F04B 2203/0902
Liquid pressure in a working chamber
F04B2203/0902 (Liquid pressure in a working chamber) appears on 13 US grants and 2 published applications in this corpus.
Search patents in F04B- Granted patents
- 13
- Published applications
- 2
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 10 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 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 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Pumping and metering device67US 6,672,841 B1Fresenius Medical Care Deutschland GmbH · 2004
- Concrete pump monitoring system41US 5,332,366 ASchwing America, Inc. · 1994
- Sludge pump with monitoring system38US 5,388,965 AFriedrich Wilhelm Schwing GmbH · 1995
- Sludge flow measuring system14US 5,106,272 ASchwing America, Inc. · 1992
- Pipeline air pocket detection system13US 6,375,432 B1Schwing America, Inc. · 2002