G01F 1/74
Devices for measuring flow of a fluid or flow of a fluent
Official title: Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01F1/74 (Devices for measuring flow of a fluid or flow of a fluent) appears on 1,412 US grants and 1,328 published applications in this corpus.
Search patents in G01F- Granted patents
- 1,412
- Published applications
- 1,328
- Assignees
- 671
- Inventors
- 2,606
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 20 | 0 |
| 1999 | 19 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 5 |
| 2002 | 18 | 15 |
| 2003 | 27 | 17 |
| 2004 | 20 | 30 |
| 2005 | 12 | 34 |
| 2006 | 34 | 29 |
| 2007 | 28 | 54 |
| 2008 | 39 | 44 |
| 2009 | 32 | 48 |
| 2010 | 40 | 49 |
| 2011 | 34 | 51 |
| 2012 | 38 | 61 |
| 2013 | 42 | 42 |
| 2014 | 53 | 68 |
| 2015 | 41 | 60 |
| 2016 | 58 | 70 |
| 2017 | 52 | 63 |
| 2018 | 50 | 63 |
| 2019 | 66 | 73 |
| 2020 | 84 | 79 |
| 2021 | 51 | 70 |
| 2022 | 50 | 66 |
| 2023 | 84 | 81 |
| 2024 | 62 | 81 |
| 2025 | 65 | 53 |
| 2026 | 44 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Testing augmenation scheme by stipulating multi-phase flow meter (MFPM) engineering enhancement methodology “tassmeem”6 Oct 2026US 12,754,060 B2Saudi Arabian Oil Company
- Measurement of flow rate, density, viscosity, and rheology of multiphase fluids in a pipe6 Oct 2026US 12,754,115 B2Saudi Arabian Oil Company
- Metering systems and methods22 Sep 2026US 12,742,671 B2Sur-Flo Meters & Controls Ltd.
- Bubble detection8 Sep 2026US 12,729,990 B2Analog Devices International Unlimited Company
- System and method for tracking anesthetic agent in a vaporizer reservior1 Sep 2026US 12,721,963 B2GE Precision Healthcare LLC
- Digitally assisted microwave multiphase flow meter1 Oct 2026US 2026/0298693 A1King Abdullah University of Science and Technology
- Ultrasonic electromagnetic sensor for multiphase cut measurements and associated methods1 Oct 2026US 2026/0298858 A1PERM Inc.
- Multiphase flow meters and related methods24 Sep 2026US 2026/0287403 A1Schlumberger Technology Corporation
- Apparatus, method, and non-transitory computer readable medium17 Sep 2026US 2026/0276421 A1Yokogawa Electric Corporation
- Realtime water sample and salinity measurement in multiphase flow17 Sep 2026US 2026/0276430 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Capacitance probe for fluid flow and volume measurements397US 5,596,150 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1997
- Method and apparatus for measuring multiphase flows198US 5,591,922 ASchlumberger Technology Corporation · 1997
- Apparatus and method for controlling speed of suction motor in vacuum cleaner161US 5,323,483 AGoldstar Co., Ltd. · 1994
- Device for sensing fluid behavior161US 5,367,911 AHalliburton Logging Services, Inc. · 1994
- Flow regime determination and flow measurement in multiphase flow pipelines160US 5,708,211 AOhio University · 1998