G01N 23/20066
Measuring inelastic scatter of gamma rays
Official title: Measuring inelastic scatter of gamma rays, e.g. Compton effect
G01N23/20066 (Measuring inelastic scatter of gamma rays) appears on 50 US grants and 57 published applications in this corpus.
Search patents in G01N- Granted patents
- 50
- Published applications
- 57
- Assignees
- 61
- Inventors
- 158
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 5 | 4 |
| 2019 | 2 | 2 |
| 2020 | 3 | 7 |
| 2021 | 5 | 3 |
| 2022 | 4 | 6 |
| 2023 | 4 | 1 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-modal compton and single photon emission computed tomography medical imaging system11 Nov 2025US 12,465,305 B2Siemens Medical Solutions USA, Inc.
- Medical image processing device, computer program, and nuclear medicine device7 Oct 2025US 12,433,548 B2National Institutes for Quantum Science and Technology
- Full beam metrology for x-ray scatterometry systems3 Jun 2025US 12,320,763 B2KLA Corporation
- Materials classifier23 Jul 2024US 12,044,635 B2BAE SYSTEMS plc
- Multi-modal Compton and single photon emission computed tomography medical imaging system4 Jun 2024US 11,998,374 B2Siemens Medical Solutions USA, Inc.
- Techniques for Determining Carbon to Oxygen Ratio Using Neutron-Induced Gamma Ray Spectroscopy9 Jul 2026US 2026/0194684 A1Weatherford Technology Holdings, LLC
- Method of identifying material and apparatus of identifying material4 Jun 2026US 2026/0153457 A1Nuctech Company Limited
- Quantitative material characterization method and system based on multi-energy photon and neutron interaction ratios with real-time noise correction19 Mar 2026US 2026/0079121 A1
- Determination of Material Composition Using Compton Scatter26 Feb 2026US 2026/0056151 A1Viken Detection Corporation
- Multi-modal compton and single photon emission computed tomography medical imaging system12 Feb 2026US 2026/0041384 A1Siemens Medical Solutions USA, Inc.
Most cited
By later US patents
- Compton scattering tomography115US 5,430,787 AThe United States of America as represented by the Secretary of Commerce · 1995
- Method and apparatus for determining both density and atomic number of a material composition using Compton scattering29US 5,729,582 A1998
- Use of nearly monochromatic and tunable photon sources with nuclear resonance fluorescence in non-intrusive inspection of containers for material detection and imaging22US 7,409,042 B2Passport Systems, Inc. · 2008
- Full beam metrology for X-ray scatterometry systems19US 10,775,323 B2KLA-Tencor Corporation · 2020
- Two-dimensional compton profile imaging method19US 4,850,002 AU. S. Philips Corporation · 1989