G01H 9/004
Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive
Official title: {using fibre optic sensors (light guides per se G02B6/00, acousto-optical devices specially adapted for gating or modulating in optical wave guides G02F1/125)}
G01H9/004 (Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive) appears on 1,316 US grants and 1,413 published applications in this corpus.
Search patents in G01H- Granted patents
- 1,316
- Published applications
- 1,413
- Assignees
- 520
- Inventors
- 2,306
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 16 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 15 | 0 |
| 1991 | 14 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 5 |
| 2002 | 10 | 7 |
| 2003 | 15 | 10 |
| 2004 | 9 | 10 |
| 2005 | 6 | 17 |
| 2006 | 9 | 21 |
| 2007 | 18 | 22 |
| 2008 | 23 | 19 |
| 2009 | 17 | 21 |
| 2010 | 16 | 22 |
| 2011 | 17 | 27 |
| 2012 | 18 | 38 |
| 2013 | 20 | 33 |
| 2014 | 17 | 51 |
| 2015 | 36 | 54 |
| 2016 | 42 | 60 |
| 2017 | 58 | 73 |
| 2018 | 47 | 71 |
| 2019 | 93 | 82 |
| 2020 | 70 | 99 |
| 2021 | 84 | 103 |
| 2022 | 72 | 136 |
| 2023 | 92 | 121 |
| 2024 | 116 | 118 |
| 2025 | 84 | 108 |
| 2026 | 81 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- MRI system, in particular a method and system for generating a cardiac trigger signal6 Oct 2026US 12,751,675 B2Koninklijke Philips N. V.
- Demodulation system for optical fiber Fabry-Perot sensor6 Oct 2026US 12,754,045 B2Beijing Bywave Sensing Technology Co., Ltd.
- Multispan optical fiber system and techniques for improved distributed acoustic sensing6 Oct 2026US 12,754,065 B2Subcom, LLC
- Calibration system, calibration method, and computer-readable medium22 Sep 2026US 12,742,676 B2NEC Corporation
- Long range distributed fiber sensing with improved noise performance8 Sep 2026US 12,729,986 B2Nokia Solutions and Networks Oy
- Systems and methods for deploying and retrieving magnetically coupled temporary wireline fiber for broadside wave detection8 Oct 2026US 2026/0309022 A1
- Apparatus and method for distributed acoustic sensing8 Oct 2026US 2026/0309521 A1Alcatel Submarine Networks
- Methods of processing optical data generated by a distributed fiber optic sensing system that extends proximate hydrocarbon industrial infrastructure, and hydrocarbon industrial infrastructure that performs the methods1 Oct 2026US 2026/0298673 A1ExxonMobil Technology and Engineering Company
- Optical fiber sensing system, optical fiber sensing device, and breakage detection method1 Oct 2026US 2026/0298674 A1NEC Corporation
- Multi-span sensing using wavelength / frequency multiplexing, synchronized receiver, and coherent signal processing1 Oct 2026US 2026/0298699 A1Subcom, LLC
Most cited
By later US patents
- Reduced noise fiber optic towed array and method of using same240US 5,345,522 AHughes Aircraft Company · 1994
- Apparatus and method for fiber optic intrusion sensing227US 5,194,847 AThe Texas A&M University System · 1993
- Systems and methods for minimally-invasive optical-acoustic imaging180US 7,245,789 B2Vascular Imaging Corporation · 2007
- Optical-acoustic imaging device133US 6,659,957 B12003
- Systems and methods for minimally-invasive optical-acoustic imaging132US 7,447,388 B2Vascular Imaging Corporation · 2008