G01F 1/007
Measuring the volume flow or mass flow of fluid or fluent solid
Official title: {by measuring the level variations of storage tanks relative to the time}
G01F1/007 (Measuring the volume flow or mass flow of fluid or fluent solid) appears on 202 US grants and 171 published applications in this corpus.
Search patents in G01F- Granted patents
- 202
- Published applications
- 171
- Assignees
- 163
- Inventors
- 510
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 4 |
| 2004 | 1 | 3 |
| 2005 | 5 | 8 |
| 2006 | 8 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 3 | 2 |
| 2011 | 5 | 7 |
| 2012 | 7 | 6 |
| 2013 | 2 | 5 |
| 2014 | 4 | 4 |
| 2015 | 9 | 8 |
| 2016 | 3 | 6 |
| 2017 | 10 | 15 |
| 2018 | 6 | 8 |
| 2019 | 11 | 10 |
| 2020 | 16 | 14 |
| 2021 | 8 | 14 |
| 2022 | 4 | 9 |
| 2023 | 5 | 3 |
| 2024 | 12 | 13 |
| 2025 | 6 | 8 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Free surface flow measurement assembly2 Jun 2026US 12,644,736 B2Flo Sciences, LLC
- Method of measuring physical properties12 May 2026US 12,624,979 B2National Central University
- Compartment profile monitoring and control system for an agricultural system5 May 2026US 12,616,080 B2CNH Industrial Canada, Ltd.
- Liquid level detectors17 Feb 2026US 12,553,762 B2Fresenius Medical Care Holdings, Inc.
- Systems and methods for automated wetstock management30 Dec 2025US 12,510,527 B2Wayne Fueling Systems LLC
- Device and method for measuring fluid flow and pressure under hyper-gravity environment21 May 2026US 2026/0139978 A1Zhejiang University
- Self calibrating flow rate and tank level measurement system30 Apr 2026US 2026/0116737 A1
- Free surface flow measurement assembly12 Mar 2026US 2026/0071903 A1Flo Sciences, LLC
- Flow detection for infusion pump29 Jan 2026US 2026/0027293 A1Takeda Pharmaceutical Company Limited
- Systems for Monitoring Fluidics in Reagent Cartridges and Related Methods6 Nov 2025US 2025/0339860 A1Illumina, Inc.
Most cited
By later US patents
- Liquid flow rate estimation and verification by direct liquid measurement507US 5,866,795 AAPPLIED Materials.Inc. · 1999
- Capacitance-type fluid level sensor for i.v. and catheter bags202US 5,135,485 A1992
- Electronic urine flow monitor198US 4,343,316 AC. R. Bard, Inc. · 1982
- Oil field lease management and security system and method therefor128US 4,551,719 ACypher Systems · 1985
- Methods for detection of leaks in pressurized pipeline systems95US 5,078,006 AVista Research, Inc. · 1992