G01L 9/0091
Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic
Official title: {Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means (G01L9/0008 takes precedence)}
G01L9/0091 (Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic) appears on 89 US grants and 53 published applications in this corpus.
Search patents in G01L- Granted patents
- 89
- Published applications
- 53
- Assignees
- 67
- Inventors
- 179
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 4 |
| 2014 | 0 | 1 |
| 2015 | 4 | 5 |
| 2016 | 3 | 2 |
| 2017 | 6 | 4 |
| 2018 | 2 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 9 |
| 2023 | 4 | 3 |
| 2024 | 4 | 2 |
| 2025 | 4 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Analysis of release-resistant water in materials and related devices and methods21 Oct 2025US 12,449,412 B2
- Electronic device including barometric pressure sensor9 Sep 2025US 12,411,054 B2Samsung Electronics Co., Ltd.
- Semiconductor die with pressure and acceleration sensor elements15 Jul 2025US 12,359,994 B2Infineon Technologies Dresden GmbH
- Monitoring system for a radon mitigation system4 Mar 2025US 12,241,802 B2
- Using vapor pressure to determine concentrations of components in a multi-component fluid27 Aug 2024US 12,072,345 B2Micro Motion, Inc.
- Analysis of release-resistant water in materials and related devices and methods15 Jan 2026US 2026/0016459 A1
- Semiconductor die with pressure and acceleration sensor elements2 Oct 2025US 2025/0305900 A1Infineon Technologies Dresden GmbH
- Analysis of release-resistant water in materials and related devices and methods17 Oct 2024US 2024/0345059 A1
- Method and apparatus for determining physiological parameter26 Sep 2024US 2024/0315557 A1Icare Finland Oy
- Standalone demulsifier testing for crude oil15 Jun 2023US 2023/0184076 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Differential pressure transducer utilizing a variable ferrofluid keeper as an active magnetic circuit element68US 5,396,802 AViatran Corporation · 1995
- Pressure transducer66US 3,942,382 ASiemens Aktiengesellschaft · 1976
- Pressure and oxygen saturation catheter60US 4,730,622 ACordis Corporation · 1988
- Capacitive pressure sensor with moving or shape-changing dielectric52US 6,122,972 AVeris Industries, LLC · 2000
- Digital transducers46US 3,947,692 AViron E. Payne, Inc. · 1976