B61C 13/04
Locomotives or motor railcars characterised by their application to special systems or
Official title: for elevated railways with rigid rails (B61C13/08 takes precedence)
B61C13/04 (Locomotives or motor railcars characterised by their application to special systems or) appears on 129 US grants and 68 published applications in this corpus.
Search patents in B61C- Granted patents
- 129
- Published applications
- 68
- Assignees
- 77
- Inventors
- 238
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 7 |
| 2020 | 2 | 1 |
| 2021 | 2 | 11 |
| 2022 | 6 | 2 |
| 2023 | 9 | 4 |
| 2024 | 4 | 2 |
| 2025 | 0 | 9 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contactless power feeder15 Sep 2026US 12,738,769 B2Daifuku Co., Ltd.
- Service vehicle with a vehicle pen17 Feb 2026US 12,552,420 B2Autostore Technology AS
- Track structure with center rail31 Dec 2024US 12,179,809 B2RIINO Inc.
- Conveyor system with automated carriers24 Sep 2024US 12,098,034 B2SST Systems, Inc.
- Overhead monorail driving unit group realizing mechanical fast power distribution21 May 2024US 11,987,273 B2Anhui University of Science and Technology
- Storage and retrieval systems for robotic picking30 Jul 2026US 2026/0216902 A1Nimble Robotics, Inc.
- Warehouse shuttle blocking arrangement30 Jul 2026US 2026/0217290 A1Movu
- Conveyance vehicle system30 Jul 2026US 2026/0217460 A1Murata Machinery, Ltd.
- An automated storage and retrieval system with logically operable barriers for safe enter and exit into a transport vehicle, and an associated method23 Jul 2026US 2026/0208769 A1Autostore Technology AS
- An automated storage and retrieval system comprising lockable barriers for safe transfer of persons into a transport vehicle on a live grid, and associated method23 Jul 2026US 2026/0208770 A1Autostore Technology AS
Most cited
By later US patents
- Carriage with tiltable plates, for sorting machines in particular50US 4,726,464 A1988
- Track-guided transport system with power and data transmission48US 6,089,512 ACegelec AEG Anlagen und Automatisierungstechnik GmbH · 2000
- Transporting system driven by linear motor having inductive power supply42US 5,551,350 ADaifuku Co., Ltd. · 1996
- Modular transportation system with aerodynamic lift augmented traction vehicles36US 4,841,871 A1989
- Interior railway transportation system35US 4,015,537 ADiebold, Incorporated · 1977