G01F 1/05
Measuring the volume flow or mass flow of fluid or fluent solid
Official title: by using mechanical effects
G01F1/05 (Measuring the volume flow or mass flow of fluid or fluent solid) appears on 4,916 US grants and 3,388 published applications in this corpus.
Search patents in G01F- Granted patents
- 4,916
- Published applications
- 3,388
- Assignees
- 2,230
- Inventors
- 8,396
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 79 | 0 |
| 1977 | 74 | 0 |
| 1978 | 76 | 0 |
| 1979 | 61 | 0 |
| 1980 | 75 | 0 |
| 1981 | 75 | 0 |
| 1982 | 65 | 0 |
| 1983 | 68 | 0 |
| 1984 | 102 | 0 |
| 1985 | 67 | 0 |
| 1986 | 61 | 0 |
| 1987 | 57 | 0 |
| 1988 | 59 | 0 |
| 1989 | 95 | 0 |
| 1990 | 92 | 0 |
| 1991 | 89 | 0 |
| 1992 | 70 | 0 |
| 1993 | 70 | 0 |
| 1994 | 85 | 0 |
| 1995 | 82 | 0 |
| 1996 | 89 | 0 |
| 1997 | 64 | 0 |
| 1998 | 96 | 0 |
| 1999 | 77 | 0 |
| 2000 | 81 | 0 |
| 2001 | 95 | 14 |
| 2002 | 80 | 58 |
| 2003 | 97 | 78 |
| 2004 | 73 | 91 |
| 2005 | 91 | 93 |
| 2006 | 69 | 86 |
| 2007 | 78 | 84 |
| 2008 | 70 | 104 |
| 2009 | 71 | 128 |
| 2010 | 83 | 101 |
| 2011 | 92 | 130 |
| 2012 | 75 | 101 |
| 2013 | 113 | 132 |
| 2014 | 98 | 136 |
| 2015 | 121 | 172 |
| 2016 | 160 | 189 |
| 2017 | 138 | 171 |
| 2018 | 170 | 225 |
| 2019 | 174 | 208 |
| 2020 | 214 | 210 |
| 2021 | 161 | 181 |
| 2022 | 162 | 182 |
| 2023 | 161 | 157 |
| 2024 | 163 | 138 |
| 2025 | 130 | 146 |
| 2026 | 68 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01F 1/34By measuring pressure or differential pressure2,498
- G01F 1/20By detection of dynamic effects of the flow1,740
- G01F 1/10Using rotating vanes with axial admission458
- G01F 1/06Using rotating vanes with tangential admission394
- G01F 1/52By measuring the height of the fluid level due to the lifting76
- G01F 1/056Orbital ball flowmeters31
- G01F 1/053Using rotating vanes with tangential and axial admission15
- G01F 1/54By means of chains, flexible bands or wires introduced into and moved11
Recent patents
- Apparatus for measuring and displaying the impulse of a liquid stream6 Oct 2026US 12,754,047 B2
- Flow switch with variable orifice6 Oct 2026US 12,754,048 B2Barksdale, Inc.
- Apparatus with optical feature changing visual state6 Oct 2026US 12,754,049 B2Medici Therapeuticals, Inc.
- Measurement of flow rate, density, viscosity, and rheology of multiphase fluids in a pipe6 Oct 2026US 12,754,115 B2Saudi Arabian Oil Company
- Flow rate detection for an aspirating smoke detection system29 Sep 2026US 12,747,971 B2Honeywell International Inc.
- Flow meter8 Oct 2026US 2026/0309526 A1Webtec Products Limited
- Heat exchanger with enhanced heat transfer manifold1 Oct 2026US 2026/0298561 A1Rtx Corporation
- Rotary optical encoder devices for optical flow sensing, and related sensors and methods1 Oct 2026US 2026/0298677 A1Precision Planting LLC
- System and method for carbon emission reduction1 Oct 2026US 2026/0298683 A1Ge Digital Holdings LLC
- Systems and methods for detecting deposit accumulation within a multiphase flow meter1 Oct 2026US 2026/0298684 A1Schlumberger Technology Corporation
Most cited
By later US patents
- System and method for telemetrically providing intrabody spatial position621US 6,239,724 B1Remon Medical Technologies, Ltd. · 2001
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- Method for wide range gas flow system with real time flow measurement and correction590US 6,119,710 ACyber Instrument Technologies LLC · 2000
- Flow measurement system584US 4,827,430 ABaxter International Inc. · 1989
- Valve system with removable fluid interface540US 5,088,515 A1992