G01N 21/93
Detection standards
Official title: Detection standards; Calibrating {baseline adjustment, drift correction}
G01N21/93 (Detection standards) appears on 352 US grants and 368 published applications in this corpus.
Search patents in G01N- Granted patents
- 352
- Published applications
- 368
- Assignees
- 277
- Inventors
- 1,034
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 5 |
| 2003 | 2 | 7 |
| 2004 | 3 | 4 |
| 2005 | 6 | 8 |
| 2006 | 9 | 11 |
| 2007 | 4 | 10 |
| 2008 | 7 | 7 |
| 2009 | 3 | 6 |
| 2010 | 10 | 11 |
| 2011 | 6 | 9 |
| 2012 | 5 | 18 |
| 2013 | 12 | 10 |
| 2014 | 10 | 7 |
| 2015 | 17 | 11 |
| 2016 | 11 | 20 |
| 2017 | 11 | 23 |
| 2018 | 21 | 20 |
| 2019 | 19 | 31 |
| 2020 | 30 | 29 |
| 2021 | 18 | 21 |
| 2022 | 20 | 27 |
| 2023 | 23 | 17 |
| 2024 | 18 | 27 |
| 2025 | 17 | 15 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method of object detection using AI deep learning25 Aug 2026US 12,718,549 B2QC Hero, Inc.
- Calibration method and measurement system18 Aug 2026US 12,710,269 B2Mitutoyo Corporation
- Visual inspection system and method4 Aug 2026US 12,699,057 B2Contemporary Amperex Runzhi Software Technology Limited
- Control method for controlling system and system4 Aug 2026US 12,700,081 B2Canon Kabushiki Kaisha
- Fault diagnosis apparatus based on fluorescence multivariate correction analysis of transformer oil28 Jul 2026US 12,693,220 B2Hefei Institutes of Physical Science, Chinese Academy of Sciences
- Coating system and calibration method thereof8 Oct 2026US 2026/0309488 A1Contemporary Amperex Technology Co., Limited
- Temperature-specific performance deviation correction apparatus and correction method for photosensor detecting nephelometric turbidity units1 Oct 2026US 2026/0297831 A1LG Electronics Inc.
- Methods for calibrating a non-destructive testing apparatus17 Sep 2026US 2026/0276557 A1Airbus SAS
- System and Method for Automated or Semi-Automated Inspection of Electronic Assemblies3 Sep 2026US 2026/0259147 A1
- Cartridges and uses thereof20 Aug 2026US 2026/0243698 A1Instrumentation Laboratory Company
Most cited
By later US patents
- High speed, high resolution web inspection system74US 5,305,392 APhilip Morris Incorporated · 1994
- Apparatus for surface inspections58US 5,377,002 ATet Techno Trust Investment Settlement · 1994
- Method for attaching biological molecules to a glass surface56US 6,855,490 B2Medical Discovery Partners LLC · 2005
- Surface inspection and characterization system and process50US 5,406,082 AThiokol Corporation · 1995
- Method and apparatus for detecting foreign particles in full beverage containers47US 4,136,930 AThe Coca-Cola Company · 1979