G01N 2223/202
Isotopes
Official title: isotopes
G01N2223/202 (Isotopes) appears on 22 US grants and 9 published applications in this corpus.
Search patents in G01N- Granted patents
- 22
- Published applications
- 9
- Assignees
- 19
- Inventors
- 53
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 4 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Self-centering clamp adapter for x-ray and gammaray weld inspection18 Nov 2025US 12,474,280 B2Varex Imaging Corporation
- Device and method for measuring total cross-sectional phase fraction of multiphase flow based on ray coincidence measurement7 Nov 2023US 11,808,719 B2Sea Pioneers Technologies Co., Ltd.
- Radiographic inspection system for pipes and other structures using radioisotopes22 Aug 2023US 11,733,182 B2Varex Imaging Corporation
- Gamma radiography system and method of using a gamma radiography system11 Jul 2023US 11,698,351 B1King Abdulaziz University
- Radiographic inspection system for pipes and other structures and material loss estimation6 Jun 2023US 11,668,660 B2Varex Imaging Corporation
- High-definition emission tomography image acquisition device for high density fuel assembly24 Jul 2025US 2025/0239377 A1University Industry Foundation, Yonsei University Wonju Campus
- Self-centering clamp adapter for x-ray and gammaray weld inspection22 May 2025US 2025/0164419 A1Varex Imaging Corporation
- Radiographic inspection system for pipes and other structures and material loss estimation31 Mar 2022US 2022/0099598 A1Varex Imaging Corporation
- Device and method for measuring total cross-sectional phase fraction of multiphase flow based on ray coincidence measurement21 Oct 2021US 2021/0325320 A1Sea Pioneers Technologies Co., Ltd.
- Radiographic inspection system for pipes and other structures using radioisotopes24 Jun 2021US 2021/0190705 A1Varex Imaging Corporation
Most cited
By later US patents
- Method for detecting and quantifying carbon isotopes31US 4,427,884 AThe Research Foundation of State University of New York · 1984
- Method of and apparatus for sensing the ash content of coal26US 4,486,894 ACoal Industry (Patents) Limited · 1984
- Apparatus for quantitative in-line X-ray fluorescence analysis of slurries16US 4,125,769 AGesellschaft fur Kernenergieverwertung in Schiffbau und Schiffahrt mbH · 1978
- Annihilation radiation analysis14US 4,415,804 AAustralian Atomic Energy Commission · 1983
- Apparatus for analyzing free-flowing material10US 4,024,393 AGesellschaft fur Kernforschung m.b.H. · 1977