G01J 5/52
Radiation pyrometry: using comparison with reference sources
Official title: using comparison with reference sources, e.g. disappearing-filament pyrometer
G01J5/52 (Radiation pyrometry: using comparison with reference sources) appears on 630 US grants and 478 published applications in this corpus.
Search patents in G01J- Granted patents
- 630
- Published applications
- 478
- Assignees
- 408
- Inventors
- 1,361
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 16 | 0 |
| 1993 | 8 | 0 |
| 1994 | 16 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 0 |
| 2002 | 13 | 8 |
| 2003 | 10 | 15 |
| 2004 | 12 | 19 |
| 2005 | 8 | 11 |
| 2006 | 15 | 10 |
| 2007 | 8 | 16 |
| 2008 | 11 | 13 |
| 2009 | 12 | 12 |
| 2010 | 13 | 21 |
| 2011 | 7 | 6 |
| 2012 | 13 | 9 |
| 2013 | 14 | 14 |
| 2014 | 9 | 16 |
| 2015 | 21 | 19 |
| 2016 | 14 | 17 |
| 2017 | 12 | 21 |
| 2018 | 23 | 24 |
| 2019 | 27 | 34 |
| 2020 | 24 | 27 |
| 2021 | 29 | 36 |
| 2022 | 27 | 45 |
| 2023 | 32 | 25 |
| 2024 | 27 | 37 |
| 2025 | 25 | 13 |
| 2026 | 16 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical transitional switch18 Aug 2026US 12,710,235 B2Raytheon Company
- Estimation of the temperature of a steel product14 Jul 2026US 12,680,878 B2ArcelorMittal
- Method and system for non-contact temperature measurement of spot on target object30 Jun 2026US 12,669,381 B2National Tsing Hua University
- Substrate temperature measuring device, substrate processing apparatus including the same, and substrate temperature measuring method using the same30 Jun 2026US 12,669,382 B2Samsung Electronics Co., Ltd.
- Compact apparatus for non-contact temperature sensing of rotating elements2 Jun 2026US 12,644,771 B2BAE Systems Information and Electronic Systems Integration Inc.
- Hot end glass container thickness evaluation8 Oct 2026US 2026/0309482 A1Owens-Brockway Glass Container Inc.
- Color temperature detection method, color temperature detection apparatus, device and storage medium23 Jul 2026US 2026/0210769 A1Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
- Radiometric performance enhancement of extended area blackbodies16 Jul 2026US 2026/0202252 A1
- Calibration fixture for thermal imaging sensors30 Apr 2026US 2026/0118183 A1Seek Thermal, Inc.
- Multispectral imaging systems and methods9 Apr 2026US 2026/0100013 A1The University of Melbourne
Most cited
By later US patents
- Body temperature thermometer and method fo measuring human body temperature utilizing calibration mapping656US 5,293,877 ASherwood IMS, Inc. · 1994
- Spatial light modulator based optical calibration system324US 5,323,002 ATexas Instruments Incorporated · 1994
- Method and apparatus for measuring internal body temperature utilizing infrared emissions284US 4,602,642 AIntelligent Medical Systems, Inc. · 1986
- Infrared electronic thermometer and method for measuring temperature209US 4,797,840 AThermoscan Inc. · 1989
- Disposable speculum with membrane bonding ring195US 5,179,936 AIntelligent Medical Systems, Inc. · 1993