G01N 23/221
By activation analysis
Official title: by activation analysis
G01N23/221 (By activation analysis) appears on 192 US grants and 136 published applications in this corpus.
Search patents in G01N- Granted patents
- 192
- Published applications
- 136
- Assignees
- 126
- Inventors
- 490
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 7 |
| 2004 | 1 | 2 |
| 2005 | 1 | 5 |
| 2006 | 3 | 5 |
| 2007 | 6 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 10 |
| 2013 | 5 | 3 |
| 2014 | 4 | 5 |
| 2015 | 4 | 4 |
| 2016 | 10 | 8 |
| 2017 | 2 | 4 |
| 2018 | 4 | 7 |
| 2019 | 5 | 6 |
| 2020 | 5 | 7 |
| 2021 | 7 | 10 |
| 2022 | 5 | 9 |
| 2023 | 6 | 6 |
| 2024 | 9 | 7 |
| 2025 | 10 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for analyzing composition and method thereof6 Oct 2026US 12,754,152 B23I Solution Inc.
- Pipeline inspection apparatus comprising multiple barrel sections, articulating components, and radially extending structures18 Aug 2026US 12,710,561 B2Under Cover Technologies Corp.
- Material feeding apparatus and method28 Apr 2026US 12,613,120 B2Qlar Europe GmbH
- System and method for predicting the presence of rare earth elements14 Apr 2026US 12,601,697 B2Microbeam Technologies, Inc.
- Concentration detection device and concentration detection method2 Dec 2025US 12,487,198 B2Riken
- Sample loading system for a radiation effects testing system30 Apr 2026US 2026/0118291 A1
- Method for extracting discrete neutron components from photo-nuclear reactions using a trained neural network16 Apr 2026US 2026/0104371 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Methods and Systems for Determining Soil Texture Using Mobile Gamma Analysis22 Jan 2026US 2026/0023036 A1Carbon Asset Solutions (USA), Inc.
- Method and system for activation analysis15 Jan 2026US 2026/0016427 A1Chrysos Corporation Limited
- Systems and Methods for Elemental Soil Content Determination Utilizing Inelastic Neutron Scattering and Accounting for Moisture Content and Ambient Temperature16 Oct 2025US 2025/0321216 A1Carbon Asset Solutions (USA), Inc.
Most cited
By later US patents
- Single beam photoneutron probe and X-ray imaging system for contraband detection and identification336US 5,838,759 AAdvanced Research and Applications Corporation · 1998
- Simultaneous x-ray fluorescence spectrometer83US 6,226,347 B1Bruker AXS Analytical X-Ray Systems GmbH · 2001
- Deuterium tagged articles such as explosives and method for detection thereof79US 4,251,726 A1981
- Hidden explosives detector employing pulsed neutron and x-ray interrogation63US 5,200,626 AMartin Marietta Energy Systems, Inc. · 1993
- Compact X-ray fluorescence spectrometer for real-time wear metal analysis of lubrucating oils62US 5,982,847 AUtah State University · 1999