G01F 3/00
Measuring the volume flow of fluids or fluent solid material wherein the
Official title: Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow (measuring a proportion of the volume flow G01F5/00)
G01F3/00 (Measuring the volume flow of fluids or fluent solid material wherein the) appears on 742 US grants and 505 published applications in this corpus.
Search patents in G01F- Granted patents
- 742
- Published applications
- 505
- Assignees
- 448
- Inventors
- 1,263
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 14 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 18 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 14 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 22 | 0 |
| 1994 | 17 | 0 |
| 1995 | 16 | 0 |
| 1996 | 24 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 3 | 4 |
| 2002 | 8 | 6 |
| 2003 | 13 | 12 |
| 2004 | 10 | 10 |
| 2005 | 11 | 9 |
| 2006 | 7 | 13 |
| 2007 | 9 | 12 |
| 2008 | 12 | 12 |
| 2009 | 5 | 14 |
| 2010 | 7 | 22 |
| 2011 | 11 | 16 |
| 2012 | 17 | 17 |
| 2013 | 15 | 33 |
| 2014 | 17 | 20 |
| 2015 | 15 | 30 |
| 2016 | 21 | 21 |
| 2017 | 29 | 24 |
| 2018 | 17 | 34 |
| 2019 | 26 | 39 |
| 2020 | 35 | 44 |
| 2021 | 23 | 36 |
| 2022 | 28 | 19 |
| 2023 | 29 | 23 |
| 2024 | 17 | 14 |
| 2025 | 13 | 14 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas sampling mechanism and gas analysis device having the same6 Oct 2026US 12,754,176 B2Triple Win Technology(Shenzhen) Co. Ltd.
- System and method for monitoring liquid adhesive flow29 Sep 2026US 12,747,968 B2Nordson Corporation
- Gas meter15 Sep 2026US 12,736,373 B2Panasonic Intellectual Property Management Co., Ltd.
- Systems and methods for improved asset monitoring via orientation measurement21 Jul 2026US 12,689,847 B2Silicon Controls Pty Ltd.
- Drive unit for motor dosing pump16 Jun 2026US 12,655,843 B2ProMinent GmbH
- Systems and Methods for Improved Asset Monitoring via Orientation Measurement8 Oct 2026US 2026/0313274 A1Silicon Controls Pty Ltd.
- Rotor crankshaft driven positive displacement meter30 Jul 2026US 2026/0219081 A1Smith Meter Inc.
- Proportional volumetric dosing device30 Jul 2026US 2026/0219086 A1Mixtron S.R.L.
- Hot melt adhesive foam dispensing system implementing a heat exchanger and process implementing a hot melt adhesive foam dispensing system25 Jun 2026US 2026/0175239 A1Nordson Corporation
- Fluid parameter measurement device with annular gap5 Mar 2026US 2026/0063460 A1Suzhou University of Technology
Most cited
By later US patents
- Positive displacement piston flow meter with damping assembly818US 5,562,002 ASensidyne, Inc. · 1996
- Inductance-based dose measurement in syringes551US 6,068,615 AHealth Hero Network, Inc. · 2000
- Optical dose measurements in syringes480US 6,113,578 AHealth Hero Network, Inc. · 2000
- Apparatus for optically determining and electronically recording injection doses in syringes436US 5,792,117 ARaya Systems, Inc. · 1998
- Apparatus for electrically determining injection doses in syringes432US 5,569,212 ARaya Systems, Inc. · 1996