B61G 11/08
Buffers: with rubber springs
Official title: with rubber springs
B61G11/08 (Buffers: with rubber springs) appears on 17 US grants and 9 published applications in this corpus.
Search patents in B61G- Granted patents
- 17
- Published applications
- 9
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cushioning unit with reduced tail yoke10 Dec 2024US 12,162,521 B2Strato, Inc.
- Cushioning unit with reduced tail yoke12 Oct 2021US 11,142,228 B2Strato, Inc.
- Friction end-of-car cushioning assembly29 Jun 2021US 11,046,339 B2Trinity Rail Group, LLC
- Device for coupling high-speed railroad cars and method for removing device3 Mar 2015US 8,967,404 B2East Japan Railway Company
- Elastomer cushion unit for railcar21 Mar 2024US 2024/0092404 A1Strato, Inc.
- Cushioning unit with reduced tail yoke31 Mar 2022US 2022/0097738 A1Strato, Inc.
- Cushioning unit with reduced tail yoke23 Jul 2020US 2020/0231191 A1Strato, Inc.
- Friction End-of-Car Cushioning Assembly7 Nov 2019US 2019/0337538 A1Trinity Rail Group, LLC
- Device for coupling high-speed railroad cars and method for removing device29 May 2014US 2014/0144863 A1East Japan Railway Company
Most cited
By later US patents
- Polymeric apparatus and method of making the same84US 4,566,678 AMiner Enterprises, Inc. · 1986
- Elastomeric spring unit31US 5,351,844 AMiner Enterprises, Inc. · 1994
- Cushioning device24US 4,111,406 AMidland-Ross Corporation · 1978
- Housing for draft gear15US 6,520,360 B1Miner Enterprises, Inc. · 2003
- Shock absorbers14US 4,348,015 AHutchinson-Mapa · 1982