E01F 9/61
Special features of delineator posts
Official title: {Special features of delineator posts, e.g. with parts cantilevered toward the roadway or fixed vertically on a tilted surface (E01F9/669, E01F9/535, E01F9/576 take precedence)}
E01F9/61 (Special features of delineator posts) appears on 32 US grants and 22 published applications in this corpus.
Search patents in E01F- Granted patents
- 32
- Published applications
- 22
- Assignees
- 11
- Inventors
- 54
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 2 |
| 2022 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Self-powered delineator including lighting-emitter22 Nov 2022US 11,505,905 B2Initech Co., Ltd.
- Roadside delineator device4 Oct 2022US 11,459,713 B2
- Barrier construction6 Sep 2022US 11,434,613 B2Industrial Galvanizers Corporation Pty Ltd
- Structure of sign pole and sign pole19 Apr 2022US 11,306,452 B2Kanagawa Giken Ltd.
- Structure of sign pole and sign pole16 Mar 2021US 10,947,683 B2Kanagawa Giken Ltd.
- Roadside Delineator Device25 Aug 2022US 2022/0267971 A1
- Structure of sign pole and sign pole27 May 2021US 2021/0156096 A1Kanagawa Giken Ltd.
- Self-powered delineator including lighting-emitter25 Mar 2021US 2021/0087761 A1Initech Co., Ltd.
- Driveway marker pole mount systems5 Nov 2020US 2020/0347563 A1The Hillman Group, Inc.
- Structure of sign pole and sign pole6 Aug 2020US 2020/0248416 A1Kanagawa Giken Ltd.
Most cited
By later US patents