G01F 15/028
For low flow rates
Official title: {for low flow rates}
G01F15/028 (For low flow rates) appears on 33 US grants and 31 published applications in this corpus.
Search patents in G01F- Granted patents
- 33
- Published applications
- 31
- Assignees
- 26
- Inventors
- 69
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 5 |
| 2020 | 3 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for mass flow control29 Apr 2025US 12,287,655 B2MKS Instruments, Inc.
- Fluid meter arranged to detect a leak and to make an installation safe26 Nov 2024US 12,152,965 B2Sagemcom Energy & Telecom SAS
- Monitoring method for monitoring a set of meters10 Sep 2024US 12,085,419 B2Sagemcom Energy & Telecom SAS
- Method and apparatus for measuring wet gas utilizing an augmented Coriolis flow meter12 Dec 2023US 11,841,257 B2Expro Meters, Inc.
- Pressure compensation chamber1 Aug 2023US 11,714,433 B2Fas Medic S.A.
- Air flow rate measuring device and air flow rate measuring method18 Jun 2026US 2026/0168837 A1Hitachi Astemo, Ltd.
- Flow sensor and photoacoustic detector18 Sep 2025US 2025/0290781 A1UST Umweltsensortechnik GmbH
- Flow meter11 Sep 2025US 2025/0283745 A1Dab Pumps S.P.A.
- Method and Apparatus for Mass Flow Control20 Jun 2024US 2024/0201713 A1MKS Instruments, Inc.
- Method and Apparatus for Measuring Wet Gas Utilizing an Augmented Coriolis Flow Meter28 Apr 2022US 2022/0128390 A1Expro Meters, Inc.
Most cited
By later US patents
- Low-flow pump-off control35US 4,781,536 A1988
- Fluid flow rate measuring circuit28US 5,728,949 AMcMillan Company · 1998
- Mass flow sensor for very low fluid flows22US 5,161,410 AInterTech Development Company · 1992
- Fluid flow controller17US 8,365,753 B22013
- Fluid sensor including substantially linear flow resistor12US 5,537,860 AHewlett-Packard Company · 1996