C02F 3/205
Moving
Official title: {Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors}
C02F3/205 (Moving) appears on 258 US grants and 84 published applications in this corpus.
Search patents in C02F- Granted patents
- 258
- Published applications
- 84
- Assignees
- 117
- Inventors
- 367
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 2 |
| 2003 | 3 | 4 |
| 2004 | 4 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 8 |
| 2009 | 1 | 5 |
| 2010 | 6 | 10 |
| 2011 | 6 | 3 |
| 2012 | 7 | 5 |
| 2013 | 5 | 4 |
| 2014 | 0 | 3 |
| 2015 | 2 | 6 |
| 2016 | 2 | 4 |
| 2017 | 6 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 4 | 0 |
| 2021 | 1 | 6 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wastewater purification apparatus and process for purifying wastewater28 Apr 2026US 12,612,320 B2Invent Umwelt-Und Verfahrenstechnik AG
- Method for optimizing the energy consumption of an aerator in the field of water treatment23 Dec 2025US 12,503,381 B2L'Air Liquide Societe Anonyme Pour L'Etude Et L' Exploitation Des Procedes George Claude
- Aeration equipment for wastewater treatment19 Mar 2024US 11,931,703 B1
- Water treatment system with retrievable mounting frame assembly for diffusors7 Nov 2023US 11,806,680 B2Artemis Rubber Technology Inc.
- Separable outer enclosure for turbo blower25 Apr 2023US 11,634,347 B2
- Systems and methods for water treatment16 Jul 2026US 2026/0200775 A1National University Corporation Kanazawa University
- Use of copper-cysteamine for wastewater treatment25 Jun 2026US 2026/0176179 A1Board of Regents, The University of Texas System
- Method for treating high-concentration fermentation by-products generated in amino acid fermentation process17 Jul 2025US 2025/0230082 A1Cj Cheiljedang Corporation
- Water treatment system with retrievable mounting frame assembly for diffusors7 Mar 2024US 2024/0075434 A1
- Aeration equipment for wastewater treatment29 Feb 2024US 2024/0066475 A1
Most cited
By later US patents
- Apparatus for mixing a liquid phase and a gaseous phase92US 4,051,204 A1977
- Wastewater treatment plant64US 4,608,157 ANorwalk Wastewater Equipment Company · 1986
- Combined biological-chemical detoxification of organics60US 4,277,342 ACornell Research Foundation, Inc. · 1981
- Apparatus and method for aerating liquids51US 3,969,446 A1976
- Stirrer, having substantially triangular, radial blades, rising toward the circumference49US 4,444,510 ANederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek · 1984