C02F 2103/007
Contaminated open waterways, rivers, lakes or ponds
Official title: {Contaminated open waterways, rivers, lakes or ponds}
C02F2103/007 (Contaminated open waterways, rivers, lakes or ponds) appears on 917 US grants and 1,443 published applications in this corpus.
Search patents in C02F- Granted patents
- 917
- Published applications
- 1,443
- Assignees
- 767
- Inventors
- 2,741
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 12 |
| 2004 | 9 | 19 |
| 2005 | 6 | 23 |
| 2006 | 14 | 20 |
| 2007 | 20 | 24 |
| 2008 | 14 | 27 |
| 2009 | 19 | 25 |
| 2010 | 17 | 26 |
| 2011 | 13 | 52 |
| 2012 | 25 | 60 |
| 2013 | 23 | 43 |
| 2014 | 50 | 68 |
| 2015 | 34 | 79 |
| 2016 | 35 | 83 |
| 2017 | 56 | 56 |
| 2018 | 50 | 78 |
| 2019 | 56 | 91 |
| 2020 | 72 | 106 |
| 2021 | 74 | 103 |
| 2022 | 71 | 105 |
| 2023 | 66 | 103 |
| 2024 | 75 | 87 |
| 2025 | 66 | 89 |
| 2026 | 32 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Method and apparatus for removing contaminants from a fluid stream25 Aug 2026US 12,715,004 B2Mage LLC
- Autonomous water vehicle for collecting waste and algae from water bodies and method of operation25 Aug 2026US 12,715,789 B2
- Systems and methods of targeted entity degredation21 Jul 2026US 12,685,797 B1
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Water treatment apparatus and water treatment method8 Oct 2026US 2026/0308036 A1Meidensha Corporation
- Multifunctional-group modified green scale inhibitor for efficient inhibiting calcium sulfate formation and preparation method and application thereof24 Sep 2026US 2026/0285724 A1Nanjing University
- Modular Water Disinfection System with Integrated UV-C, Ozone, and IoT Monitoring.24 Sep 2026US 2026/0285730 A1
- Systems and methods of gas remediation and sediment harvesting17 Sep 2026US 2026/0274725 A1Floating Island International Inc.
Most cited
By later US patents
- System and method for dissolving gases in liquids46US 7,255,332 B2Board of Trustees of the University of Arkansas · 2007
- Process for preparing lipid coated particles of plant material45US 9,592,488 B2Saudi Arabian Oil Company · 2017
- Process to maintain large clean recreational water bodies43US 7,820,055 B2Crystal Lagoons Corporation LLC · 2010
- Sustainable method and system for treating water bodies affected by bacteria and microalgae at low cost39US 8,465,651 B2Crystal Lagoons (Curacao) B.V. · 2013
- Localized disinfection system for large water bodies37US 8,753,520 B1Crystal Lagoons (Curacao) B.V. · 2014