E01F 9/627
Self-righting after deflection or displacement
Official title: self-righting after deflection or displacement
E01F9/627 (Self-righting after deflection or displacement) appears on 241 US grants and 137 published applications in this corpus.
Search patents in E01F- Granted patents
- 241
- Published applications
- 137
- Assignees
- 89
- Inventors
- 306
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 5 |
| 2004 | 6 | 5 |
| 2005 | 5 | 6 |
| 2006 | 5 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 6 |
| 2009 | 4 | 4 |
| 2010 | 5 | 9 |
| 2011 | 5 | 4 |
| 2012 | 2 | 3 |
| 2013 | 3 | 8 |
| 2014 | 3 | 6 |
| 2015 | 2 | 2 |
| 2016 | 6 | 12 |
| 2017 | 6 | 4 |
| 2018 | 10 | 9 |
| 2019 | 3 | 3 |
| 2020 | 4 | 7 |
| 2021 | 3 | 6 |
| 2022 | 6 | 7 |
| 2023 | 5 | 6 |
| 2024 | 6 | 10 |
| 2025 | 5 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Indicator sleeve for a traffic director25 Nov 2025US 12,480,267 B2Seemees, LLC
- Bollard for floor installation27 May 2025US 12,312,756 B2
- Sign support structure16 Jul 2026US 2026/0201659 A1
- Traffic director and system and method for use thereof2 Apr 2026US 2026/0092419 A1Seemees, LLC
- A post19 Mar 2026US 2026/0078601 A1Flexiroof Limited
- Break resistant pivotable sign base27 Nov 2025US 2025/0361686 A1Lyle Signs, LLC
- High energy impact absorbing post25 Sep 2025US 2025/0297437 A1Boplan BV
Most cited
By later US patents
- Collapsible highway barrier76US 4,784,515 AEnergy Absorption Systems, Inc. · 1988
- Marker post having a webbed triangular cross section74US 6,099,203 A2000
- Traffic delineator63US 4,240,766 A1980
- Self-erecting roadway marking post54US 4,343,567 A1982
- Guardrail end terminal50US 4,607,824 AEnergy Absorption Systems, Inc. · 1986