G01F 3/24
Measuring the volume flow of fluids or fluent solid material wherein the
Official title: with measuring chambers moved during operation (wet gas-meters G01F3/30)
G01F3/24 (Measuring the volume flow of fluids or fluent solid material wherein the) appears on 36 US grants and 28 published applications in this corpus.
Search patents in G01F- Granted patents
- 36
- Published applications
- 28
- Assignees
- 26
- Inventors
- 69
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive unit for motor dosing pump16 Jun 2026US 12,655,843 B2ProMinent GmbH
- Gas measuring apparatus10 Mar 2026US 12,571,784 B2Nova Skantek Instruments (Beijing) Co, Ltd.
- Calibration system23 Dec 2025US 12,504,313 B2National Taiwan University
- Container assembly21 Jan 2025US 12,202,740 B2Brita LP
- Metering unit for granular material19 Mar 2024US 11,933,658 B2Amazonen-Werke H. Dreyer SE & Co. KG
- Device for Flow Sequencing and Metering4 Dec 2025US 2025/0369789 A1DeltaValve, LLC
- A gas flow measurement device3 Jul 2025US 2025/0216236 A1BPC Instruments AB
- Drive unit for motor dosing pump18 Jan 2024US 2024/0018959 A1ProMinent GmbH
- Calibration system11 Jan 2024US 2024/0011816 A1National Taiwan University
- Gas measuring apparatus21 Dec 2023US 2023/0408471 A1Nova Skantek Instruments (Beijing) Co, Ltd.
Most cited
By later US patents
- Mobile monolithic polymer elements for flow control in microfluidic devices59US 6,782,746 B1Sandia National Laboratories · 2004
- Fluid flow meter14US 4,920,794 ASelect Corporation · 1990
- Mobile monolithic polymer elements for flow control in microfluidic devices13US 6,952,962 B2Sandia National Laboratories · 2005
- First stage rainfall sampler8US 5,408,892 AHoriba, Ltd. · 1995
- Temperature indicating device for fluids7US 3,978,460 ATechnical Industries, Inc. · 1976