G01K 11/32
Measuring temperature based upon physical or chemical changes not covered by groups
Official title: using changes in transmittance, scattering or luminescence in optical fibres
G01K11/32 (Measuring temperature based upon physical or chemical changes not covered by groups) appears on 1,282 US grants and 1,397 published applications in this corpus.
Search patents in G01K- Granted patents
- 1,282
- Published applications
- 1,397
- Assignees
- 698
- Inventors
- 2,992
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 16 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 4 |
| 2002 | 9 | 10 |
| 2003 | 20 | 24 |
| 2004 | 19 | 26 |
| 2005 | 13 | 26 |
| 2006 | 24 | 37 |
| 2007 | 21 | 28 |
| 2008 | 21 | 37 |
| 2009 | 34 | 44 |
| 2010 | 26 | 40 |
| 2011 | 25 | 38 |
| 2012 | 39 | 46 |
| 2013 | 26 | 47 |
| 2014 | 41 | 56 |
| 2015 | 40 | 69 |
| 2016 | 45 | 63 |
| 2017 | 65 | 74 |
| 2018 | 56 | 89 |
| 2019 | 87 | 84 |
| 2020 | 87 | 66 |
| 2021 | 62 | 113 |
| 2022 | 75 | 81 |
| 2023 | 70 | 89 |
| 2024 | 66 | 85 |
| 2025 | 65 | 60 |
| 2026 | 49 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Demodulation system for optical fiber Fabry-Perot sensor6 Oct 2026US 12,754,045 B2Beijing Bywave Sensing Technology Co., Ltd.
- Optically operating temperature sensor, use of said temperature sensor and battery cell assembly comprising at least one temperature sensor22 Sep 2026US 12,742,686 B2Kistler Holding AG
- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments22 Sep 2026US 12,742,691 B2UT-Battelle, LLC
- Apparatus and methods for high-speed and long depth range imaging using optical coherence tomography15 Sep 2026US 12,736,751 B2The General Hospital Corporation
- Wafer temperature sensor including optical fiber, wafer temperature sensor system, and method of manufacturing wafer temperature sensor8 Sep 2026US 12,730,014 B2Samsung Electronics Co., Ltd.
- Fiber-optical sensor system for data to facilitate, plan, localize, monitor, or confirm ablation procedures8 Oct 2026US 2026/0306158 A1
- Device, method and system for quantifying a change in environmental conditions along the length of an optical fiber1 Oct 2026US 2026/0298675 A1Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Klimaschutz
- Flexible temperature probe1 Oct 2026US 2026/0298729 A1Photon Control Inc.
- Method and system for monitoring icicles based on adhesive optical fibers1 Oct 2026US 2026/0298739 A1Shandong University
- Temperature measurement system with hermeticaly sealed thermographic phosphor10 Sep 2026US 2026/0266667 A1Accelovant Technologies Corporation
Most cited
By later US patents
- Three-parameter optical fiber sensor and system497US 4,986,671 ALuxtron Corporation · 1991
- Apparatus for determining a temperature of a substrate and methods therefor474US 7,497,614 B2Lam Research Corporation · 2009
- Sensor system using fluorometric decay measurements193US 4,895,156 A1990
- Fiber optic sensing techniques in laser medicine187US 5,928,222 A1999
- Fiber optic temperature sensing184US 4,417,782 ARaychem Corporation · 1983