C02F 3/085
Fluidized beds
Official title: {Fluidized beds}
C02F3/085 (Fluidized beds) appears on 349 US grants and 272 published applications in this corpus.
Search patents in C02F- Granted patents
- 349
- Published applications
- 272
- Assignees
- 239
- Inventors
- 831
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 6 |
| 2003 | 7 | 5 |
| 2004 | 3 | 8 |
| 2005 | 4 | 7 |
| 2006 | 4 | 3 |
| 2007 | 4 | 6 |
| 2008 | 2 | 5 |
| 2009 | 3 | 10 |
| 2010 | 9 | 10 |
| 2011 | 7 | 14 |
| 2012 | 7 | 9 |
| 2013 | 12 | 13 |
| 2014 | 4 | 15 |
| 2015 | 7 | 17 |
| 2016 | 6 | 21 |
| 2017 | 10 | 9 |
| 2018 | 8 | 14 |
| 2019 | 9 | 11 |
| 2020 | 11 | 14 |
| 2021 | 6 | 23 |
| 2022 | 11 | 13 |
| 2023 | 11 | 15 |
| 2024 | 12 | 15 |
| 2025 | 5 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aerated biological filtration process for water treatment with a view to reducing the nitrogen content (NGL) of said water with reduction of carbon-source and aeration requirements22 Sep 2026US 12,741,895 B2Veolia Water Solutions & Technologies Support
- Efficient nitrogen and phosphorus removal process system for mariculture tail water treatment15 Sep 2026US 12,735,339 B2Tianjin Research Institute for Water Transport Engineering, M.O.T.
- Vacuum air lift systems including a fluidic oscillator28 Jul 2026US 12,692,177 B2Searen, LLC
- Wastewater treatment system including a moving bed assembly17 Mar 2026US 12,577,136 B2K&L Equipment, LLC
- Moving bed biofilm reactor30 Dec 2025US 12,509,376 B2Industrial Technology Research Institute
- Ceramics and methods of their manufacture30 Jul 2026US 2026/0217613 A1ImerTech SAS
- Wastewater treatment method and apparatus2 Jul 2026US 2026/0184614 A1
- Water purification system25 Jun 2026US 2026/0176159 A1Kyoraku Co., Ltd.
- Wastewater treatment method and wastewater treatment apparatus13 Nov 2025US 2025/0346513 A1Organo Corporation
- Wastewater filtering method and apparatus comprising filter media of different sizes30 Oct 2025US 2025/0333341 A1Bkt Co., Ltd.
Most cited
By later US patents
- Ferromagnetic separation process and material265US 3,985,649 A1976
- Two-stage anaerobic/aerobic treatment process117US 4,919,815 AZimpro/Passavant Inc. · 1990
- Method for purification of water92US 5,458,779 AKaldnes Miljoteknologi A/S · 1995
- Apparatus and process for removing ammonia nitrogen from waste water86US 4,009,099 AEcolotrol, Inc. · 1977
- Waste water treatment apparatus84US 6,007,712 AKuraray Co., Ltd. · 1999