B61F 15/12
Axle-boxes: with roller, needle, or ball bearings
Official title: with roller, needle, or ball bearings
B61F15/12 (Axle-boxes: with roller, needle, or ball bearings) appears on 43 US grants and 37 published applications in this corpus.
Search patents in B61F- Granted patents
- 43
- Published applications
- 37
- Assignees
- 24
- Inventors
- 94
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 6 | 6 |
| 2020 | 5 | 3 |
| 2021 | 7 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Wheel set intermediate frame for a rail vehicle10 Sep 2024US 12,084,097 B2Siemens Mobility GmbH
- Adapter assembly of generator and axle-end generator assembly21 Feb 2023US 11,584,401 B2Schaeffler Technologies AG & Co. KG
- Insert and wear ring for a railway roller bearing11 Jan 2022US 11,220,279 B2Amsted Rail Company, Inc.
- Bogie structure for mountain railway car21 Dec 2021US 11,203,364 B2Korea Railroad Research Institute
- Insert and wear ring for a railway roller bearing26 Oct 2021US 11,155,283 B2Amsted Rail Company, Inc.
- Wireless onboard railroad bearing condition monitoring system19 May 2022US 2022/0153324 A1Board of Regents, The University of Texas System
- Adapter assembly of generator and axle-end generator assembly21 Oct 2021US 2021/0323586 A1Schaeffler Technologies AG & Co. KG
- Wheel set intermediate frame for a rail vehicle16 Sep 2021US 2021/0284204 A1Siemens Mobility GmbH
- Bogie structure for mountain railway car24 Dec 2020US 2020/0398873 A1Korea Railroad Research Institute
- Axle box for a railway vehicle1 Oct 2020US 2020/0307657 A1
Most cited
By later US patents
- High capacity integrated railway car truck52US 6,371,033 B1AMSTED Industries Incorporated · 2002
- Auxiliary bearing system29US 5,810,485 A1998
- Taper roller bearing, particularly for railway use26US 4,728,204 ARIV-SKF Officine di Villar Perosa S.p.A. · 1988
- Suspension device for side members on axle-boxes for railway carriages or similar appliances21US 3,945,327 ASociete Anonyme Usines Emile Henricot · 1976
- Compact bearing and stiffened journal18US 5,462,367 AThe Timken Company · 1995