G01N 29/075
By measuring or comparing phase angle
Official title: {by measuring or comparing phase angle (measuring frequencies or phase angles per se G01R23/00, G01R25/00)}
G01N29/075 (By measuring or comparing phase angle) appears on 110 US grants and 96 published applications in this corpus.
Search patents in G01N- Granted patents
- 110
- Published applications
- 96
- Assignees
- 107
- Inventors
- 290
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 4 | 5 |
| 2004 | 2 | 7 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 4 |
| 2008 | 2 | 1 |
| 2009 | 2 | 7 |
| 2010 | 3 | 4 |
| 2011 | 1 | 6 |
| 2012 | 5 | 3 |
| 2013 | 3 | 1 |
| 2014 | 5 | 3 |
| 2015 | 2 | 1 |
| 2016 | 3 | 3 |
| 2017 | 0 | 6 |
| 2018 | 0 | 5 |
| 2019 | 3 | 5 |
| 2020 | 4 | 11 |
| 2021 | 8 | 8 |
| 2022 | 7 | 0 |
| 2023 | 4 | 8 |
| 2024 | 2 | 2 |
| 2025 | 5 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for ultrasound time-of-flight measurement8 Sep 2026US 12,730,218 B2Texas Instruments Incorporated
- Efficient beam profile imaging for non-negligible wave properties and rotationally anisotropic geometries25 Aug 2026US 12,716,870 B2Halliburton Energy Services.Inc.
- Phased array ultrasonic testing device20 Jan 2026US 12,531,044 B2The Boeing Company
- 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
- Detection of blockage in a porous member15 Jul 2025US 12,360,080 B2MSA Technology, LLC
- Method and system for measuring lubrication film thickness of sliding nearing based on ultrasonic proportional coefficient3 Sep 2026US 2026/0259047 A1Xi' An Jiaotong University
- Apparatus for Imaging Pipelines using Real-time Adaptive Ultrasonic Imaging16 Jul 2026US 2026/0202527 A1
- Phase-based approach for ultrasonic inspection8 May 2025US 2025/0146979 A1Evident Canada, Inc.
- Color representation of complex-valued ndt data5 Dec 2024US 2024/0402132 A1Evident Canada, Inc.
- Phased Array Ultrasonic Testing Device29 Feb 2024US 2024/0071349 A1The Boeing Company
Most cited
By later US patents
- Ultrasonic non-destructive evaluation of thin specimens213US 5,305,239 AThe Texas A&M University System · 1994
- Three-dimensional temperature probe146US 4,513,749 AThe Board of Trustees of the Leland Stanford University · 1985
- Laser-ultrasonic non-destructive, non-contacting inspection system67US 5,585,921 AHughes Aircraft Company · 1996
- Parts sorting systems58US 4,576,286 ACochlea Corporation · 1986
- System to measure geometric and electromagnetic characteristics of objects50US 4,557,386 ACochlea Corporation · 1985