B61K 7/025
Retarders of the mushroom type
Official title: {Retarders of the mushroom type}
B61K7/025 (Retarders of the mushroom type) appears on 11 US grants and 2 published applications in this corpus.
Search patents in B61K- Granted patents
- 11
- Published applications
- 2
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 8 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rail brake damper8 Jun 2021US 11,028,896 B2Stabilius GmbH
- Track brake with at least one vertically-movable braking element and method for determining the respective position thereof31 Mar 2015US 8,996,243 B2Siemens Aktiengesellschaft
- Rail brake, especially a holding brake18 Feb 2003US 6,520,298 B1Thyssen Krupp Automotive AG
- Distributive retarder test device17 Apr 2001US 6,216,525 B1AAA Sales & Engineering, Inc.
- Shock absorber13 Mar 2001US 6,199,671 B1New Joules Engineering (Sales) (Proprietary) Limited
Most cited
By later US patents
- Shock absorber unit27US 4,474,271 AStabilus GmbH · 1984
- Shock absorber16US 6,199,671 B1New Joules Engineering (Sales) (Proprietary) Limited · 2001
- Shock absorber15US 5,730,260 ANew Joules Engineering (Sales) (Proprietary) Limited · 1998
- Retarders suitable for wagon speed control12US 4,650,038 ADowty Hydraulic Units Limited · 1987
- Distributive retarder test device9US 6,216,525 B1AAA Sales & Engineering, Inc. · 2001