B61K 7/00
Railway stops fixed to permanent way
Official title: Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
B61K7/00 (Railway stops fixed to permanent way) appears on 136 US grants and 60 published applications in this corpus.
Search patents in B61K- Granted patents
- 136
- Published applications
- 60
- Assignees
- 79
- Inventors
- 206
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 6 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 8 | 2 |
| 2014 | 2 | 6 |
| 2015 | 4 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 1 | 3 |
| 2023 | 4 | 8 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Railway management system with brake calculation and related method29 Sep 2026US 12,746,959 B2Wsp Global, Inc.
- Systems and methods for retarding the speed of a railcar16 Jun 2026US 12,654,751 B2Precision Rail and Mfg., Inc.
- Monitoring device for a buffer stop26 May 2026US 12,637,122 B2Amx Automation Technologies GmbH
- Actuator apparatus with precision bearings and light sensor6 Jan 2026US 12,515,715 B2DTL Linear, LLC
- Rapid braking of shuttles powered by electromagnets20 May 2025US 12,304,753 B1Amazon Technologies, Inc.
- Warehouse shuttle blocking arrangement30 Jul 2026US 2026/0217290 A1Movu
- Brake shoe for self-clamping retention of a unit that is transportable on rails2 Oct 2025US 2025/0305549 A1Siemens Energy Global GmbH & Co. KG
- Electric railroad retarder22 May 2025US 2025/0162549 A1Advanced Rail Systems, LLC
- Retarder devices and methods for shimming retarder devices for slowing railcars2 Jan 2025US 2025/0002060 A1Precision Rail and Mfg., Inc.
- Self-centring impact energy dissipation mechanism21 Mar 2024US 2024/0093755 A1Universidad Catolica De La Santisima Concepcion
Most cited
By later US patents
- Railway car retarder system40US 5,676,337 AUnion Switch & Signal Inc. · 1997
- Cushioned braking system for a monorail trolley37US 5,904,099 APlayworld Systems, Inc. · 1999
- Movable stops for railway vehicles33US 4,572,080 AOleo International Holdings Limited · 1986
- Shock absorber unit27US 4,474,271 AStabilus GmbH · 1984
- Railway car retarder25US 5,388,525 A1995