C02F 11/15
By treatment with electric, magnetic or electromagnetic fields
Official title: by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves (for the purpose of heating C02F11/131)
C02F11/15 (By treatment with electric, magnetic or electromagnetic fields) appears on 98 US grants and 101 published applications in this corpus.
Search patents in C02F- Granted patents
- 98
- Published applications
- 101
- Assignees
- 88
- Inventors
- 306
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 6 |
| 2013 | 1 | 6 |
| 2014 | 1 | 3 |
| 2015 | 3 | 7 |
| 2016 | 5 | 6 |
| 2017 | 5 | 7 |
| 2018 | 3 | 3 |
| 2019 | 5 | 7 |
| 2020 | 5 | 2 |
| 2021 | 4 | 8 |
| 2022 | 5 | 9 |
| 2023 | 5 | 4 |
| 2024 | 8 | 6 |
| 2025 | 5 | 7 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream8 Sep 2026US 12,729,146 B2Moleaer, Inc.
- Processes for treatment of residuals28 Jul 2026US 12,692,182 B2Université Concordia
- Systems and methods for biological transformation, concentration, and recovery of selenium from wastewater14 Apr 2026US 12,600,654 B2Arizona Board of Regents on behalf of Arizona State University
- Filtration device and filtration system13 Jan 2026US 12,521,656 B2Mitsubishi Kakoki Kaisha, Ltd.
- Biosolids quality and dewaterability9 Sep 2025US 12,410,086 B2Premier Magnesia, LLC
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream28 May 2026US 2026/0145977 A1Moleaer, Inc.
- Filtration device and filtration system23 Apr 2026US 2026/0108831 A1Mitsubishi Kakoki Kaisha, Ltd.
- Sludge-derived plant biostimulant, and directional preparation method and application thereof6 Nov 2025US 2025/0340495 A1Tongji University
- Electrochemical foam fractionation and oxidation to concentrate and mineralize perfluoroalkyl substances25 Sep 2025US 2025/0296860 A1Evoqua Water Technologies LLC
- Wastewater and sludge treatment device and method21 Aug 2025US 2025/0263323 A1Ariel Scientific Innovations Ltd.
Most cited
By later US patents
- Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage64US 5,893,979 A1999
- Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field57US 4,561,953 ABattelle Memorial Institute · 1985
- Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field48US 4,747,920 ABattelle Memorial Institute · 1988
- System for treating sludge37US 3,962,069 AInoue-Japan Research Inc. · 1976
- Continuous dewatering method37US 4,755,305 AChampion International Corporation · 1988