B61L 5/02
Mechanical devices for operating points or scotch-blocks
Official title: Mechanical devices for operating points or scotch-blocks {, e.g. local manual control}
B61L5/02 (Mechanical devices for operating points or scotch-blocks) appears on 69 US grants and 49 published applications in this corpus.
Search patents in B61L- Granted patents
- 69
- Published applications
- 49
- Assignees
- 49
- Inventors
- 130
- Latest grant
- 3 Feb 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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 4 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 7 |
| 2019 | 1 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 1 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reverse angled point slider3 Feb 2026US 12,539,901 B2
- Method for monitoring railway points and points machine16 Sep 2025US 12,415,554 B2Indtact GmbH
- Rail conveyor element25 Mar 2025US 12,258,053 B2Strothmann Machines & Handling GmbH
- Saborage-resistant switch device for moving railroad switch points1 Oct 2024US 12,104,331 B2
- Switch devices and methods for moving switch rails23 Apr 2024US 11,964,686 B2Precision Rail and Mfg., Inc.
- Method for monitoring railway points and points machine14 Aug 2025US 2025/0256747 A1Indtact GmbH
- Railroad switch device2 Nov 2023US 2023/0347947 A1Advanced Rail Systems, LLC
- Reverse Angled Point Slider12 Oct 2023US 2023/0322280 A1Vossloh Signaling USA, Inc.
- Switch devices and methods for moving switch rails1 Dec 2022US 2022/0379934 A1Precision Rail and Mfg., Inc.
- Rail Conveyor Element9 Jun 2022US 2022/0178084 A1Strothmann Machines & Handling GmbH
Most cited
By later US patents
- Switch stand27US 5,642,870 A1997
- Railroad switch stand20US 5,531,408 AChemetron-Railway Products, Inc. · 1996
- Monitoring status of railyard equipment using wireless sensing devices12US 7,388,483 B2General Electric Company · 2008
- Reversing device for movable parts of a railway switch11US 4,982,919 AVoest-Alpine Maschinenbau Gesellschaft m.b.H. · 1991
- Railroad spring wing frog with hold-open and shock dampening elements8US 6,286,791 B1ABC-NACO Inc. · 2001