G01N 2223/652
Impurities, foreign matter, trace amounts
Official title: impurities, foreign matter, trace amounts
G01N2223/652 (Impurities, foreign matter, trace amounts) appears on 125 US grants and 161 published applications in this corpus.
Search patents in G01N- Granted patents
- 125
- Published applications
- 161
- Assignees
- 109
- Inventors
- 351
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 10 |
| 2015 | 2 | 3 |
| 2016 | 7 | 3 |
| 2017 | 4 | 11 |
| 2018 | 10 | 10 |
| 2019 | 10 | 12 |
| 2020 | 14 | 17 |
| 2021 | 8 | 11 |
| 2022 | 8 | 12 |
| 2023 | 10 | 20 |
| 2024 | 18 | 21 |
| 2025 | 12 | 10 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- X-ray measuring method and X-ray measuring device for measuring a strand1 Sep 2026US 12,723,995 B2CiTEX Holding GmbH
- X-ray inspection apparatus25 Aug 2026US 12,716,853 B2Ishida Co., Ltd.
- Monitoring nanoparticle additives in wellbore treatment fluid using x-ray fluorescence9 Jun 2026US 12,650,370 B2Halliburton Energy Services.Inc.
- Lubricating oil analysis9 Jun 2026US 12,650,420 B2ExxonMobil Technology and Engineering Company
- Microplastic concentration measurement sensor and microplastic concentration measurement system using the same19 May 2026US 12,631,597 B2Korea Electronics Technology Institute
- X-ray transmission inspection apparatus and x-ray transmission inspection method8 Oct 2026US 2026/0309652 A1Hitachi High-Tech Science Corporation
- X-ray inspection device and preventive maintenance device therefor1 Oct 2026US 2026/0298843 A1Anritsu Corporation
- Material Detection in X-Ray Security Screening24 Sep 2026US 2026/0290018 A1Rapiscan Holdings, Inc.
- X-ray inspection apparatus17 Sep 2026US 2026/0276565 A1Ishida Co., Ltd.
- Inspection image display device17 Sep 2026US 2026/0276567 A1Ishida Co., Ltd.
Most cited
By later US patents
- Detection of impurities in fluid flowing in refinery pipeline or oil production operations using nuclear techniques41US 4,209,695 ATexaco Inc. · 1980
- Method and apparatus for surface characterization and process control utilizing radiation from desorbed particles36US 4,393,311 ABell Telephone Laboratories, Incorporated · 1983
- X-ray inspection system27US 9,865,424 B2System Square Inc. · 2018
- Foreign object detection21US 7,463,714 B2The Boeing Company · 2008
- Correction of x-ray images13US 7,860,214 B1The United States of America as represented by the Secretary of Agriculture · 2010