B61L 1/16
Devices for counting axles
Official title: Devices for counting axles; Devices for counting vehicles
B61L1/16 (Devices for counting axles) appears on 113 US grants and 129 published applications in this corpus.
Search patents in B61L- Granted patents
- 113
- Published applications
- 129
- Assignees
- 77
- Inventors
- 277
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 3 | 5 |
| 2012 | 3 | 2 |
| 2013 | 5 | 0 |
| 2014 | 5 | 5 |
| 2015 | 2 | 8 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 6 | 10 |
| 2020 | 7 | 7 |
| 2021 | 2 | 8 |
| 2022 | 11 | 11 |
| 2023 | 5 | 14 |
| 2024 | 9 | 5 |
| 2025 | 13 | 22 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor to sensor edge traffic inference, system and method22 Sep 2026US 12,741,683 B2Konux GmbH
- Monitoring passing trains, system and method28 Apr 2026US 12,612,089 B2Konux GmbH
- Method for monitoring a railway track and monitoring system for monitoring a railway track14 Apr 2026US 12,600,389 B2Sensonic GmbH
- Rail contact element and drop off detection unit17 Feb 2026US 12,552,424 B2Thales Management & Services Deutschland GmbH
- Track sensor arrangement3 Feb 2026US 12,539,900 B2Voestalpine Signaling Poland Sp. Z O. O.
- Monitoring system and method8 Oct 2026US 2026/0307694 A1Transportation IP Holdings, LLC
- Axle counter decommissioning system23 Jul 2026US 2026/0208777 A1Dual Inventive Holding B.V.
- Vehicle control system11 Jun 2026US 2026/0159142 A1Transportation IP Holdings, LLC
- Precise placement of a sensor device on a rail track7 May 2026US 2026/0125085 A1Build Connected B.V.
- Apparatuses, systems, and methods for monitoring moving vehicles25 Dec 2025US 2025/0388248 A1Georgia Tech Research Corporation
Most cited
By later US patents
- Micropower impulse radar based wheel detector48US 5,764,162 AUnion Switch & Signal Inc. · 1998
- Railroad car wheel detector using hall effect element46US 4,524,932 AAmerican Standard Inc. · 1985
- Wireless railroad monitoring40US 8,423,240 B2International Electronic Machines Corp. · 2013
- Railway wheel counter and block control systems37US 6,371,417 B1L.B. Foster Company A. Pennsylvania Corp. · 2002
- Railroad car coupler gap analyzer33US 7,328,871 B2Progressive Rail Technologies, Inc. · 2008