F15B 2211/476
The flow in the reverse direction being blocked
Official title: the flow in the reverse direction being blocked
F15B2211/476 (The flow in the reverse direction being blocked) appears on 6 US grants and 4 published applications in this corpus.
Search patents in F15B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 26 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Residual load relief system for hydraulic compactors having rotary pumps26 May 2020US 10,661,521 B2
- Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor3 Dec 2013US 8,596,186 B2ZF Friedrichshafen AG
- Hydraulic driving system of construction machinery10 Mar 2009US 7,500,360 B2Hitachi Constuction Machinery Co., Ltd.
- Pressure/flow rate control valve2 Oct 2001US 6,296,013 B1SMC Corporation
- Energy recovery device2 Feb 1999US 5,865,028 AHydac Technology GmbH
- Residual Load Relief System for Hydraulic Compactors Having Rotary Pumps2 Aug 2018US 2018/0215116 A1
- Merging circuit of hydraulic apparatus21 Jan 2016US 2016/0017898 A1Caterpillar SARL
- Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor4 Aug 2011US 2011/0185888 A1ZF Friedrichshafen AG
- Hydraulic driving system of construction machinery11 Aug 2005US 2005/0175485 A1Hitachi Constuction Machinery Co., Ltd.
Most cited
By later US patents
- Hydraulic driving system of construction machinery11US 7,500,360 B2Hitachi Constuction Machinery Co., Ltd. · 2009
- Energy recovery device10US 5,865,028 AHydac Technology GmbH · 1999
- Pressure/flow rate control valve10US 6,296,013 B1SMC Corporation · 2001
- Cylinder apparatus4US 5,311,808 AAndo Seisakujo Co., Ltd. · 1994