F04B 53/1052
Two flexible elements oscillating around a fixed point
Official title: {two flexible elements oscillating around a fixed point}
F04B53/1052 (Two flexible elements oscillating around a fixed point) appears on 6 US grants and 4 published applications in this corpus.
Search patents in F04B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 27 Feb 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve unit and peristaltic pump including the same27 Feb 2018US 9,903,359 B2National Taiwan Ocean University
- Micro pump29 Sep 2015US 9,145,882 B2Samsung Electro-Mechanics Co., Ltd.
- Check valve and piston pump having check valve21 May 2013US 8,444,401 B2
- Micropump2 Jun 1998US 5,759,014 AWestonbridge International Limited
- Pump apparatus for fluid sampling and collection, and the like15 Sep 1992US 5,147,185 AQ.E.D. Environmental Systems, Inc.
- Valve unit and peristaltic pump including the same10 Mar 2016US 2016/0069461 A1National Taiwan Ocean University
- Micro pump26 Jun 2014US 2014/0178223 A1Samsung Electro-Mechanics Co., Ltd.
- Check valve and piston pump having check valve30 Dec 2010US 2010/0329911 A1
- Pump with reversible port function30 Jan 2003US 2003/0021704 A1
Most cited
By later US patents
- Micropump316US 5,759,014 AWestonbridge International Limited · 1998
- Pump apparatus for fluid sampling and collection, and the like30US 5,147,185 AQ.E.D. Environmental Systems, Inc. · 1992
- Piston type metering pump16US 5,088,902 AAskoll S.p.A. · 1992
- Check valve and piston pump having check valve5US 8,444,401 B22013
- Micro pump1US 9,145,882 B2Samsung Electro-Mechanics Co., Ltd. · 2015