G01N 2021/6491
Measuring fluorescence and transmission
Official title: {Measuring fluorescence and transmission; Correcting inner filter effect}
G01N2021/6491 (Measuring fluorescence and transmission) appears on 185 US grants and 216 published applications in this corpus.
Search patents in G01N- Granted patents
- 185
- Published applications
- 216
- Assignees
- 155
- Inventors
- 400
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 6 |
| 2006 | 1 | 6 |
| 2007 | 5 | 8 |
| 2008 | 3 | 9 |
| 2009 | 1 | 8 |
| 2010 | 4 | 16 |
| 2011 | 6 | 12 |
| 2012 | 12 | 12 |
| 2013 | 13 | 21 |
| 2014 | 16 | 12 |
| 2015 | 13 | 16 |
| 2016 | 19 | 11 |
| 2017 | 6 | 7 |
| 2018 | 7 | 13 |
| 2019 | 10 | 10 |
| 2020 | 14 | 6 |
| 2021 | 8 | 15 |
| 2022 | 7 | 5 |
| 2023 | 5 | 5 |
| 2024 | 7 | 7 |
| 2025 | 8 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for monitoring and control of a wastewater process stream23 Dec 2025US 12,504,375 B2Ecolab USA Inc.
- Diagnosis device for environmental stress in plants and environmental stress diagnosis method2 Sep 2025US 12,405,258 B2Bunkoukeiki Co., Ltd.
- Hydrocarbon condensate detection and control2 Sep 2025US 12,405,262 B2
- System and method for detecting contamination of thin-films3 Jun 2025US 12,320,755 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Hydrocarbon condensate detection and control20 May 2025US 12,306,168 B2
- Fluid analysis system, water-conducting household appliance and method for determining a concentration3 Sep 2026US 2026/0259139 A1ams Sensors Germany GmbH
- Analysis device for analyzing working liquids13 Aug 2026US 2026/0235511 A1LIFE ELETTRONICA S.r.l.
- System and method with neutral density filter stack to extend dynamic range of fluorescence measurements11 Dec 2025US 2025/0377300 A1Advanced Instruments, Inc.
- System and method for detecting contamination of thin-films11 Sep 2025US 2025/0283831 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Method and system for determining at least one of the character, composition and reactivity of dissolved organic matter in water15 May 2025US 2025/0155375 A1Valys AB
Most cited
By later US patents
- Image analyzing apparatus123US 4,773,097 AOmron Tateisi Electronics Co. · 1988
- Fluorescence detection apparatus110US 5,589,351 ANPS Pharmaceuticals, Inc. · 1996
- Liquid/liquid fiber-optic fluorescence detector and absorbance analyzer82US 4,867,559 AAmoco Corporation · 1989
- Method and a system for determination of particles in a liquid sample82US 6,919,960 B2ChemoMetec A/S · 2005
- Detector for fluorescence and absorption spectroscopy75US 4,927,265 A501 Microphoretic Systems, Inc. · 1990