Illuminating safety and notification device91US 7,878,678 B12011
- Junction members and their uses90US 5,864,997 ABrickel Designs · 1999