G01F 1/90
With positive-displacement meter or turbine meter to determine the volume flow
Official title: with positive-displacement meter or turbine meter to determine the volume flow
G01F1/90 (With positive-displacement meter or turbine meter to determine the volume flow) appears on 39 US grants and 20 published applications in this corpus.
Search patents in G01F- Granted patents
- 39
- Published applications
- 20
- Assignees
- 33
- Inventors
- 66
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 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 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measuring device for metering fluids, and method for metering by means of a measuring device of this type14 Apr 2026US 12,601,620 B2AVL List GmbH
- Method and device to measure multiphase flow30 Jul 2024US 12,050,118 B2The Texas A&M University System
- Volume fraction meter for multiphase fluid flow14 Nov 2023US 11,815,524 B2Saudi Arabian Oil Company
- Fan26 Sep 2023US 11,768,090 B2Ziehl-Abegg SE
- Radial fan having an impeller for volume flow measurement23 Feb 2021US 10,927,846 B2ebm-papst Mulfingen GmbH & Co. KG
- Assemblies and Methods Associated with a Flow Meter Insert11 Jun 2026US 2026/0160584 A1Sun Hydraulics, LLC
- System and method for fluid flow meter testing24 Jul 2025US 2025/0237539 A1AIM Oilfield Services, LLC
- An apparatus and method for correcting for errors in a coriolis meter utilizing two sub-bubble-resonance sound speed of sound measurements3 Apr 2025US 2025/0110082 A1Corvera, LLC
- Method and device to measure multiphase flow9 Jan 2025US 2025/0012609 A1The Texas A&M University System
- Measuring device for metering fluids, and method for metering by means of a measuring device of this type4 Jan 2024US 2024/0003727 A1AVL List GmbH
Most cited
By later US patents
- Method and apparatus for determining the mass flow of a fluid117US 4,419,898 ASarasota Automation Limited · 1983
- Process for filling compressed gas fuel dispensers which utilizes volume and density calculations39US 6,708,573 B1Air Products and Chemicals, Inc. · 2004
- Measurement of fluid density36US 4,262,523 AThe Solartron Electronic Group Limited · 1981
- Method and apparatus for measuring mass flow and energy content using a linear flow meter29US 5,201,581 ABadger Meter, Inc. · 1993
- Vapor density measurement system27US 5,501,099 AITT Corporation · 1996