B61L 1/163
Detection devices
Official title: {Detection devices}
B61L1/163 (Detection devices) appears on 74 US grants and 87 published applications in this corpus.
Search patents in B61L- Granted patents
- 74
- Published applications
- 87
- Assignees
- 58
- Inventors
- 188
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 0 |
| 2014 | 4 | 2 |
| 2015 | 0 | 5 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 3 |
| 2020 | 5 | 4 |
| 2021 | 2 | 7 |
| 2022 | 3 | 7 |
| 2023 | 4 | 8 |
| 2024 | 5 | 3 |
| 2025 | 10 | 21 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Track sensor arrangement3 Feb 2026US 12,539,900 B2Voestalpine Signaling Poland Sp. Z O. O.
- Broken rail detector4 Nov 2025US 12,459,551 B2Athena Industrial Technologies Inc.
- Apparatuses, systems, and methods for monitoring moving vehicles23 Sep 2025US 12,420,851 B2Norfolk Southern Corporation & Georgia Tech Research Corporation
- Monitoring system and method8 Oct 2026US 2026/0307694 A1Transportation IP Holdings, LLC
- 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
- Undercarriage inspection assemblies systems23 Oct 2025US 2025/0326411 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
- Vital wheel detector26US 5,628,479 AHarmon Industries, Inc. · 1997