G01N 21/71
Thermally excited
Official title: thermally excited
G01N21/71 (Thermally excited) appears on 1,336 US grants and 1,126 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,336
- Published applications
- 1,126
- Assignees
- 757
- Inventors
- 2,985
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 10 | 0 |
| 1980 | 18 | 0 |
| 1981 | 10 | 0 |
| 1982 | 12 | 0 |
| 1983 | 13 | 0 |
| 1984 | 9 | 0 |
| 1985 | 19 | 0 |
| 1986 | 18 | 0 |
| 1987 | 21 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 21 | 0 |
| 1991 | 26 | 0 |
| 1992 | 23 | 0 |
| 1993 | 18 | 0 |
| 1994 | 9 | 0 |
| 1995 | 21 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 28 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 5 |
| 2002 | 22 | 15 |
| 2003 | 19 | 25 |
| 2004 | 30 | 38 |
| 2005 | 21 | 24 |
| 2006 | 28 | 26 |
| 2007 | 21 | 28 |
| 2008 | 22 | 37 |
| 2009 | 20 | 38 |
| 2010 | 25 | 23 |
| 2011 | 19 | 28 |
| 2012 | 22 | 41 |
| 2013 | 26 | 37 |
| 2014 | 26 | 43 |
| 2015 | 22 | 39 |
| 2016 | 43 | 59 |
| 2017 | 61 | 73 |
| 2018 | 52 | 56 |
| 2019 | 72 | 81 |
| 2020 | 75 | 66 |
| 2021 | 42 | 66 |
| 2022 | 61 | 60 |
| 2023 | 46 | 53 |
| 2024 | 46 | 63 |
| 2025 | 54 | 53 |
| 2026 | 37 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 21/718Laser microanalysis, i.e. with formation of sample plasma495
- G01N 21/73Using plasma burners or torches316
- G01N 21/74Using flameless atomising159
- G01N 21/72Using flame burners127
- G01N 21/714Sample nebulisers for flame burners or plasma burners85
- G01N 21/716By measuring the radiation emitted by a test object treated by combustion27
- G01N 2021/712Using formation of volatile hydrideIndexing code3
Recent patents
- Device and method for material analysis using microfluidics, machine vision, and laser-induced breakdown spectroscopy22 Sep 2026US 12,742,735 B2SDT Inc.
- Variable transmission aperture1 Sep 2026US 12,723,914 B2Agilent Technologies, Inc.
- Methods for analyzing plant material, for determining plant material components and for detecting plant diseases in plant material18 Aug 2026US 12,710,375 B2KWS SAAT SE & Co. KGaA
- Systems for integrated decomposition and scanning of a semiconducting wafer18 Aug 2026US 12,713,869 B2Elemental Scientific, Inc.
- Apparatus and method for measuring chlorine ions in concrete28 Jul 2026US 12,693,226 B2Shenzhen University
- Estimating element content in molten material at openings of metallurgical vessels8 Oct 2026US 2026/0309629 A1Paul Wurth S. A.
- Estimating element content in molten material at openings of metallurgical vessels8 Oct 2026US 2026/0309630 A1Paul Wurth S. A.
- Material testing systems and associated components and methods8 Oct 2026US 2026/0309631 A1Battelle Energy Alliance, LLC
- Fire classification based flame detection1 Oct 2026US 2026/0298712 A1
- Pneumatic nebulization-photochemical vapor generation dual mode sample introduction system1 Oct 2026US 2026/0298781 A1
Most cited
By later US patents
- Inductively coupled plasma spectrometer for process diagnostics and control435US 6,867,859 B1Lightwind Corporation · 2005
- Method and apparatus for high precision variable rate material removal and modification344US 6,156,030 AY-Beam Technologies, Inc. · 2000
- Non-invasive infrared absorption spectrometer for the generation and capture of thermal gradient spectra from living tissue171US 6,072,180 AOptiScan Biomedical Corporation · 2000
- Method and apparatus for high precision variable rate material, removal and modification163US 6,482,199 B12002
- Spectroscopic sensor on mobile phone156US 7,420,663 B2BWT Property, Inc. · 2008