G01N 21/73
Using plasma burners or torches
Official title: using plasma burners or torches
G01N21/73 (Using plasma burners or torches) appears on 316 US grants and 263 published applications in this corpus.
Search patents in G01N- Granted patents
- 316
- Published applications
- 263
- Assignees
- 188
- Inventors
- 678
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 2 |
| 2003 | 5 | 6 |
| 2004 | 7 | 10 |
| 2005 | 6 | 6 |
| 2006 | 12 | 6 |
| 2007 | 3 | 7 |
| 2008 | 5 | 7 |
| 2009 | 7 | 12 |
| 2010 | 7 | 5 |
| 2011 | 3 | 5 |
| 2012 | 4 | 5 |
| 2013 | 0 | 4 |
| 2014 | 8 | 4 |
| 2015 | 3 | 10 |
| 2016 | 6 | 8 |
| 2017 | 10 | 19 |
| 2018 | 14 | 22 |
| 2019 | 19 | 21 |
| 2020 | 22 | 16 |
| 2021 | 12 | 22 |
| 2022 | 18 | 13 |
| 2023 | 8 | 14 |
| 2024 | 15 | 19 |
| 2025 | 14 | 11 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable transmission aperture1 Sep 2026US 12,723,914 B2Agilent Technologies, Inc.
- Systems for integrated decomposition and scanning of a semiconducting wafer18 Aug 2026US 12,713,869 B2Elemental Scientific, Inc.
- Analytical nebulizer16 Jun 2026US 12,656,232 B2Texas Scientific Products LLC
- Method and system for performing multi-element analysis in real-time using multi-element concentration sensor19 May 2026US 12,631,564 B1Mapana Inc.
- Systems and methods for inline, dual-stage sample dilution5 May 2026US 12,616,969 B2Elemental Scientific, Inc.
- System and method for analyzing spectral data using a valved non-thermal plasma reactor10 Sep 2026US 2026/0266733 A1Vionix Biosciences Inc.
- Method And System For Performing Multi-Element Analysis In Real-Time Using Multi-Element Concentration Sensor20 Aug 2026US 2026/0243689 A1Mapana Inc.
- Method For Detecting Metal Foreign Material In Electrode Active Material18 Jun 2026US 2026/0168126 A1LG Energy Solution, Ltd.
- Analysis method for sample containing mercury30 Apr 2026US 2026/0118326 A1Bl Tec K.K.
- Methods for quantitatively analyzing chromate coatings on metal substrates23 Apr 2026US 2026/0110638 A1
Most cited
By later US patents
- Inductively coupled plasma spectrometer for process diagnostics and control435US 6,867,859 B1Lightwind Corporation · 2005
- Full spectrum endpoint detection111US 6,969,619 B1Novellus Systems, Inc. · 2005
- Process for device fabrication in which the plasma etch is controlled by monitoring optical emission69US 5,877,032 ALucent Technologies Inc. · 1999
- Monitor of plasma processes with multivariate statistical analysis of plasma emission spectra68US 6,153,115 AMassachusetts Institute of Technology · 2000
- Inductively coupled plasma spectrometers and radio-frequency power supply therefor64US 5,383,019 AFisons Limited · 1995