G01F 22/00
Methods or apparatus for measuring volume of fluids or fluent solid material
Official title: Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
G01F22/00 (Methods or apparatus for measuring volume of fluids or fluent solid material) appears on 923 US grants and 1,126 published applications in this corpus.
Search patents in G01F- Granted patents
- 923
- Published applications
- 1,126
- Assignees
- 590
- Inventors
- 2,132
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 0 |
| 2002 | 4 | 3 |
| 2003 | 7 | 7 |
| 2004 | 4 | 8 |
| 2005 | 4 | 13 |
| 2006 | 9 | 8 |
| 2007 | 12 | 13 |
| 2008 | 5 | 17 |
| 2009 | 7 | 26 |
| 2010 | 14 | 15 |
| 2011 | 9 | 13 |
| 2012 | 16 | 53 |
| 2013 | 40 | 21 |
| 2014 | 16 | 47 |
| 2015 | 27 | 58 |
| 2016 | 43 | 72 |
| 2017 | 47 | 81 |
| 2018 | 64 | 101 |
| 2019 | 85 | 83 |
| 2020 | 86 | 93 |
| 2021 | 79 | 70 |
| 2022 | 61 | 82 |
| 2023 | 70 | 72 |
| 2024 | 63 | 72 |
| 2025 | 59 | 53 |
| 2026 | 40 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Volumetric measurement of micro droplets6 Oct 2026US 12,752,294 B2DH Technologies Development Pte. Ltd.
- Method for determining a cuvette form correction value6 Oct 2026US 12,754,053 B2Hach Lange GmbH
- Inspection of cargo in open-topped vehicle6 Oct 2026US 12,754,344 B2Smiths Detection France S.A.S.
- Gas volume measurement apparatus1 Sep 2026US 12,725,839 B2Contemporary Amperex Technology (Hong Kong) Limited
- Pharmaceutical preparation methods and systems using imaging technologies25 Aug 2026US 12,718,346 B2Equashield Medical Ltd.
- Monitoring system and method for measuring a quantity of blood lost after vaginal delivery8 Oct 2026US 2026/0305952 A1Fondation Hopital Saint Joseph
- Measurement of volume in clean grain elevator1 Oct 2026US 2026/0293804 A1Deere & Company
- Method for estimating volume and pressure in a tank, and pressure losses connected with a dispensing station24 Sep 2026US 2026/0287407 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for estimating the volume of a pressurized gas tank24 Sep 2026US 2026/0287408 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Volumetric measurement device, system and method17 Sep 2026US 2026/0276423 A1DEKA Products Limited Partnership
Most cited
By later US patents
- System and method for gas flow verification474US 7,376,520 B2Lam Research Corporation · 2008
- Capacitance-based dose measurements in syringes416US 6,110,148 AHealth Hero Network, Inc. · 2000
- Capacitance-based dose measurements in syringes302US 6,352,523 B1Health Hero Network, Inc. · 2002
- Vision system to calculate a fluid volume in a container255US 7,499,581 B2ForHealth Technologies, Inc. · 2009
- Systems, devices and methods for cardiopulmonary treatment and procedures146US 8,105,265 B2DEKA Products Limited Partnership · 2012