E01F 13/026
Detachable barrier bollards or parking posts
Official title: {Detachable barrier bollards or parking posts (portable signs co-operating with permanent base E01F9/677)}
E01F13/026 (Detachable barrier bollards or parking posts) appears on 34 US grants and 37 published applications in this corpus.
Search patents in E01F- Granted patents
- 34
- Published applications
- 37
- Assignees
- 20
- Inventors
- 78
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 5 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 5 |
| 2025 | 4 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shutoff apparatus and system10 Feb 2026US 12,546,069 B2
- Security barrier with covering and method of installation thereof30 Dec 2025US 12,509,830 B2Heald Technologies Ltd.
- Device, method and system for detecting parking in a no parking area18 Nov 2025US 12,473,701 B2Municipal Parking Services, Inc.
- Bollard fence15 Jul 2025US 12,359,459 B2
- Bollard for floor installation27 May 2025US 12,312,756 B2
- Device, method and system for detecting parking in a no parking area12 Mar 2026US 2026/0071396 A1Municipal Parking Services, Inc.
- Security Ground Post5 Mar 2026US 2026/0062878 A1
- Bollard for floor installation26 Sep 2024US 2024/0318391 A1
- Bollard fence6 Jun 2024US 2024/0183188 A1
- Bollard System With Rapid Replacement Features29 Feb 2024US 2024/0068185 A1
Most cited
By later US patents
- Guard rail assembly for roads54US 5,152,507 A1992
- Safety barrier mount40US 5,553,833 AProtect- A- Child Pool Fence Systems, Inc. · 1996
- Mechanical barrier30US 4,003,161 A1977
- Removable and lockable barrier assembly24US 5,961,249 ABoard of Trustees operating Michigan State University · 1999
- Parking space barrier17US 4,062,149 A1977