C02F 1/34
Treatment of water, waste water, or sewage: with mechanical oscillations
Official title: with mechanical oscillations
C02F1/34 (Treatment of water, waste water, or sewage: with mechanical oscillations) appears on 848 US grants and 1,072 published applications in this corpus.
Search patents in C02F- Granted patents
- 848
- Published applications
- 1,072
- Assignees
- 654
- Inventors
- 1,933
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 5 |
| 2002 | 11 | 20 |
| 2003 | 20 | 23 |
| 2004 | 19 | 37 |
| 2005 | 13 | 27 |
| 2006 | 15 | 39 |
| 2007 | 18 | 28 |
| 2008 | 21 | 44 |
| 2009 | 18 | 45 |
| 2010 | 36 | 57 |
| 2011 | 28 | 47 |
| 2012 | 25 | 40 |
| 2013 | 30 | 48 |
| 2014 | 37 | 55 |
| 2015 | 36 | 37 |
| 2016 | 34 | 34 |
| 2017 | 24 | 45 |
| 2018 | 27 | 41 |
| 2019 | 46 | 49 |
| 2020 | 32 | 49 |
| 2021 | 39 | 59 |
| 2022 | 32 | 52 |
| 2023 | 26 | 49 |
| 2024 | 38 | 44 |
| 2025 | 33 | 68 |
| 2026 | 31 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for preventing and removing chemical deposits in a fluid heating device6 Oct 2026US 12,753,950 B2Rheem Manufacturing Company
- Method and apparatus for removing contaminants from a fluid stream25 Aug 2026US 12,715,004 B2Mage LLC
- Hydrodynamic cavitation system for the removal of unwanted, toxic, or contaminated organic and inorganic compounds25 Aug 2026US 12,715,788 B28215 Technology, Inc.
- Fluidic device and method for controlling fluidic device18 Aug 2026US 12,708,866 B2Seiko Epson Corporation
- Liquid treatment unit and method14 Jul 2026US 12,678,805 B2Au Environmental Pty Ltd
- Compositions comprising water and ultrafine bubbles and methods of using thereof in industrial and manufacturing processes1 Oct 2026US 2026/0295045 A1Hydrosome IP, LLC
- Acoustic resonance and toroidal vortex system for water sanitation, fluid purification, and atmospheric moisture harvesting1 Oct 2026US 2026/0296929 A1
- Compositions and Methods for Dewatering1 Oct 2026US 2026/0296930 A1Locus Solutions Ipco, LLC
- Method for degradation of pfas based on sonocatalysis1 Oct 2026US 2026/0296932 A1Schlumberger Technology Corporation
- Advanced oxidation system in treatment of contaminants in water and method for treatment of contaminants in water27 Aug 2026US 2026/0250167 A1Beijing Normal University At Zhuhai
Most cited
By later US patents
- Simplified ozonator for a semiconductor wafer cleaner350US 6,399,022 B1Fairchild Semiconductor Corporation · 2002
- Portable, potable water recovery and dispensing apparatus198US 6,182,453 B2Worldwide Water, Inc. · 2001
- Process for the separation of substances from a liquid and device for effecting such a process186US 5,164,094 A1992
- Water treatment system for swimming pools and potable water151US 4,752,401 ASafe Water Systems International, Inc. · 1988
- Acoustically driven particle separation method and apparatus149US 5,085,783 ACase Western Reserve University · 1992