B61K 7/18
Buffer stops
B61K7/18 (Buffer stops) appears on 10 US grants and 4 published applications in this corpus.
Search patents in B61K- Granted patents
- 10
- Published applications
- 4
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring device for a buffer stop26 May 2026US 12,637,122 B2Amx Automation Technologies GmbH
- Fixed bumping post26 Nov 2002US 6,484,643 B1
- Rail brake element29 May 2001US 6,237,726 B1A. Rawie GmbH & Co.
- Apparatus for attaching buffer stop to railroad track2 Feb 1999US 5,865,122 AWestern-Cullen-Hayes, Inc.
- Rail brake element17 Nov 1998US 5,836,252 AA. Rawie GmbH & Co.
Most cited
By later US patents
- Movable stops for railway vehicles33US 4,572,080 AOleo International Holdings Limited · 1986
- Rail brake element7US 5,836,252 AA. Rawie GmbH & Co. · 1998
- Apparatus for attaching buffer stop to railroad track7US 5,865,122 AWestern-Cullen-Hayes, Inc. · 1999
- Buffer stop6US 4,325,307 ADowty Hydraulic Units Limited · 1982
- Buffer stop5US 5,209,165 ABICC Public Limited Company · 1993