E01F 9/40
Arrangements responsive to adverse atmospheric conditions
Official title: Arrangements responsive to adverse atmospheric conditions, e.g. to signal icy roads or to automatically illuminate in fog; Arrangements characterised by heating or drying means
E01F9/40 (Arrangements responsive to adverse atmospheric conditions) appears on 47 US grants and 46 published applications in this corpus.
Search patents in E01F- Granted patents
- 47
- Published applications
- 46
- Assignees
- 33
- Inventors
- 97
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 5 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 2 |
| 2017 | 4 | 4 |
| 2018 | 4 | 1 |
| 2019 | 4 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and system for detecting road surface condition and method for detecting road surface condition by using same13 May 2025US 12,300,101 B2SK Planet Co., Ltd.
- Visual cue system for roadways24 Dec 2024US 12,175,870 B2Cavnue Technology, LLC
- Apparatus and method for controlling a functional road object10 Sep 2024US 12,084,822 B2HERE Global B. V.
- System for illuminating a carriageway in a case of fog30 Jul 2024US 12,049,736 B2
- Road marker de-icing device31 Jan 2023US 11,566,388 B2Qatar University
- Road safety system including multiple road markers providing road hazard information on fog and icing3 Sep 2026US 2026/0259348 A1Kj System
- A road information display sign apparatus19 Mar 2026US 2026/0080808 A1Lagan Crawl Limited
- Visual cue system for roadways27 Feb 2025US 2025/0069504 A1Cavnue Technology, LLC
- Device and method for estimating and managing road surface types using sound signals6 Jun 2024US 2024/0183117 A1MoveAWheel, Inc.
- Display Board System Device for Controlling Snow Melting8 Feb 2024US 2024/0044089 A1GBSHOPCONTROMAX Co., Ltd.
Most cited
By later US patents
- Modules for elongated lighting system71US 6,866,394 B12005
- Systems and methods for predicting weather performance for a vehicle43US 9,187,099 B22015
- Pavement marker modules40US 10,253,468 B1Evolutionary Markings, Inc. · 2019
- Road barricade33US 5,248,215 AManfred Fladung GmbH · 1993
- Method and apparatus for detecting ice or frost deposition33US 6,328,467 B1The University of Tennessee Research Corporation · 2001