G01N 21/5907
Densitometers
Official title: {Densitometers}
G01N21/5907 (Densitometers) appears on 436 US grants and 300 published applications in this corpus.
Search patents in G01N- Granted patents
- 436
- Published applications
- 300
- Assignees
- 330
- Inventors
- 1,026
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 15 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 13 |
| 2003 | 5 | 9 |
| 2004 | 7 | 12 |
| 2005 | 7 | 15 |
| 2006 | 9 | 4 |
| 2007 | 5 | 11 |
| 2008 | 9 | 15 |
| 2009 | 7 | 9 |
| 2010 | 8 | 17 |
| 2011 | 11 | 8 |
| 2012 | 4 | 16 |
| 2013 | 17 | 15 |
| 2014 | 8 | 13 |
| 2015 | 7 | 10 |
| 2016 | 12 | 15 |
| 2017 | 9 | 14 |
| 2018 | 11 | 21 |
| 2019 | 12 | 8 |
| 2020 | 19 | 17 |
| 2021 | 14 | 19 |
| 2022 | 13 | 17 |
| 2023 | 10 | 11 |
| 2024 | 14 | 5 |
| 2025 | 7 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 21/5911Of the scanning type104
- G01N 2021/5957Using an image detector type detectorIndexing code93
- G01N 2021/5915Processing scan data in densitometryIndexing code60
- G01N 2021/5969Scanning of a tube, a cuvette, a volume of sampleIndexing code55
- G01N 2021/598Features of mounting, adjustingIndexing code27
- G01N 2021/5976Image projected and scanning projected imageIndexing code1
Recent patents
- Apparatus and method for analyzing a bodily sample11 Aug 2026US 12,702,978 B2S. D. Sight Diagnostics Ltd.
- Methods for determining particle positional information in a flow cytometer core stream and systems for same14 Jul 2026US 12,680,938 B2Becton, Dickinson and Company
- System and method for contamination monitoring24 Feb 2026US 12,560,084 B2Schlumberger Technology Corporation
- Device for testing bacterium, and method for testing bacterium6 Jan 2026US 12,516,364 B2Hitachi High-Tech Corporation
- Methods and apparatuses for spectrophotometric determination of contents and turbidity of a liquid sample11 Nov 2025US 12,467,855 B26861025 Manitoba Ltd
- Detection device9 Jul 2026US 2026/0194456 A1Japan Display Inc.
- Detection device11 Jun 2026US 2026/0159792 A1Japan Display Inc.
- Physical quantity measurement apparatus15 Jan 2026US 2026/0016413 A1Asahi Kasei Microdevices Corporation
- Color measurement18 Sep 2025US 2025/0290800 A1Axalta Coating Systems IP Co., LLC
- Advanced crystallization testing apparatus for pipeline applications19 Jun 2025US 2025/0198932 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Optical biosensor system268US 5,313,264 APharmacia Biosensor AB · 1994
- Apparatus for analysis of specific binding complexes169US 5,132,097 AG.D. Research · 1992
- Apparatus and method for a multi-resolution electro-optical imaging, display and storage/retrieval system120US 4,777,525 A1988
- Quantitative light microscope using a solid state detector in the primary image plane107US 4,845,552 A1989
- Apparatus for measuring aggregation patterns on a microplate102US 5,234,665 ASuzuki Motor Corporation · 1993