B61L 23/002
Control or safety means for heart-points and crossings of aerial railways, funicular
Official title: {Control or safety means for heart-points and crossings of aerial railways, funicular rack-railway}
B61L23/002 (Control or safety means for heart-points and crossings of aerial railways, funicular) appears on 119 US grants and 69 published applications in this corpus.
Search patents in B61L- Granted patents
- 119
- Published applications
- 69
- Assignees
- 80
- Inventors
- 224
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 1 |
| 2003 | 4 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 9 |
| 2017 | 6 | 3 |
| 2018 | 3 | 9 |
| 2019 | 5 | 7 |
| 2020 | 5 | 4 |
| 2021 | 3 | 7 |
| 2022 | 3 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Train operation control method, vehicle on-board controller, and train18 Aug 2026US 12,709,315 B2BYD Company Limited
- Transport cart system24 Mar 2026US 12,583,492 B2Murata Machinery, Ltd.
- Train control system13 Jan 2026US 12,522,266 B2Hitachi, Ltd.
- Hash overhead hoist transport rail system and methods of operating the same4 Nov 2025US 12,463,072 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Rail conveyor element25 Mar 2025US 12,258,053 B2Strothmann Machines & Handling GmbH
- Hash overhead hoist transport rail system and methods of operating the same27 Nov 2025US 2025/0364290 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Control system for railway yard and related methods21 Nov 2024US 2024/0386269 A1ITS Technologies & Logistics, LLC
- Control system for railway yard and related methods21 Nov 2024US 2024/0386270 A1ITS Technologies & Logistics, LLC
- Train operation control method, vehicle on-board controller, and train11 Jul 2024US 2024/0227888 A1BYD Company Limited
- Cable car and method of operating a cable car11 Apr 2024US 2024/0116554 A1Doppelmayr Management AG
Most cited
By later US patents
- Intelligent transport system176US 6,810,817 B12004
- Transducer and interrogator device148US 5,701,121 AMagellan Technology Pty Limited · 1997
- System and method for remote control of unmanned vehicles132US 9,720,419 B2Humanistic Robotics, Inc. · 2017
- Method and apparatus for controlling and monitoring movement of material-transporting carriages120US 4,630,216 ATranslogic Corporation · 1986
- Vehicle control system93US 4,023,753 AInternational Standard Electric Corporation · 1977