E01F 13/02
Free-standing
Official title: free-standing; {portable, e.g. for guarding open manholes (E01F9/688 takes precedence); Portable signs or signals specially adapted for fitting to portable barriers}
E01F13/02 (Free-standing) appears on 578 US grants and 596 published applications in this corpus.
Search patents in E01F- Granted patents
- 578
- Published applications
- 596
- Assignees
- 328
- Inventors
- 1,024
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 3 |
| 2002 | 11 | 11 |
| 2003 | 7 | 12 |
| 2004 | 11 | 21 |
| 2005 | 10 | 21 |
| 2006 | 3 | 29 |
| 2007 | 12 | 22 |
| 2008 | 9 | 17 |
| 2009 | 9 | 20 |
| 2010 | 15 | 28 |
| 2011 | 11 | 18 |
| 2012 | 14 | 13 |
| 2013 | 12 | 20 |
| 2014 | 11 | 18 |
| 2015 | 12 | 26 |
| 2016 | 15 | 20 |
| 2017 | 24 | 34 |
| 2018 | 22 | 24 |
| 2019 | 32 | 42 |
| 2020 | 23 | 36 |
| 2021 | 26 | 34 |
| 2022 | 29 | 36 |
| 2023 | 24 | 30 |
| 2024 | 20 | 30 |
| 2025 | 24 | 16 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Barrier post with safety means6 Oct 2026US 12,753,558 B2Ans Development Co.,Ltd.
- Column gap cover system21 Jul 2026US 12,686,587 B2
- Pedestrian protective barrier21 Jul 2026US 12,686,979 B2
- Barrier stands23 Jun 2026US 12,662,782 B2Absolute Museum & Gallery Products Limited
- Vehicle mitigation system9 Jun 2026US 12,649,996 B2
- Portable road block17 Sep 2026US 2026/0275664 A1
- Retractable Banner Assembly With An Interchangeable Banner Cartridge Assembly17 Sep 2026US 2026/0275665 A1Modus, Co.
- Vehicle mitigation system17 Sep 2026US 2026/0275666 A1Meridian Rapid Defense Group, LLC
- Multiple Function Barrier Tape Holding Device10 Sep 2026US 2026/0266006 A1
- Articulating expandable barrier20 Aug 2026US 2026/0243036 A1
Most cited
By later US patents
- Portable fence119US 5,402,988 ASpecialty Recreation Equipment, Inc. · 1995
- Control barrier systems87US 5,836,714 AOff The Wall Production, Inc. · 1998
- Crowd control barrier system74US 5,611,641 A1997
- Safety post assembly70US 5,431,372 ADenpak Building Products, Inc. · 1995
- Portable expandable barrier64US 4,465,262 A1984