G01K 11/24
Of the velocity of propagation of sound
Official title: of the velocity of propagation of sound
G01K11/24 (Of the velocity of propagation of sound) appears on 164 US grants and 153 published applications in this corpus.
Search patents in G01K- Granted patents
- 164
- Published applications
- 153
- Assignees
- 137
- Inventors
- 407
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 5 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 5 |
| 2007 | 1 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 4 |
| 2010 | 6 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 2 | 5 |
| 2014 | 3 | 5 |
| 2015 | 4 | 11 |
| 2016 | 4 | 9 |
| 2017 | 9 | 8 |
| 2018 | 7 | 8 |
| 2019 | 10 | 5 |
| 2020 | 7 | 13 |
| 2021 | 10 | 13 |
| 2022 | 7 | 17 |
| 2023 | 8 | 7 |
| 2024 | 9 | 5 |
| 2025 | 5 | 7 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for a high speed hybrid sonic and mechanical temperature and wind measurement sensor18 Aug 2026US 12,710,442 B2Michigan Aerospace Corporation
- Method, use, and device for ultrasonic double-wave measurement of pre-tightening force and temperature of solid material28 Apr 2026US 12,613,115 B2Lvyin Technology (Wuhan) Co., Ltd.
- Ambient temperature and relative humidity sensing using ultrasound signals17 Mar 2026US 12,578,238 B1Amazon Technologies, Inc.
- System and method for high speed sonic temperature and airspeed measurements for inputs to an air data system17 Feb 2026US 12,554,042 B2Michigan Aerospace Corporation
- Method of measuring the temperature of water in a meter28 Oct 2025US 12,455,199 B2Sagemcom Energy & Telecom SAS
- Method and measuring apparatus for ascertaining a fluid temperature20 Aug 2026US 2026/0243611 A1Diehl Metering GmbH
- XGBoost-Based Error Compensation Method for Acoustic Source Localization of Lithium-Ion Battery Thermal Runaway18 Jun 2026US 2026/0171529 A1Nanjing Tech University
- Contactless photoacoustic temperature sensors for device manufacturing chambers11 Jun 2026US 2026/0160613 A1APPLIED Materials.Inc.
- Acoustic-based characterization of containment structures and fluid contents14 May 2026US 2026/0133029 A1
- Method and apparatus for treatment of pulmonary conditions7 May 2026US 2026/0123952 A1AerWave Medical, Inc.
Most cited
By later US patents
- Acoustic thermometer307US 5,624,188 A1997
- Acoustic pyrometer304US 4,848,924 AThe Babcock & Wilcox Company · 1989
- System for temperature profile measurement in large furnances and kilns and method therefor296US 4,762,425 A1988
- Method and apparatus for measuring acoustic wave velocity using impulse response290US 5,349,859 AScientific Engineering Instruments, Inc. · 1994
- System for measuring the transfer time of a sound-wave in a gas and thereby calculating the temperature of the gas285US 5,437,506 AENEL (Ente Nazionale per l'Energia Elettrica) & CISE S.p.A. · 1995