G01N 29/11
By measuring attenuation of acoustic waves
Official title: by measuring attenuation of acoustic waves
G01N29/11 (By measuring attenuation of acoustic waves) appears on 1,253 US grants and 1,096 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,253
- Published applications
- 1,096
- Assignees
- 801
- Inventors
- 3,055
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 16 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 19 | 0 |
| 1985 | 12 | 0 |
| 1986 | 19 | 0 |
| 1987 | 19 | 0 |
| 1988 | 12 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 21 | 0 |
| 1995 | 19 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 9 | 0 |
| 1999 | 23 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 8 |
| 2002 | 32 | 22 |
| 2003 | 21 | 35 |
| 2004 | 31 | 31 |
| 2005 | 23 | 35 |
| 2006 | 30 | 43 |
| 2007 | 28 | 35 |
| 2008 | 27 | 18 |
| 2009 | 26 | 29 |
| 2010 | 17 | 24 |
| 2011 | 17 | 17 |
| 2012 | 23 | 24 |
| 2013 | 17 | 23 |
| 2014 | 26 | 38 |
| 2015 | 20 | 51 |
| 2016 | 28 | 44 |
| 2017 | 42 | 60 |
| 2018 | 36 | 53 |
| 2019 | 54 | 67 |
| 2020 | 62 | 67 |
| 2021 | 52 | 87 |
| 2022 | 63 | 81 |
| 2023 | 60 | 73 |
| 2024 | 72 | 64 |
| 2025 | 61 | 36 |
| 2026 | 28 | 31 |
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
- Sound pressure metrology instrument and determining sound pressure from index of refraction1 Sep 2026US 12,724,009 B2Government of the United States of America, AS Represented By the Secretary of Commerce
- Acoustic influence map based flaw size imaging25 Aug 2026US 12,716,871 B2Evident Canada, Inc.
- Apparatus for inspecting fuel vessel, and system and method for identifying crack density of vessel25 Aug 2026US 12,716,872 B2Hyundai Motor Company
- Non-contact ultrasound viscoelastic spectroscopy25 Aug 2026US 12,716,873 B2University of Southern California
- Battery testing apparatus and operating method thereof1 Oct 2026US 2026/0298875 A1LG Energy Solution, Ltd.
- Frequency domain monitoring of state of batteries via a piezoelectric element17 Sep 2026US 2026/0276722 A2California Institute of Technology
- Method and system for measuring lubrication film thickness of sliding nearing based on ultrasonic proportional coefficient3 Sep 2026US 2026/0259047 A1Xi' An Jiaotong University
- Method For Detecting Cracks In A Tubular Pipe27 Aug 2026US 2026/0251618 A1Electricite de France
- Determining acoustic characteristics of sample containers and fluid samples therein using reflected acoustic signals27 Aug 2026US 2026/0251622 A1Labcyte Inc.
Most cited
By later US patents
- Concurrent ultrasonic weld evaluation system357US 4,712,722 AEG&G, Inc. · 1987
- Measuring arrangement for tissue-optical examination of a subject with visible, NIR or IR light283US 5,293,873 ASiemens Aktiengesellschaft · 1994
- 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
- System for transmitting ultrasonic energy through core samples208US 4,380,930 AMobil Oil Corporation · 1983