B30B 15/284
Releasing fluid from a fluid chamber subjected to overload pressure
Official title: {releasing fluid from a fluid chamber subjected to overload pressure}
B30B15/284 (Releasing fluid from a fluid chamber subjected to overload pressure) appears on 34 US grants and 5 published applications in this corpus.
Search patents in B30B- Granted patents
- 34
- Published applications
- 5
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic drive13 Oct 2020US 10,800,124 B2HAWE Hydraulik SE
- Hydraulic drive with rapid stroke and load stroke28 May 2019US 10,302,101 B2Voith Patent GmbH
- Press load controlling apparatus for mechanical press23 Dec 2014US 8,915,181 B2Aida Engineering, Ltd.
- Method for controlling an electric cylinder and a control system for the electric cylinder10 Jun 2014US 8,749,180 B2Sintokogio, Ltd.
- Overload safety device in a press11 Apr 2006US 7,024,991 B2Schuler Pressen GmbH
- Hydraulic drive5 Apr 2018US 2018/0093440 A1HAWE Hydraulik SE
- Hydraulic drive with rapid stroke and load stroke24 Mar 2016US 2016/0084276 A1Voith Patent GmbH
- Method for controlling an electric cylinder and a control system for the electric cylinder11 Apr 2013US 2013/0088182 A1Sintokogio, Ltd.
- Press load controlling apparatus for mechanical press19 Apr 2012US 2012/0090482 A1Aida Engineering, Ltd.
- Overload safety device in a press8 Jan 2004US 2004/0003730 A1Schuler Pressen GmbH
Most cited
By later US patents
- Overload preventive device23US 5,787,926 AKomatsu Industries Corporation · 1998
- Press having overload responsive slide shut height adjusting mechanism20US 4,166,415 AGulf & Western Manufacturing Company · 1979
- Hydraulic protection device for presses19US 4,030,336 A1977
- Hydraulic position control for mechanical power press slides17US 4,289,066 ANiagara Machine & Tool Works · 1981
- Channel baler16US 6,257,131 B1Welger GmbH · 2001