G01N 21/3103
Atomic absorption analysis
Official title: {Atomic absorption analysis}
G01N21/3103 (Atomic absorption analysis) appears on 321 US grants and 261 published applications in this corpus.
Search patents in G01N- Granted patents
- 321
- Published applications
- 261
- Assignees
- 236
- Inventors
- 806
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 3 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 8 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 15 |
| 2012 | 6 | 4 |
| 2013 | 7 | 10 |
| 2014 | 6 | 5 |
| 2015 | 1 | 14 |
| 2016 | 14 | 17 |
| 2017 | 13 | 13 |
| 2018 | 18 | 14 |
| 2019 | 16 | 21 |
| 2020 | 22 | 16 |
| 2021 | 20 | 21 |
| 2022 | 9 | 21 |
| 2023 | 10 | 11 |
| 2024 | 11 | 21 |
| 2025 | 19 | 18 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portable compound trace detection device8 Sep 2026US 12,730,039 B2
- Absorption spectrum-based chemical vapor deposition online in-situ characterization system and method1 Sep 2026US 12,723,976 B2Zhejiang University
- Optoelectronic device and a method for determining the distribution of a substance in a sample25 Aug 2026US 12,716,838 B2ams-OSRAM International GmbH
- Quantum spectrum sensing networks25 Aug 2026US 12,716,927 B2WaveRyde Instruments Inc.
- Sensor system and method for sensing a physical quantity16 Jun 2026US 12,657,662 B2Rohde & Schwarz GmbH & Co.KG
- Atomic absorption spectrophotometer1 Oct 2026US 2026/0298813 A1Shimadzu Corporation
- Quantum absorption spectroscopy method and quantum absorption spectroscopy system1 Oct 2026US 2026/0298819 A1Kyoto University
- Biosensor for glucose detection13 Aug 2026US 2026/0235498 A1VisEra Technologies Company Limited
- Composite particles6 Aug 2026US 2026/0224502 A1University of Leicester
- Dual frequency comb spectroscopy for medicinal fluid analysis16 Jul 2026US 2026/0202327 A1Honeywell International Inc.
Most cited
By later US patents
- Method and arrangement for determining nitric oxide concentration475US 3,947,685 ADeutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V. · 1976
- Method of calibrating an analytical instrument335US 5,552,997 AU. S. Philips Corporation · 1996
- Analytical instrument and method of calibrating an analytical instrument288US 5,210,778 AU. S. Philips Corporation · 1993
- Atomic resonance line source lamps and spectrophotometers for use with such lamps178US 4,645,343 AU. S. Philips Corporation · 1987
- Apparatus and method for rapid spectrophotometric pre-test screen of specimen for a blood analyzer57US 6,195,158 B1CME Telemetrix Inc. · 2001