B61F 5/142
Made of rubber elements, graphite or the like
Official title: {made of rubber elements, graphite or the like}
B61F5/142 (Made of rubber elements, graphite or the like) appears on 67 US grants and 40 published applications in this corpus.
Search patents in B61F- Granted patents
- 67
- Published applications
- 40
- Assignees
- 29
- Inventors
- 100
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 5 |
| 2006 | 4 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 2 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 5 |
| 2014 | 6 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Railcar truck roller bearing adapter-pad systems6 May 2025US 12,291,247 B2Nevis Industries LLC
- Side bearing7 May 2024US 11,975,748 B2
- Methods and systems for a vehicle truck yaw separator11 Apr 2023US 11,623,668 B2Transportation IP Holdings, LLC
- Railway truck assembly having compressible side bearings28 Mar 2023US 11,613,281 B2Amsted Rail Company, Inc.
- Railcar truck roller bearing adapter-pad systems31 Jan 2023US 11,565,728 B2Nevis Industries LLC
- Railcar Truck Roller Bearing Adapter-Pad Systems11 Jan 2024US 2024/0010246 A1Nevis Industries LLC
- Railcar Truck Roller Bearing Adapter-Pad Systems16 Nov 2023US 2023/0365167 A1Nevis Industries LLC
- Railway truck assembly having compressible side bearings28 Apr 2022US 2022/0126890 A1Amsted Rail Company, Inc.
- Side bearing21 Oct 2021US 2021/0324910 A1
- Methods and systems for a vehicle truck yaw separator17 Sep 2020US 2020/0290655 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Multi-rate side bearing for a railway truck51US 4,434,720 AAMSTED Industries Incorporated · 1984
- Elastomeric spring assembly for a railcar and method of making same38US 6,877,623 B2Miner Enterprises, Inc. · 2005
- Railroad-vehicle truck frame with transoms having flanges and central webs34US 4,674,411 AWegmann & Co. GmbH · 1987
- Constant contact side bearing34US 5,601,031 AMiner Enterprises, Inc. · 1997
- Side bearing unit for railroad car33US 4,998,997 AMiner Enterprises, Inc. · 1991