G01N 21/74
Using flameless atomising
Official title: using flameless atomising, e.g. graphite furnaces
G01N21/74 (Using flameless atomising) appears on 159 US grants and 31 published applications in this corpus.
Search patents in G01N- Granted patents
- 159
- Published applications
- 31
- Assignees
- 58
- Inventors
- 225
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ion beam time of arrival (TOA) gauge5 May 2026US 12,618,709 B2Analex Corporation
- Apparatus comprising infrared cameras and a temperature source and method for detecting cracks in samples by infrared radiation10 Mar 2026US 12,571,727 B2Infineon Technologies AG
- Test device and test method for isotope measurement of noble gases in lunar soil28 Jan 2025US 12,209,966 B1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Method for quantitative analysis of hydrogen in porous silica2 Jul 2024US 12,025,554 B2LG Chem.Ltd.
- Device and method for simultaneously measuring mercury, cadmium, zinc and lead12 Sep 2023US 11,754,494 B2Changsha Kaiyuan Hongsheng Technology Co., Ltd
- Ion beam time of arrival (toa) gauge24 Jul 2025US 2025/0237546 A1Analex Corporation
- Atomic absorption spectrophotometer19 Jun 2025US 2025/0198914 A1Shimadzu Corporation
- Device and method for simultaneously measuring mercury, cadmium, zinc and lead25 May 2023US 2023/0160813 A1Changsha Kaiyuan Hongsheng Technology Co., Ltd
- Apparatus and method for detecting cracks in samples by infrared radiation23 Mar 2023US 2023/0086591 A1Infineon Technologies AG
- Method and Device for Compensating Temperature Gradient Effects21 Apr 2022US 2022/0120666 A1TDK Corporation
Most cited
By later US patents
- Automatic sample deposition in flameless analysis61US 4,361,401 AInstrumentation Laboratory Company · 1982
- Atomic absorption spectroscopy photometer22US 5,035,505 AHitachi, Ltd. · 1991
- Multi-element simultaneous analysis atomic absorption spectroscopy photometer and multi-element simultaneous analytic method22US 5,283,624 AHitachi, Ltd. · 1994
- Open loop control for spectrophotometer atomizer furnace20US 4,570,054 AVarian Associates, Inc. · 1986
- Continuum source atomic absorption spectrometry20US 5,018,856 AThe United States of America as represented by the Secretary of Agriculture · 1991