G01K 11/12
Measuring temperature based upon physical or chemical changes not covered by groups
Official title: using changes in colour, translucency or reflectance
G01K11/12 (Measuring temperature based upon physical or chemical changes not covered by groups) appears on 982 US grants and 975 published applications in this corpus.
Search patents in G01K- Granted patents
- 982
- Published applications
- 975
- Assignees
- 647
- Inventors
- 2,118
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 12 | 0 |
| 1978 | 8 | 0 |
| 1979 | 15 | 0 |
| 1980 | 17 | 0 |
| 1981 | 16 | 0 |
| 1982 | 15 | 0 |
| 1983 | 9 | 0 |
| 1984 | 15 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 17 | 0 |
| 1991 | 7 | 0 |
| 1992 | 15 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 1 |
| 2002 | 9 | 15 |
| 2003 | 16 | 15 |
| 2004 | 12 | 15 |
| 2005 | 8 | 12 |
| 2006 | 9 | 31 |
| 2007 | 8 | 29 |
| 2008 | 15 | 36 |
| 2009 | 14 | 41 |
| 2010 | 17 | 27 |
| 2011 | 20 | 25 |
| 2012 | 22 | 42 |
| 2013 | 27 | 30 |
| 2014 | 27 | 39 |
| 2015 | 26 | 37 |
| 2016 | 35 | 68 |
| 2017 | 40 | 46 |
| 2018 | 38 | 67 |
| 2019 | 46 | 75 |
| 2020 | 56 | 56 |
| 2021 | 48 | 52 |
| 2022 | 36 | 50 |
| 2023 | 42 | 54 |
| 2024 | 39 | 39 |
| 2025 | 32 | 46 |
| 2026 | 23 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-response single layer sensor platform29 Sep 2026US 12,747,999 B2Zebra Technologies Corporation
- Feeding bottle comprising a color change indicator for the purpose of temperature control, and use of said indicator15 Sep 2026US 12,734,113 B2MAPA GmbH
- Thermochromic ink indicia for activatable quality labels18 Aug 2026US 12,710,320 B2Varcode Ltd.
- Dual heat-freeze indicator4 Aug 2026US 12,699,011 B2Zebra Technologies Corporation
- Temperature sensors28 Jul 2026US 12,693,171 B2Iowa State University Research Foundation, Inc.
- Bodipy compound, and temperature-sensitive fluorescent sensor of cell organelles comprising same17 Sep 2026US 2026/0274877 A1Institute for Basic Science
- Nano-Probe Thermoreflectance Microscopy17 Sep 2026US 2026/0276672 A1Laser Thermal Analysis, Inc.
- Wafer surface temperature measurement method and apparatus27 Aug 2026US 2026/0251509 A1Shanghai Gnd Etech Co., Ltd.
- State identification method20 Aug 2026US 2026/0242861 A1Yokogawa Electric Corporation
- Activatable environmental exposure indicator with tailorable response conditions20 Aug 2026US 2026/0243610 A1Zebra Technologies Corporation
Most cited
By later US patents
- Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements365US 7,041,941 B2Patented Medical Solutions, LLC · 2006
- Enhanced resolution liquid crystal microthermography method and apparatus178US 5,767,489 AHewlett-Packard Company · 1998
- Blood vessel locating needle assembly with thermochromic indicator135US 4,971,068 ABio-Plexus, Inc. · 1990
- Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements118US 7,307,245 B2Patented Medical Solutions, LLC · 2007
- Thermochromic textile material114US 4,681,791 AThe Pilot Ink Co., Ltd. · 1987