B61B
Railway systems
Official title: RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)
B61B (Railway systems) appears on 2,714 US grants and 2,254 published applications in this corpus.
Search patents in B61B- Granted patents
- 2,714
- Published applications
- 2,254
- Assignees
- 1,037
- Inventors
- 4,443
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 44 | 0 |
| 1978 | 37 | 0 |
| 1979 | 20 | 0 |
| 1980 | 31 | 0 |
| 1981 | 36 | 0 |
| 1982 | 38 | 0 |
| 1983 | 36 | 0 |
| 1984 | 34 | 0 |
| 1985 | 24 | 0 |
| 1986 | 36 | 0 |
| 1987 | 54 | 0 |
| 1988 | 44 | 0 |
| 1989 | 45 | 0 |
| 1990 | 51 | 0 |
| 1991 | 41 | 0 |
| 1992 | 40 | 0 |
| 1993 | 32 | 0 |
| 1994 | 35 | 0 |
| 1995 | 38 | 0 |
| 1996 | 39 | 0 |
| 1997 | 48 | 0 |
| 1998 | 37 | 0 |
| 1999 | 26 | 0 |
| 2000 | 32 | 0 |
| 2001 | 65 | 17 |
| 2002 | 55 | 42 |
| 2003 | 40 | 38 |
| 2004 | 28 | 35 |
| 2005 | 22 | 37 |
| 2006 | 23 | 34 |
| 2007 | 16 | 48 |
| 2008 | 21 | 52 |
| 2009 | 31 | 68 |
| 2010 | 46 | 64 |
| 2011 | 36 | 70 |
| 2012 | 47 | 71 |
| 2013 | 72 | 85 |
| 2014 | 71 | 79 |
| 2015 | 68 | 81 |
| 2016 | 64 | 116 |
| 2017 | 80 | 103 |
| 2018 | 94 | 131 |
| 2019 | 111 | 134 |
| 2020 | 111 | 135 |
| 2021 | 108 | 158 |
| 2022 | 118 | 159 |
| 2023 | 106 | 149 |
| 2024 | 130 | 143 |
| 2025 | 118 | 125 |
| 2026 | 84 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B61B 13/00Railway systems: other railway systems1,174
- B61B 12/00Component parts, details or accessories not provided for in groups b61b7/00 -534
- B61B 3/00Elevated railway systems with suspended vehicles404
- B61B 10/00Power and free systems326
- B61B 1/00General arrangement of stations, platforms, or sidings310
- B61B 7/00Rope railway systems with suspended flexible tracks275
- B61B 5/00Elevated railway systems without suspended vehicles130
- B61B 15/00Combinations of railway systems95
Recent patents
- Electromagnet switch for shuttles on a track6 Oct 2026US 12,752,824 B1Amazon Technologies, Inc.
- Cornering structure and cableway installation comprising this structure29 Sep 2026US 12,746,951 B2Poma
- Operation setting device of autonomous bogie, non-transitory computer readable medium storing operation setting program, and operation setting method22 Sep 2026US 12,743,089 B2Keigan Inc.
- Transport facility22 Sep 2026US 12,745,599 B2Daifuku Co., Ltd.
- Transport vehicle15 Sep 2026US 12,735,267 B2Daifuku Co., Ltd.
- Rail guided carriage system and method for estimating abnormal section of rail guided carriage system8 Oct 2026US 2026/0307689 A1Murata Machinery, Ltd.
- Personal transportation system8 Oct 2026US 2026/0307695 A1TPT Technologies, Inc.
- Monument Sliding Rail System with Height Adjust8 Oct 2026US 2026/0307796 A1B/E Aerospace, Inc.
- Conveying facility with a conveying unit for the suspended transport of transport elements for different types of conveyed items3 Sep 2026US 2026/0257700 A1Ferag AG
- Transport system3 Sep 2026US 2026/0257706 A1Murata Machinery, Ltd.
Most cited
By later US patents
- Method and apparatus for sorting items245US 7,861,844 B2Opex Corporation · 2011
- Intelligent transport system176US 6,810,817 B12004
- Load transport and restraining devices and methods for restraining loads171US 9,809,308 B2General Electric Company · 2017
- Segmented tilt tray sorter165US 6,246,023 B1Siemens ElectroCom, L.P. · 2001
- Drive mechanism143US 4,759,439 ADominion Chain Inc. · 1988