B61G 9/14
With rubber springs
Official title: with rubber springs
B61G9/14 (With rubber springs) appears on 6 US grants and 4 published applications in this corpus.
Search patents in B61G- Granted patents
- 6
- Published applications
- 4
- Assignees
- 2
- Inventors
- 11
- Latest grant
- 24 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 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 | 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 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Railcar energy absorption system and related method for absorbing energy on a railcar24 Jan 2023US 11,560,162 B2Miner Enterprises, Inc.
- Railcar draft gear assembly25 Jun 2019US 10,328,957 B2Miner Enterprises, Inc.
- Railcar draft gear assembly17 Oct 2017US 9,789,888 B2Miner Enterprises, Inc.
- Railroad freight car draft gear assembly28 Oct 2014US 8,870,002 B2Miner Enterprises, Inc.
- Draft gear assembly24 Feb 1987US 4,645,187 AAmerican Standard Inc.
- Railcar energy absorption system and related method for absorbing energy on a railcar10 Dec 2020US 2020/0385033 A1Miner Enterprises, Inc.
- Railcar draft gear assembly27 Jul 2017US 2017/0210398 A1Miner Enterprises, Inc.
- Railcar draft gear assembly25 Feb 2016US 2016/0052530 A1Miner Enterprises, Inc.
- Railroad freight car draft gear assembly20 Jun 2013US 2013/0153526 A1Miner Enterprises, Inc.
Most cited
By later US patents
- Railroad car draft gear assembly with friction bore wear liners20US 4,591,059 AMiner Enterprises, Inc. · 1986
- Draft gear assembly17US 4,645,187 AAmerican Standard Inc. · 1987
- Railroad freight car draft gear assembly9US 8,870,002 B2Miner Enterprises, Inc. · 2014
- Railcar draft gear assembly8US 9,789,888 B2Miner Enterprises, Inc. · 2017
- Railcar draft gear assembly1US 10,328,957 B2Miner Enterprises, Inc. · 2019