G01F 1/76
Devices for measuring mass flow of a fluid or a fluent solid
Official title: Devices for measuring mass flow of a fluid or a fluent solid material
G01F1/76 (Devices for measuring mass flow of a fluid or a fluent solid) appears on 2,311 US grants and 1,937 published applications in this corpus.
Search patents in G01F- Granted patents
- 2,311
- Published applications
- 1,937
- Assignees
- 733
- Inventors
- 2,961
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 20 | 0 |
| 1982 | 5 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 32 | 0 |
| 1989 | 50 | 0 |
| 1990 | 31 | 0 |
| 1991 | 42 | 0 |
| 1992 | 21 | 0 |
| 1993 | 30 | 0 |
| 1994 | 46 | 0 |
| 1995 | 38 | 0 |
| 1996 | 26 | 0 |
| 1997 | 29 | 0 |
| 1998 | 39 | 0 |
| 1999 | 38 | 0 |
| 2000 | 20 | 0 |
| 2001 | 41 | 12 |
| 2002 | 46 | 32 |
| 2003 | 55 | 52 |
| 2004 | 51 | 51 |
| 2005 | 44 | 57 |
| 2006 | 56 | 70 |
| 2007 | 53 | 80 |
| 2008 | 55 | 95 |
| 2009 | 59 | 61 |
| 2010 | 70 | 75 |
| 2011 | 57 | 95 |
| 2012 | 64 | 65 |
| 2013 | 60 | 63 |
| 2014 | 90 | 74 |
| 2015 | 55 | 88 |
| 2016 | 72 | 73 |
| 2017 | 66 | 90 |
| 2018 | 69 | 83 |
| 2019 | 82 | 91 |
| 2020 | 119 | 115 |
| 2021 | 69 | 102 |
| 2022 | 80 | 111 |
| 2023 | 78 | 97 |
| 2024 | 96 | 74 |
| 2025 | 84 | 76 |
| 2026 | 64 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coriolis mass flowmeter with no risk of metal ion elution29 Sep 2026US 12,747,975 B2AlphiTechnology Co., LTD.
- Interface with improved accessibility29 Sep 2026US 12,747,976 B2Micro Motion, Inc.
- Coriolis mass flowmeter using built-in supporting structure22 Sep 2026US 12,742,670 B2Walsn Limited
- Measurement apparatus and method15 Sep 2026US 12,736,380 B2ROLLS-ROYCE plc
- Coriolis mass flow meter1 Sep 2026US 12,723,905 B2Endress + Hauser Flowtec AG
- Interface with improved accessibility8 Oct 2026US 2026/0309530 A1Micro Motion, Inc.
- Interface with improved accessibility8 Oct 2026US 2026/0309531 A1Micro Motion, Inc.
- Vibronic measuring system for a fluid medium conveyed in a pipe8 Oct 2026US 2026/0309605 A1Endress + Hauser Flowtec AG
- Air filtration assembly with airflow feedback1 Oct 2026US 2026/0295492 A1Apex Brands, Inc.
- Interface with improved accessibility1 Oct 2026US 2026/0298686 A1Micro Motion, Inc.
Most cited
By later US patents
- Method for wide range gas flow system with real time flow measurement and correction590US 6,119,710 ACyber Instrument Technologies LLC · 2000
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement241US 5,555,190 AMicro Motion, Inc. · 1996
- Micromachined fluidic apparatus219US 6,477,901 B1Integrated Sensing Systems, Inc. · 2002
- Instantaneous volume measurement system and method for non-invasively measuring liquid parameters217US 5,421,208 ABaxter International Inc. · 1995