G01N 21/171
With calorimetric detection
Official title: {with calorimetric detection, e.g. with thermal lens detection}
G01N21/171 (With calorimetric detection) appears on 267 US grants and 252 published applications in this corpus.
Search patents in G01N- Granted patents
- 267
- Published applications
- 252
- Assignees
- 172
- Inventors
- 584
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 4 |
| 2003 | 5 | 5 |
| 2004 | 4 | 13 |
| 2005 | 6 | 9 |
| 2006 | 15 | 6 |
| 2007 | 4 | 5 |
| 2008 | 5 | 5 |
| 2009 | 2 | 6 |
| 2010 | 4 | 11 |
| 2011 | 7 | 4 |
| 2012 | 4 | 7 |
| 2013 | 7 | 7 |
| 2014 | 6 | 7 |
| 2015 | 10 | 8 |
| 2016 | 5 | 8 |
| 2017 | 8 | 6 |
| 2018 | 6 | 10 |
| 2019 | 5 | 13 |
| 2020 | 10 | 9 |
| 2021 | 9 | 13 |
| 2022 | 11 | 14 |
| 2023 | 12 | 21 |
| 2024 | 17 | 18 |
| 2025 | 22 | 27 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Measuring arrangements and methods for the detection of trace gases in a sample gas25 Aug 2026US 12,716,836 B2Endress+Hauser Group Services AG
- Bond-selective full-field optical coherence tomography18 Aug 2026US 12,710,262 B2Trustees of Boston University
- Nanosecond-scale photothermal dynamic imaging14 Jul 2026US 12,680,945 B2Trustees of Boston University
- Depth-resolved mid-infrared photothermal imaging of living cells and organisms with sub-micron spatial resolution2 Jun 2026US 12,644,833 B2Purdue Research Foundation
- Method and apparatus for inspection of panel embedded dies using combined thermal and optical imaging2 Jun 2026US 12,644,851 B2Orbotech Ltd.
- Nanosecond-scale photothermal dynamic imaging8 Oct 2026US 2026/0309619 A1Trustees of Boston University
- Material sensitive lidar27 Aug 2026US 2026/0251762 A1Nokia Technologies Oy
- Photothermal microscopy using whispering gallery microcavities13 Aug 2026US 2026/0235519 A1Arizona Board of Regents on Behalf of the University of Arizona
- Video rate mid-infrared photothermal microscopy system using synchronized laser scanning6 Aug 2026US 2026/0227328 A1Trustees of Boston University
- Infrared absorbance-modulated evanescent scattering microscopy23 Jul 2026US 2026/0210853 A1Trustees of Boston University
Most cited
By later US patents
- Chemical detection using calorimetric spectroscopy188US 5,923,421 ALockheed Martin Energy Research Corporation · 1999
- Thin film thickness measurement with thermal waves157US 4,522,510 ATherma-Wave, Inc. · 1985
- Method and apparatus for evaluating surface and subsurface features in a semiconductor127US 4,854,710 ATherma-Wave, Inc. · 1989
- Method and device for photothermal examination of microinhomogeneities110US 7,230,708 B22007
- Method and apparatus for evaluating surface conditions of a sample109US 4,636,088 ATherma-Wave, Inc. · 1987