B61J 1/12
Rollers or devices for shifting or transporting rail vehicles on rails
B61J1/12 (Rollers or devices for shifting or transporting rail vehicles on rails) appears on 9 US grants and 5 published applications in this corpus.
Search patents in B61J- Granted patents
- 9
- Published applications
- 5
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 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 | 1 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Locked-axle wheel cradle, system, and method26 Nov 2024US 12,151,721 B2BNSF Railway Company
- Locked-axle wheel cradle, system, and method15 Aug 2023US 11,724,723 B1BNSF Railway Company
- Transfer system for diagnosing vehicle and method thereof23 Jun 2020US 10,692,308 B2Hyundai Motor Company
- Railcar positioning system for curved track11 Jul 2017US 9,701,324 B2Calbrandt, Inc.
- Locked-axle wheel cradle, system, and method13 Mar 2025US 2025/0083714 A1BNSF Railway Company
- Locked-axle wheel cradle, system, and method28 Mar 2024US 2024/0101169 A1BNSF Railway Company
- Transfer system for diagnosing vehicle and method thereof12 Jul 2018US 2018/0197356 A1Hyundai Motor Company
- Railcar positioning system for curved track11 Aug 2016US 2016/0229431 A1Calbrandt, Inc.
- Automated vehicle conveyance apparatus transportation system23 May 2013US 2013/0125778 A1
Most cited
By later US patents
- Wheel position control for railway maintenance vehicle37US 4,534,297 A1985
- Combination railcar moving vehicle and trailer spotter21US 4,537,137 AWhite Machinery Corporation · 1985
- Transfer system for diagnosing vehicle and method thereof9US 10,692,308 B2Hyundai Motor Company · 2020
- Transfer wheel assembly for transporting disabled railway vehicle4US 4,579,064 ANew York City Transit Authority · 1986