G01N 2291/012
Phase angle
G01N2291/012 (Phase angle) appears on 219 US grants and 160 published applications in this corpus.
Search patents in G01N- Granted patents
- 219
- Published applications
- 160
- Assignees
- 155
- Inventors
- 487
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 8 |
| 2004 | 4 | 6 |
| 2005 | 7 | 7 |
| 2006 | 4 | 3 |
| 2007 | 4 | 4 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 4 | 4 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 8 |
| 2017 | 8 | 21 |
| 2018 | 5 | 22 |
| 2019 | 17 | 7 |
| 2020 | 10 | 12 |
| 2021 | 12 | 8 |
| 2022 | 10 | 13 |
| 2023 | 8 | 6 |
| 2024 | 14 | 7 |
| 2025 | 8 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining a property of a sample fluid or a resonant frequency of a resonator cell10 Mar 2026US 12,571,775 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Method and apparatus for providing real time air measurement applications in wet concrete3 Feb 2026US 12,539,644 B2Cidra Corporate Services Inc.
- Acoustic microscope system and method for measuring an object disposed in a medium30 Dec 2025US 12,510,513 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Fluidic device with fluid port orthogonal to functionalized active region16 Dec 2025US 12,498,352 B2Zomedica Biotechnologies LLC
- Cement bonding evaluation with a sonic-logging-while-drilling tool4 Nov 2025US 12,460,532 B2Halliburton Energy Services.Inc.
- Method and system for measuring lubrication film thickness of sliding nearing based on ultrasonic proportional coefficient3 Sep 2026US 2026/0259047 A1Xi' An Jiaotong University
- Acoustic inspection device and inspection method using an inverse wave field propagation model23 Jul 2026US 2026/0210911 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Cement bonding evaluation with a sonic-logging-while-drilling tool5 Feb 2026US 2026/0036040 A1Halliburton Energy Services.Inc.
- Structural health monitoring sensor and system15 Jan 2026US 2026/0016449 A1The University of Adelaide
- Analyte depletion for sensor equilibration5 Jun 2025US 2025/0177979 A1
Most cited
By later US patents
- Circuit for driving ultrasonic transducer409US 4,965,532 AOlympus Optical Co., Ltd. · 1990
- Method and apparatus for elasticity imaging using remotely induced shear wave263US 5,810,731 AArtann Laboratories, Inc. · 1998
- Method and device for shear wave elasticity imaging220US 5,606,971 AArtann Corporation, a NJ Corp. · 1997
- Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties218US 6,057,927 AAmerican Iron and Steel Institute · 2000
- Health monitoring196US 6,928,370 B2Oxford Biosignals Limited · 2005