G01N 2021/3166
Using separate detectors and filters
Official title: {using separate detectors and filters}
G01N2021/3166 (Using separate detectors and filters) appears on 117 US grants and 87 published applications in this corpus.
Search patents in G01N- Granted patents
- 117
- Published applications
- 87
- Assignees
- 100
- Inventors
- 266
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 5 |
| 2006 | 1 | 3 |
| 2007 | 3 | 7 |
| 2008 | 4 | 4 |
| 2009 | 4 | 1 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 4 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 3 | 4 |
| 2017 | 3 | 1 |
| 2018 | 2 | 8 |
| 2019 | 5 | 1 |
| 2020 | 3 | 4 |
| 2021 | 4 | 7 |
| 2022 | 4 | 10 |
| 2023 | 8 | 4 |
| 2024 | 4 | 5 |
| 2025 | 6 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multichannel IR gas sensor that is compensated against mechanical disturbances20 Jan 2026US 12,529,653 B2Hamilton Medical AG
- Imaging method and biosensor for detecting spectrum shift16 Dec 2025US 12,498,318 B2VisEra Technologies Company Limited
- Method for analysing a gas using an optical sensor14 Oct 2025US 12,442,758 B2Elichens
- Ultraviolet inspection tool and inspection method using a visual indicator7 Oct 2025US 12,436,096 B2FUJIFILM Corporation
- Time response measurement apparatus and time response measurement method19 Aug 2025US 12,392,720 B2Hamamatsu Photonics K.K.
- Spectral filter gas detection using integrated silicon photonics16 Jul 2026US 2026/0202331 A1Honeywell International Inc.
- Analyte sensor with spatially distributed photodetectors, spatially distributed light sources, and/or co-located light sources21 May 2026US 2026/0140050 A1Senseonics, Incorporated
- Measurement of multiple gas concentrations26 Feb 2026US 2026/0056120 A1Schlumberger Technology Corporation
- Imaging method and biosensor for detecting spectrum shift22 May 2025US 2025/0164390 A1VisEra Technologies Company Limited
- Methods, apparatuses, and systems for diagnosing misalignment in gas detecting devices13 Mar 2025US 2025/0085218 A1Honeywell International Inc.
Most cited
By later US patents
- Multi-wavelength oximeter having a means for disregarding a poor signal414US 4,714,341 AMinolta Camera Kabushiki Kaisha · 1987
- Solid-state spectrometer230US 11,692,934 B2Masimo Corporation · 2023
- Body fluid analyte measurement220US 6,809,807 B1Integ, Inc. · 2004
- Miniature spectrometer179US 6,343,227 B12002
- Method of photometric in vitro determination of a blood gas parameter in a blood sample159US 5,525,518 ARadiometer Medical A/S · 1996