G01F 7/005
Volume-flow measuring devices with two or more measuring ranges: by measuring pressure
Official title: {by measuring pressure or differential pressure, created by the use of flow constriction}
G01F7/005 (Volume-flow measuring devices with two or more measuring ranges: by measuring pressure) appears on 79 US grants and 60 published applications in this corpus.
Search patents in G01F- Granted patents
- 79
- Published applications
- 60
- Assignees
- 61
- Inventors
- 183
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 4 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 4 |
| 2014 | 1 | 0 |
| 2015 | 4 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 6 |
| 2019 | 3 | 5 |
| 2020 | 2 | 7 |
| 2021 | 8 | 6 |
| 2022 | 3 | 5 |
| 2023 | 4 | 0 |
| 2024 | 8 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated adjustable geared orifice flow meter4 Nov 2025US 12,460,956 B2Saudi Arabian Oil Company
- Flow through pressure sensor structured to remove dead volume31 Dec 2024US 12,181,328 B2Illinois Tool Works Inc.
- Arrangement and method for identifying and correcting a faulty volumetric flow measurement24 Sep 2024US 12,098,944 B2Endress + Hauser Flowtec AG
- Device and method for total cross-section measurement of mass flow rate of gas, liquid and solid in multiphase flow23 Jul 2024US 12,044,565 B2Sea Pioneers Technologies Co., Ltd.
- Device for measuring mass flow rate of multiphase flow based on ray coincidence measurement2 Jul 2024US 12,025,481 B2Sea Pioneers Technologies Co., Ltd.
- Flow sensor22 Jan 2026US 2026/0022956 A1Honeywell UK Limited
- Flow Through Pressure Sensor26 Jun 2025US 2025/0207963 A1Illinois Tool Works Inc.
- Method for determining a flow rate, flow sensor, and measuring system comprising a flow sensor21 Nov 2024US 2024/0385017 A1IMT Analytics AG
- Automated adjustable geared orifice flow meter1 Aug 2024US 2024/0255145 A1Saudi Arabian Oil Company
- Arrangement and method for identifying and correcting a faulty volumetric flow measurement20 Oct 2022US 2022/0333971 A1Endress + Hauser Flowtec AG
Most cited
By later US patents
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- System and method for gas flow verification474US 7,376,520 B2Lam Research Corporation · 2008
- Automatic aerosol medication delivery system and methods279US 5,394,866 AAradigm Corporation · 1995
- Method for releasing controlled amount of aerosol medication273US 5,608,647 AAradigm Corporation · 1997
- Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval219US 5,392,768 AAradigm Corporation · 1995