G01N 29/14
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic
Official title: using acoustic emission techniques {(echo of particles G01N29/046; measuring mechanical vibrations or acoustic waves in solids in general G01H1/00)}
G01N29/14 (Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic) appears on 1,108 US grants and 1,152 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,108
- Published applications
- 1,152
- Assignees
- 742
- Inventors
- 2,880
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 4 |
| 2002 | 16 | 4 |
| 2003 | 10 | 14 |
| 2004 | 15 | 27 |
| 2005 | 17 | 23 |
| 2006 | 13 | 15 |
| 2007 | 12 | 14 |
| 2008 | 8 | 14 |
| 2009 | 6 | 23 |
| 2010 | 12 | 21 |
| 2011 | 12 | 30 |
| 2012 | 24 | 32 |
| 2013 | 16 | 30 |
| 2014 | 24 | 54 |
| 2015 | 27 | 42 |
| 2016 | 39 | 67 |
| 2017 | 34 | 77 |
| 2018 | 55 | 73 |
| 2019 | 91 | 98 |
| 2020 | 86 | 85 |
| 2021 | 60 | 77 |
| 2022 | 79 | 102 |
| 2023 | 78 | 84 |
| 2024 | 63 | 54 |
| 2025 | 56 | 63 |
| 2026 | 31 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for detecting impact to composite structures6 Oct 2026US 12,754,088 B2Hexagon Technology AS
- High resolution imaging of pressurized water supply lines using high frequency acoustic waves8 Sep 2026US 12,730,030 B2The Hong Kong University of Science and Technology
- Method and system for ultrasound time-of-flight measurement8 Sep 2026US 12,730,218 B2Texas Instruments Incorporated
- Analog front-end circuitry for ultrasound signal processing25 Aug 2026US 12,716,874 B2Dwellwell Analytics, Inc.
- Feedback system and method for speaker loudness correction11 Aug 2026US 12,706,088 B2Emory University
- Surface acoustic wave facilitated fluidic assay systems and methods17 Sep 2026US 2026/0276630 A1
- Devices, systems and methods of informational signal synchronization using a reference signal6 Aug 2026US 2026/0227366 A1Kenwave Solutions Inc.
- System and method for inspecting an acoustic liner of an aircraft engine30 Jul 2026US 2026/0218625 A1Pratt & Whitney Canada Corp.
- Flow path sensing for flow therapy apparatus23 Jul 2026US 2026/0207868 A1Fisher & Paykel Healthcare Limited
- Apparatus and method for measuring workability of concrete23 Jul 2026US 2026/0210937 A1
Most cited
By later US patents
- Configurable vibration sensor870US 7,093,492 B2Mechworks Systems Inc. · 2006
- Machine fault diagnostics system and method466US 5,566,092 ACaterpillar Inc. · 1996
- Method and apparatus for material analysis267US 5,348,002 ASirraya, Inc. · 1994
- Multibit-per-cell non-volatile memory with error detection and correction219US 5,909,449 AInvox Technology · 1999
- Electronic instrument for locating and diagnosing engine sounds188US 5,445,026 A1995