G01N 21/3151
Using two sources of radiation of different wavelengths
Official title: {using two sources of radiation of different wavelengths (G01N21/33 - G01N21/39 take precedence)}
G01N21/3151 (Using two sources of radiation of different wavelengths) appears on 412 US grants and 411 published applications in this corpus.
Search patents in G01N- Granted patents
- 412
- Published applications
- 411
- Assignees
- 294
- Inventors
- 999
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 6 |
| 2003 | 9 | 8 |
| 2004 | 4 | 16 |
| 2005 | 5 | 10 |
| 2006 | 8 | 12 |
| 2007 | 6 | 6 |
| 2008 | 11 | 16 |
| 2009 | 12 | 6 |
| 2010 | 7 | 11 |
| 2011 | 4 | 18 |
| 2012 | 11 | 12 |
| 2013 | 15 | 33 |
| 2014 | 9 | 16 |
| 2015 | 16 | 17 |
| 2016 | 20 | 17 |
| 2017 | 19 | 15 |
| 2018 | 8 | 15 |
| 2019 | 30 | 31 |
| 2020 | 15 | 15 |
| 2021 | 13 | 19 |
| 2022 | 16 | 33 |
| 2023 | 20 | 25 |
| 2024 | 23 | 21 |
| 2025 | 30 | 17 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Equipment for measuring the content of organic substances in water emulsions and solutions25 Aug 2026US 12,716,830 B2PBT Works s.r.o.
- 3D cameras or sensors inputting to multi-modal generative artificial intelligence models trained on images or videos14 Apr 2026US 12,599,305 B2Omni Medsci, Inc.
- Field-deployable multiplexed sampling and monitoring device and bacterial contamination measurement method7 Apr 2026US 12,595,447 B2Fluidion SAS
- Measuring device and selection device31 Mar 2026US 12,590,899 B2Satake Corporation
- Techniques for performing optical and electrochemical assays with universal circuitry24 Feb 2026US 12,560,569 B2Abbott Point of Care Inc.
- Smart glasses with multi-modal generative artifical intelligence assistant30 Jul 2026US 2026/0215689 A1Omni Medsci, Inc.
- System and method for analyzing spectral data using artificial intelligence16 Jul 2026US 2026/0204363 A1Vionix Biosciences Inc.
- Methods and systems for open path gas detection23 Apr 2026US 2026/0110630 A1Insight M Inc.
- Apparatus, system and method for detecting biomarkers16 Apr 2026US 2026/0101991 A1Colgate-Palmolive Company
- Material recognition device and material recognition method26 Mar 2026US 2026/0086027 A1Pixart Imaging Inc.
Most cited
By later US patents
- Manual and automatic probe calibration1,429US 5,758,644 AMasimo Corporation · 1998
- Manual and automatic probe calibration1,177US 6,011,986 AMasimo Corporation · 2000
- Optical probe and positioning wrap1,167US 6,678,543 B2Masimo Corporation · 2004
- Manual and automatic probe calibration1,147US 6,397,091 B2Masimo Corporation · 2002
- Manual and automatic probe calibration1,057US 5,823,950 AMasimo Corporation · 1998