G01K 11/00
Measuring temperature based upon physical or chemical changes not covered by groups
Official title: Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
G01K11/00 (Measuring temperature based upon physical or chemical changes not covered by groups) appears on 3,502 US grants and 3,394 published applications in this corpus.
Search patents in G01K- Granted patents
- 3,502
- Published applications
- 3,394
- Assignees
- 1,850
- Inventors
- 7,705
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 36 | 0 |
| 1978 | 24 | 0 |
| 1979 | 39 | 0 |
| 1980 | 37 | 0 |
| 1981 | 36 | 0 |
| 1982 | 27 | 0 |
| 1983 | 25 | 0 |
| 1984 | 27 | 0 |
| 1985 | 27 | 0 |
| 1986 | 24 | 0 |
| 1987 | 38 | 0 |
| 1988 | 45 | 0 |
| 1989 | 57 | 0 |
| 1990 | 35 | 0 |
| 1991 | 44 | 0 |
| 1992 | 38 | 0 |
| 1993 | 36 | 0 |
| 1994 | 37 | 0 |
| 1995 | 30 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 40 | 0 |
| 1999 | 38 | 0 |
| 2000 | 45 | 0 |
| 2001 | 46 | 7 |
| 2002 | 28 | 42 |
| 2003 | 56 | 65 |
| 2004 | 50 | 67 |
| 2005 | 38 | 64 |
| 2006 | 59 | 109 |
| 2007 | 40 | 76 |
| 2008 | 64 | 103 |
| 2009 | 70 | 120 |
| 2010 | 67 | 102 |
| 2011 | 69 | 90 |
| 2012 | 89 | 133 |
| 2013 | 76 | 123 |
| 2014 | 96 | 139 |
| 2015 | 112 | 165 |
| 2016 | 113 | 187 |
| 2017 | 149 | 175 |
| 2018 | 154 | 205 |
| 2019 | 183 | 205 |
| 2020 | 191 | 172 |
| 2021 | 160 | 224 |
| 2022 | 157 | 201 |
| 2023 | 155 | 196 |
| 2024 | 155 | 176 |
| 2025 | 131 | 131 |
| 2026 | 100 | 117 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01K 11/32Measuring temperature based upon physical or chemical changes not covered by groups1,282
- G01K 11/12Measuring temperature based upon physical or chemical changes not covered by groups982
- G01K 11/22Measuring temperature based upon physical or chemical changes not covered by groups401
- G01K 11/06Measuring temperature based upon physical or chemical changes not covered by groups394
- G01K 11/006Measuring temperature based upon physical or chemical changes not covered by groups213
- G01K 11/20Measuring temperature based upon physical or chemical changes not covered by groups147
- G01K 11/30Measuring temperature based upon physical or chemical changes not covered by groups30
- G01K 11/02Measuring temperature based upon physical or chemical changes not covered by groups26
All 11 subgroupsShow fewer
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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
- Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements365US 7,041,941 B2Patented Medical Solutions, LLC · 2006
- Acoustic thermometer307US 5,624,188 A1997
- Acoustic pyrometer304US 4,848,924 AThe Babcock & Wilcox Company · 1989