B60T 8/1818
Lever mechanism
Official title: {Lever mechanism}
B60T8/1818 (Lever mechanism) appears on 29 US grants and 1 published applications in this corpus.
Search patents in B60T- Granted patents
- 29
- Published applications
- 1
- Assignees
- 17
- Inventors
- 28
- Latest grant
- 6 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Braking control for rail vehicles with adaptive lining characteristic curve6 Jul 2021US 11,052,884 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Empty load device23 Dec 2003US 6,666,528 B1New York Air Brake Corporation
- Electro-pneumatic freight brake control system23 Sep 1997US 5,669,674 AWestinghouse Air Brake Company
- Electro-pneumatic freight brake control system24 Dec 1996US 5,586,813 AWestinghouse Air Brake Company
- Double brake booster9 Nov 1993US 5,259,666 ABendix Europe Services Techniques
Most cited
By later US patents
- Load responsive brake control valve9US 4,585,279 ANippon Air Brake Co., Ltd. · 1986
- Electro-pneumatic freight brake control system9US 5,586,813 AWestinghouse Air Brake Company · 1996
- Electro-pneumatic control apparatus for an electric/friction brake blending system7US 4,073,541 ANippon Air Brake Co., Ltd. · 1978
- Electro-pneumatic freight brake control system7US 5,669,674 AWestinghouse Air Brake Company · 1997
- Load-sensing valves6US 4,143,924 AClayton Dewandre Company Limited · 1979