G01N 29/48
By amplitude comparison
Official title: by amplitude comparison
G01N29/48 (By amplitude comparison) appears on 257 US grants and 244 published applications in this corpus.
Search patents in G01N- Granted patents
- 257
- Published applications
- 244
- Assignees
- 235
- Inventors
- 741
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 7 | 5 |
| 2003 | 4 | 6 |
| 2004 | 5 | 5 |
| 2005 | 4 | 7 |
| 2006 | 3 | 3 |
| 2007 | 5 | 5 |
| 2008 | 5 | 1 |
| 2009 | 5 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 7 |
| 2012 | 4 | 3 |
| 2013 | 3 | 3 |
| 2014 | 4 | 8 |
| 2015 | 5 | 4 |
| 2016 | 4 | 3 |
| 2017 | 3 | 14 |
| 2018 | 4 | 22 |
| 2019 | 21 | 22 |
| 2020 | 24 | 19 |
| 2021 | 18 | 18 |
| 2022 | 14 | 19 |
| 2023 | 14 | 27 |
| 2024 | 12 | 14 |
| 2025 | 12 | 14 |
| 2026 | 15 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quality evaluation method and quality evaluation device8 Sep 2026US 12,730,092 B2Nissan Motor Co., Ltd.
- Systems and methods for non-invasive determination of properties of pressure vessels7 Jul 2026US 12,674,714 B2Kenwave Solutions Inc.
- Nondestructive testing system and method using reflected shear horizontal guided waves16 Jun 2026US 12,656,317 B2Ecole De Technologie Superieure
- Acoustic measurement of surface roughness26 May 2026US 12,638,421 B2Halliburton Energy Services.Inc.
- Determining acoustic characteristics of sample containers and fluid samples therein using reflected acoustic signals19 May 2026US 12,631,598 B2Labcyte Inc.
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
- Method of applying signal amplification for driving an ultrasound transducer, corresponding circuit and system1 Oct 2026US 2026/0298884 A1STMicroelectronics International N. V.
- Determining acoustic characteristics of sample containers and fluid samples therein using reflected acoustic signals27 Aug 2026US 2026/0251622 A1Labcyte Inc.
- System and method for inspecting an acoustic liner of an aircraft engine30 Jul 2026US 2026/0218625 A1Pratt & Whitney Canada Corp.
- Systems for performing acoustic measurement of batteries30 Jul 2026US 2026/0219238 A1Liminal Insights, Inc.
Most cited
By later US patents
- Flow analysis system and method142US 5,741,980 AFoster-Miller, Inc. · 1998
- Machine fault detection using vibration signal peak detector133US 5,895,857 ACSI Technology, Inc. · 1999
- Scanning acoustic micro imaging method and apparatus for non-rectangular bounded files118US 6,981,417 B1Sonoscan, Inc. · 2006
- Ultrasonic testing device having an adjustable water column98US 9,121,817 B1Sandia Corporation · 2015
- Systems and methods for detection and measurement of elements in a medium90US 6,969,865 B2ACIST Medical Systems, Inc. · 2005