G01N 29/348
With frequency characteristics
Official title: {with frequency characteristics, e.g. single frequency signals, chirp signals (measuring frequency of mechanical vibrations or acoustic waves in general G01H1/06, G01H3/04; measuring frequency or analysing frequency spectra G01R23/00)}
G01N29/348 (With frequency characteristics) appears on 884 US grants and 751 published applications in this corpus.
Search patents in G01N- Granted patents
- 884
- Published applications
- 751
- Assignees
- 582
- Inventors
- 2,014
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 13 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 19 | 0 |
| 1999 | 21 | 0 |
| 2000 | 29 | 0 |
| 2001 | 27 | 12 |
| 2002 | 39 | 26 |
| 2003 | 34 | 25 |
| 2004 | 24 | 25 |
| 2005 | 17 | 31 |
| 2006 | 26 | 28 |
| 2007 | 21 | 18 |
| 2008 | 13 | 10 |
| 2009 | 10 | 24 |
| 2010 | 19 | 24 |
| 2011 | 14 | 13 |
| 2012 | 14 | 19 |
| 2013 | 12 | 16 |
| 2014 | 13 | 22 |
| 2015 | 13 | 20 |
| 2016 | 11 | 10 |
| 2017 | 21 | 27 |
| 2018 | 12 | 43 |
| 2019 | 35 | 44 |
| 2020 | 46 | 53 |
| 2021 | 31 | 59 |
| 2022 | 38 | 52 |
| 2023 | 42 | 57 |
| 2024 | 56 | 42 |
| 2025 | 48 | 26 |
| 2026 | 24 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices and methods for quartz enhanced photoacoustic spectroscopy6 Oct 2026US 12,756,156 B2Pendar Technologies, LLC
- Method for determining whether defects are present in the material of a ceramic component18 Aug 2026US 12,710,401 B2Aktiebolaget Skf
- Measuring apparatus for measuring height of foreign substance in pipe28 Jul 2026US 12,693,114 B2Center for Advanced Meta-Materials
- Gas measurement device, gas measurement system, and gas measurement method16 Jun 2026US 12,656,228 B2National University Corporation Toyohashi University of Technology
- Acoustic signature management engine in an object integrity sensing system9 Jun 2026US 12,650,409 B2Microsoft Technology Licensing, LLC
- Method of applying signal amplification for driving an ultrasound transducer, corresponding circuit and system1 Oct 2026US 2026/0298884 A1STMicroelectronics International N. V.
- Systems and methods for determining the ultrasonic testing (ut) testability of defects in a weld17 Sep 2026US 2026/0276595 A1Baker Hughes Holdings LLC
- Frequency domain monitoring of state of batteries via a piezoelectric element17 Sep 2026US 2026/0276722 A2California Institute of Technology
- Acoustic Inspection Method and Apparatus Therefor10 Sep 2026US 2026/0266769 A1ICR Integrity Ltd
- Method For Detecting Cracks In A Tubular Pipe27 Aug 2026US 2026/0251618 A1Electricite de France
Most cited
By later US patents
- Combinatorial synthesis and analysis of organometallic compounds and catalysts245US 6,030,917 ASymyx Technologies, Inc. · 2000
- Mass spectrometers and methods for rapid screening of libraries of different materials218US 5,959,297 ASymyx Technologies, Inc. · 1999
- Ultrasonic non-destructive evaluation of thin specimens213US 5,305,239 AThe Texas A&M University System · 1994
- Laser ultrasonics-based material analysis system and method using matched filter processing140US 5,604,592 ATextron Defense Systems, Division of Avco Corporation · 1997
- Transmit beamformer with frequency dependent focus128US 5,608,690 AAcuson Corporation · 1997