B61H 9/02
Brakes characterised by, or modified for, their application to special railway systems
Official title: for aerial, e.g. rope, railways
B61H9/02 (Brakes characterised by, or modified for, their application to special railway systems) appears on 77 US grants and 86 published applications in this corpus.
Search patents in B61H- Granted patents
- 77
- Published applications
- 86
- Assignees
- 45
- Inventors
- 122
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 1 | 6 |
| 2014 | 3 | 5 |
| 2015 | 3 | 4 |
| 2016 | 5 | 7 |
| 2017 | 5 | 7 |
| 2018 | 8 | 4 |
| 2019 | 5 | 8 |
| 2020 | 6 | 4 |
| 2021 | 5 | 7 |
| 2022 | 2 | 9 |
| 2023 | 7 | 7 |
| 2024 | 5 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiple line compression spring dampening system3 Mar 2026US 12,565,248 B2
- Overhead rail and trolley system3 Feb 2026US 12,539,898 B2Pellerin Milnor Corporation
- Trolley system and associated rails and tracks16 Sep 2025US 12,415,552 B2Whoosh Hold LP
- Gravity-powered zip line trolley return system24 Jun 2025US 12,337,248 B1Sleaddventures, LLC
- Transport apparatus10 Jun 2025US 12,327,745 B2Semes Co., Ltd.
- Overhead rail and trolley system6 Aug 2026US 2026/0225628 A1Pellerin Milnor Corporation
- Overhead rail and trolley system21 May 2026US 2026/0138653 A1Pellerin Milnor Corporation
- Actuator activated by transversal acceleration5 Feb 2026US 2026/0036189 A1Brillianze Sweden AB
- Perfected brake27 Mar 2025US 2025/0100595 A1Adrenaline X-Treme Adventures Group S.R.L.
- Descent Control Device31 Oct 2024US 2024/0359040 A1Sherrill, Inc.
Most cited
By later US patents
- Trolley for downhill zip line thrill ride49US 8,424,460 B22013
- Zipline braking and motion-arrest system45US 7,381,137 B2Ziptrek Ecotours, Inc. · 2008
- Continuous assist zipline braking and control system31US 9,573,605 B2Ziptrek Ecotours, Inc. · 2017
- Zip line braking25US 9,033,115 B22015
- Zipline trolley system23US 8,336,463 B2Skyline Zipline Global, LLC · 2012