E01C 9/02
Wheel tracks
Official title: Wheel tracks (rail tracks for guiding vehicles E01B25/28)
E01C9/02 (Wheel tracks) appears on 22 US grants and 18 published applications in this corpus.
Search patents in E01C- Granted patents
- 22
- Published applications
- 18
- Assignees
- 13
- Inventors
- 39
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Highly automated mode of road traffic21 Apr 2026US 12,606,964 B2
- Crane mat and method of manufacture31 Jan 2023US 11,566,385 B2Sterling Site Access Solutions, LLC
- Method for operating a driverless transport system15 Feb 2022US 11,249,483 B2Robert Bosch GmbH
- Crane mat and method of manufacture21 Sep 2021US 11,124,925 B2Sterling Site Access Solutions, LLC
- Track, travel path forming unit, track laying method, and track maintenance method19 Jan 2021US 10,895,043 B2Mitsubishi Heavy Industries Engineering, Ltd.
- Conveyance system, main dolly, and maintenance method for semiconductor production apparatus20 Nov 2025US 2025/0353535 A1Kokusai Electric Corporation
- Secured "low voltage" sliding conductive connection device for static and dynamic charging of electric vehicles and associated methods29 Aug 2024US 2024/0286504 A1
- Highly automated mode of road traffic2 Mar 2023US 2023/0063561 A1
- Crane mat and method of manufacture25 Nov 2021US 2021/0363703 A1Sterling Site Access Solutions, LLC
- Method for Operating a Driverless Transport System1 Oct 2020US 2020/0310440 A1Robert Bosch GmbH
Most cited
By later US patents
- Intelligent public transit system using dual-mode vehicles28US 9,595,190 B2McCrary Personal Transport System, LLC · 2017
- Track for soft ground15US 4,460,291 A1984
- Track system for use with vehicles and methods regarding same13US 8,784,002 B2Property Props, Inc. · 2014
- Transportation system12US 3,942,449 ALTV Aerospace Corporation · 1976
- Portable tracks for a wheelchair11US 5,457,837 A1995