E01F 9/646
Extensible, collapsible or pivotable
Official title: extensible, collapsible or pivotable (E01F9/627, E01F9/631 take precedence)
E01F9/646 (Extensible, collapsible or pivotable) appears on 69 US grants and 54 published applications in this corpus.
Search patents in E01F- Granted patents
- 69
- Published applications
- 54
- Assignees
- 37
- Inventors
- 117
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 5 |
| 2019 | 1 | 6 |
| 2020 | 2 | 4 |
| 2021 | 5 | 4 |
| 2022 | 4 | 9 |
| 2023 | 4 | 2 |
| 2024 | 6 | 5 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Swing arrangement for a pole24 Jun 2025US 12,338,643 B2Phoenix Ems Pty Ltd
- Modular post10 Jun 2025US 12,325,964 B2Brady Corporation
- Foldable temporary and portable road sign structure22 Oct 2024US 12,123,154 B2Tranex Roads & Traffic Pty Ltd.
- Bollard sleeve with removable or replaceable lid24 Sep 2024US 12,098,511 B21-800-Bollards, Inc.
- Frame sign support6 Aug 2024US 12,057,033 B2SmartSign LLC
- Route guidance device for transportation planning31 Jul 2025US 2025/0243635 A1
- Crosswalk safety system22 May 2025US 2025/0166505 A1BASE AND POWER CITY Corp.
- Swing arrangement for a pole15 Aug 2024US 2024/0271453 A1Phoenix Ems Pty Ltd
- Shock Absorbing Retractable Bollard Systems20 Jun 2024US 2024/0200293 A1Rite-Hite Holding Corporation
- Bollard sleeve with removable or replaceable lid22 Feb 2024US 2024/0060255 A11-800-Bollards, Inc.
Most cited
By later US patents
- Curbing64US 5,772,357 APartners In Innovation Limited, LLC · 1998
- Collapsible warning barricade apparatus44US 4,792,258 AWarning Lites of Illinois, Inc. · 1988
- Traffic marker and base unit38US 5,613,798 A1997
- Barrel and barrel base37US 4,973,190 AFlex-O-Lite, Inc. · 1990
- Highway signs and flags capable of being rolled up37US 4,980,984 ATraffic Devices, Inc. · 1991