G01F 15/026
Using means to maintain zero differential pressure across the motor
Official title: {using means to maintain zero differential pressure across the motor (G01F1/08 and G01F1/12 take precedence)}
G01F15/026 (Using means to maintain zero differential pressure across the motor) appears on 11 US grants and 9 published applications in this corpus.
Search patents in G01F- Granted patents
- 11
- Published applications
- 9
- Assignees
- 8
- Inventors
- 16
- Latest grant
- 27 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 5 |
| 2020 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coolable device for measuring through-flow processes of fluids27 Oct 2020US 10,816,379 B2AVL List GmbH
- Bidirectionally flow-impinged device for measuring flow processes of fluids28 Apr 2020US 10,634,138 B2AVL List GmbH
- Flushable device for measuring flow processes of fluids10 Mar 2020US 10,584,704 B2AVL List GmbH
- Dynamic-adaptive vapor reduction system and method15 May 2018US 9,970,596 B2Measurement Technology Group, Inc.
- Flowmeter having pressure difference sensor in parallel with displacement meter29 Aug 2017US 9,746,364 B2AVL List GmbH
- Flushable device for measuring flow processes of fluids16 May 2019US 2019/0145408 A1AVL List GmbH
- Bidirectionally flow-impinged device for measuring flow processes of fluids16 May 2019US 2019/0145409 A1AVL List GmbH
- Coolable device for measuring through-flow processes of fluids16 May 2019US 2019/0145809 A1AVL List GmbH
- Device comprising a canned motor for measuring flow processes of measuring fluids16 May 2019US 2019/0145810 A1AVL List GmbH
- Drive and control device for a throughflow measurement device7 Feb 2019US 2019/0041249 A1AVL List GmbH
Most cited
By later US patents
- Controlled flow volumetric flowmeter18US 5,284,053 AThe BOC Group, Inc. · 1994
- Apparatus for metering fluid flow10US 4,193,299 APierburg Luftfahrtgerate Union GmbH · 1980
- Fuel flow rate measuring device3US 4,184,505 ANTN Toyo Bearing Co., Ltd. · 1980
- Servo type volumetric flowmeter employing a pump unit system3US 7,905,142 B2Oval Corporation · 2011
- Flowmeter having pressure difference sensor in parallel with displacement meter2US 9,746,364 B2AVL List GmbH · 2017