G09F 2009/3055
For traffic signs
Official title: {for traffic signs}
G09F2009/3055 (For traffic signs) appears on 18 US grants and 12 published applications in this corpus.
Search patents in G09F- Granted patents
- 18
- Published applications
- 12
- Assignees
- 20
- Inventors
- 46
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Luminous logo and manufacturing method therefore22 Jul 2025US 12,365,294 B2Zf Asia Pacific Automotive Safety Systems (Shanghai) Co., Ltd.
- LED sign system with redundant controller30 May 2023US 11,663,934 B2Ledstar Inc.
- Decorative item with a light effect2 May 2023US 11,639,791 B2The Swatch Group Research and Development Ltd
- Apparatus and method for attaching signs to foundation members such as road barriers22 Dec 2020US 10,873,287 B2Stinson Equipment Limited
- Light emitting sign apparatus using optical fiber including solar-responsive light sensors10 Nov 2020US 10,832,598 B2Altech Co., Ltd.
- Luminous logo and manufacturing method therefore8 Feb 2024US 2024/0042947 A1ZF Automotive Technologies (Shanghai) Co., Ltd.
- Led sign system with redundant controller14 Apr 2022US 2022/0114925 A1Ledstar Inc.
- Decorative item with a light effect25 Mar 2021US 2021/0088209 A1The Swatch Group Research and Development Ltd
- Light emitting sign apparatus using optical fiber14 Nov 2019US 2019/0347966 A1Altech Co., Ltd.
- Light emitting sign apparatus using optical fiber14 Feb 2019US 2019/0048541 A1Altech Co., Ltd.
Most cited
By later US patents
- Waterproof lighting apparatus52US 6,030,108 ABridgestone Corporation · 2000
- Display matrix incorporating light-conducting fibers and light-occulting shutters16US 4,794,391 ASecurite et Signalisation · 1988
- Light-emitting unit for optical fiber lightguides11US 5,408,572 ASchott Glaswerke · 1995
- Display device10US 5,394,167 ASecurite et Signalisation · 1995
- Device for signal transmission by means of optical conductors9US 4,039,250 ASiemens Aktiengesellschaft · 1977