G01K 11/22
Measuring temperature based upon physical or chemical changes not covered by groups
Official title: using measurement of acoustic effects
G01K11/22 (Measuring temperature based upon physical or chemical changes not covered by groups) appears on 401 US grants and 383 published applications in this corpus.
Search patents in G01K- Granted patents
- 401
- Published applications
- 383
- Assignees
- 298
- Inventors
- 993
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 9 |
| 2003 | 4 | 2 |
| 2004 | 5 | 4 |
| 2005 | 4 | 9 |
| 2006 | 3 | 12 |
| 2007 | 3 | 3 |
| 2008 | 9 | 7 |
| 2009 | 4 | 6 |
| 2010 | 8 | 7 |
| 2011 | 1 | 6 |
| 2012 | 10 | 10 |
| 2013 | 6 | 14 |
| 2014 | 6 | 16 |
| 2015 | 10 | 33 |
| 2016 | 16 | 25 |
| 2017 | 24 | 26 |
| 2018 | 27 | 28 |
| 2019 | 30 | 21 |
| 2020 | 24 | 22 |
| 2021 | 22 | 21 |
| 2022 | 13 | 38 |
| 2023 | 20 | 24 |
| 2024 | 26 | 16 |
| 2025 | 15 | 10 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Continuous rail and airborne rail transit alert system for pedestrians, vehicles and animals28 Jul 2026US 12,691,820 B1The Fred M. Kemp Foundation
- Holder for component of temperature sensing system21 Jul 2026US 12,687,436 B2Airbus Operations GmbH
- Temperature-reporting oscillator2 Jun 2026US 12,647,073 B1SiTime Corporation
- Temperature sensing device for aircraft wheel brake12 May 2026US 12,625,015 B2Airbus Operations GmbH
- Apparatus for implementing axial focal region temperature measurement distribution detection24 Sep 2026US 2026/0284447 A1Nanjing Khons Medtech Co., Ltd.
- 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
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