E01F 9/644
By connection of the "slide-shoe" type
Official title: {by connection of the "slide-shoe" type}
E01F9/644 (By connection of the "slide-shoe" type) appears on 4 US grants and 3 published applications in this corpus.
Search patents in E01F- Granted patents
- 4
- Published applications
- 3
- Assignees
- 3
- Inventors
- 13
- Latest grant
- 1 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy absorbing post having sliding rail assembly1 Jun 2021US 11,021,843 B2Kongju National University Industry-University Cooperation Foundation
- Slip base structure with clip device7 Jun 2011US 7,955,023 B2Kongju National University Industry-University Cooperation Foundation
- Disconnectable base support assembly for roadway signs1 Jun 1993US 5,215,400 A
- Pole support assembly15 May 1979US 4,154,037 A
- Bolt Retainer System30 Apr 2026US 2026/0117805 A1
- Crashworthy post having sliding rail assembly18 Jun 2020US 2020/0190753 A1Korea Institute of Civil Engineering and Building Technology
- Slip base structure with clip device7 Oct 2010US 2010/0254760 A1Kongju National University Industry-University Cooperation Foundation
Most cited
By later US patents
- Pole support assembly27US 4,154,037 A1979
- Slip base structure with clip device5US 7,955,023 B2Kongju National University Industry-University Cooperation Foundation · 2011
- Disconnectable base support assembly for roadway signs3US 5,215,400 A1993
- Energy absorbing post having sliding rail assembly1US 11,021,843 B2Kongju National University Industry-University Cooperation Foundation · 2021