B61L 23/24
Using token systems
Official title: using token systems, e.g. train staffs, tablets
B61L23/24 (Using token systems) appears on 12 US grants and 11 published applications in this corpus.
Search patents in B61L- Granted patents
- 12
- Published applications
- 11
- Assignees
- 11
- Inventors
- 31
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 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 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Collision protection and safety system for rail vehicles31 Mar 2026US 12,589,785 B2Harsco Technologies LLC
- Collision protection and safety system for rail vehicles9 Jan 2024US 11,866,077 B2Harsco Technologies LLC
- Collision protection and safety system for rail vehicles12 Jan 2021US 10,889,310 B2Harsco Technologies LLC
- Control of rail vehicles2 Oct 2018US 10,086,856 B2Siemens Aktiengesellschaft
- Transporting vehicle system, and method of controlling transporting vehicle5 Dec 2017US 9,834,238 B2Murata Machinery, Ltd.
- A control method for a control system of a railway transport facility and said control system of a railway transport facility9 Jul 2026US 2026/0192835 A1Hitachi Rail Sts S.P.A.
- Collision protection and safety system for rail vehicles23 Jan 2025US 2025/0026387 A1Harsco Technologies LLC
- Collision protection and safety system for rail vehicles3 Feb 2022US 2022/0032980 A1Harsco Technologies LLC
- Collision protection and safety system for rail vehicles30 Aug 2018US 2018/0244292 A1Harsco Technologies LLC
- Transporting vehicle system, and method of controlling transporting vehicle25 May 2017US 2017/0144681 A1Murata Machinery, Ltd.
Most cited
By later US patents
- Railway vehicle detection44US 8,157,218 B2Westinghouse Brake and Signal Holdings Limited · 2012
- Wayside oriented moving block38US 4,166,599 AGeneral Signal Corporation · 1979
- Anti-collision safety device for a passenger transport system on tracks10US 3,964,702 AEngins Matra · 1976
- Signaling system9US 7,756,613 B2Hitachi, Ltd. · 2010
- Control systems for controlling the passage of vehicles4US 4,858,859 ABritish Railways Board · 1989