G01N 33/1826
Organic contamination in water
Official title: {Organic contamination in water}
G01N33/1826 (Organic contamination in water) appears on 833 US grants and 783 published applications in this corpus.
Search patents in G01N- Granted patents
- 833
- Published applications
- 783
- Assignees
- 565
- Inventors
- 2,211
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 9 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 20 | 0 |
| 1996 | 20 | 0 |
| 1997 | 9 | 0 |
| 1998 | 21 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 4 |
| 2002 | 19 | 8 |
| 2003 | 8 | 11 |
| 2004 | 12 | 9 |
| 2005 | 4 | 8 |
| 2006 | 4 | 9 |
| 2007 | 4 | 8 |
| 2008 | 4 | 14 |
| 2009 | 3 | 16 |
| 2010 | 9 | 15 |
| 2011 | 9 | 20 |
| 2012 | 16 | 32 |
| 2013 | 19 | 34 |
| 2014 | 21 | 30 |
| 2015 | 30 | 45 |
| 2016 | 27 | 46 |
| 2017 | 33 | 42 |
| 2018 | 33 | 47 |
| 2019 | 38 | 48 |
| 2020 | 42 | 60 |
| 2021 | 41 | 47 |
| 2022 | 40 | 57 |
| 2023 | 50 | 49 |
| 2024 | 40 | 49 |
| 2025 | 36 | 41 |
| 2026 | 25 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated autonomous oil-slick sampler and storage preservation device29 Sep 2026US 12,748,019 B2ExxonMobil Technology and Engineering Company
- Equipment for measuring the content of organic substances in water emulsions and solutions25 Aug 2026US 12,716,830 B2PBT Works s.r.o.
- Passive diffusion bag samplers with improved performance18 Aug 2026US 12,710,340 B2Aeris Scientific, LLC
- Systems for nanoplastics detection and method of using the same18 Aug 2026US 12,710,367 B2
- Biosensor for water toxicity monitoring11 Aug 2026US 12,704,493 B2National Research Council of Canada
- Electrochemical method and sensor for pfas detection8 Oct 2026US 2026/0309668 A1B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Method, system and kit for detecting perfluoroalkyl and polyfluoroalkyl (pfas) compounds24 Sep 2026US 2026/0287570 A1The United States of America as represented by the Secretary of the Navy
- Methods and systems for predicting absorbance of a water sample using a machine learning model17 Sep 2026US 2026/0276531 A1
- Method and system for real-time detection and quantification of per- and polyfluoroalkyl substances27 Aug 2026US 2026/0251614 A1Texas Tech University System
- Long term passive volatile organic compound sampler system13 Aug 2026US 2026/0235572 A1The Government of the United States of America, as represented by the Secretary of the Navy
Most cited
By later US patents
- Fluorescence quenching with immunological pairs in immunoassays1,144US 3,996,345 ASyva Company · 1976
- Microfluidic system for measurement of total organic carbon124US 6,444,474 B1Eltron Research, Inc. · 2002
- Sobriety monitoring system107US 8,707,758 B2Soberlink, Inc. · 2014
- Method of chemical tagging75US 5,849,590 A1998
- Capacitive chemical sensor for detecting certain analytes, including hydrocarbons in a liquid medium70US 4,728,882 AThe Johns Hopkins University · 1988