B61K 13/00
Auxiliary equipment specially adapted for railways, not otherwise provided for: other auxiliaries
Official title: Other auxiliaries or accessories for railways
B61K13/00 (Auxiliary equipment specially adapted for railways, not otherwise provided for: other auxiliaries) appears on 91 US grants and 143 published applications in this corpus.
Search patents in B61K- Granted patents
- 91
- Published applications
- 143
- Assignees
- 104
- Inventors
- 350
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 1 | 5 |
| 2004 | 5 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 5 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 5 |
| 2011 | 3 | 3 |
| 2012 | 1 | 4 |
| 2013 | 5 | 3 |
| 2014 | 4 | 8 |
| 2015 | 0 | 5 |
| 2016 | 3 | 8 |
| 2017 | 6 | 6 |
| 2018 | 2 | 3 |
| 2019 | 10 | 9 |
| 2020 | 5 | 12 |
| 2021 | 7 | 12 |
| 2022 | 2 | 9 |
| 2023 | 6 | 6 |
| 2024 | 8 | 3 |
| 2025 | 10 | 14 |
| 2026 | 2 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Safety device21 Apr 2026US 12,606,220 B2
- Condition evaluation device, condition evaluation method and computer readable medium13 Jan 2026US 12,524,742 B2Mitsubishi Electric Corporation
- Use of residual iron within granulated metallic unit production facilities, and associated systems, devices, and methods11 Nov 2025US 12,465,973 B2Suncoke Technology and Development LLC
- Continuous granulated metallic units production, and associated systems, devices, and methods30 Sep 2025US 12,427,569 B2Suncoke Technology and Development LLC
- Low-carbon granulated metallic units23 Sep 2025US 12,420,335 B2Suncoke Technology and Development LLC
- Device for supplying electrical energy to a vehicle of an amusement ride, in particular of a roller coaster, and vehicle and amusement ride1 Oct 2026US 2026/0302886 A1Mack Rides GmbH & Co. KG
- Railway vehicle18 Jun 2026US 2026/0167238 A1ALSTOM Holdings
- Wireless charging system11 Jun 2026US 2026/0163406 A1MTR, Inc.
- Low-sulfur granulated metallic units, and associated systems, devices, and methods14 May 2026US 2026/0131376 A1Suncoke Technology and Development LLC
- System and Method for Removing Contaminated Materials from Railcars for Subsequent Recycling of the Rail Cars26 Feb 2026US 2026/0054300 A1
Most cited
By later US patents
- Railroad train monitoring system63US 7,688,218 B2Amsted Rail Company, Inc. · 2010
- Shock measuring method in goods transportation54US 5,701,257 AYamaichi Electronics Co., Ltd. · 1997
- Method and system for graphically identifying replacement parts for generally complex equipment34US 7,266,515 B2General Electric Company · 2007
- Railcar condition inspection database27US 7,627,546 B2General Electric Railcar Services Corporation · 2009
- Railroad rail-connector assembly25US 6,772,868 B2Pan Electric Corporation · 2004