B61F 15/28
Axle-boxes modified to ensure electrical conductivity
B61F15/28 (Axle-boxes modified to ensure electrical conductivity) appears on 12 US grants and 7 published applications in this corpus.
Search patents in B61F- Granted patents
- 12
- Published applications
- 7
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 25 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Earthing contact and method for dissipating electric currents25 Oct 2022US 11,479,278 B2Schunk Transit Systems GmbH
- Railroad car roller bearing adapter assembly24 Sep 2019US 10,421,468 B2Standard Car Truck Company
- Railway truck with improved bearing adapter27 Aug 2019US 10,392,033 B2Amsted Rail Company, Inc.
- Grounding contact for an axle having a sliding contact element and a sensor26 Feb 2013US 8,382,494 B2Schunl Bahn-und Industrietechnik GmbH
- Track short-circuit and current return device for a rail vehicle24 Jan 2012US 8,102,075 B2Alstom Transport SA
- Grounding contact and method for operating16 May 2024US 2024/0157984 A1Schunk Transit Systems GmbH
- Earthing contact and method for dissipating electric currents17 Feb 2022US 2022/0048545 A1Schunk Transit Systems GmbH
- Railway truck with improved bearing adapter18 Jan 2018US 2018/0015935 A1Amsted Rail Company, Inc.
- Railroad car roller bearing adapter assembly11 May 2017US 2017/0129510 A1Standard Car Truck Company
- Grounding Contact1 Mar 2012US 2012/0052701 A1Schunl Bahn-und Industrietechnik GmbH
Most cited
By later US patents
- Earth-connector for a rubber-cushioned rail vehicle wheel6US 4,458,966 ASAB Industri AB · 1984
- Device for measuring a physical quantity associated with the rotation of a member3US 6,522,127 B1Alstom France S.A. · 2003
- Grounding contact2US 6,443,744 B1Schunk Metall und Kunststoff GmbH · 2002
- Steering truck1US 4,459,918 ACreusot-Loire · 1984
- Grounding contact1US 5,924,871 ASchunk Metall und Kunststoff GmbH · 1999