C02F 3/104
Granular carriers
Official title: {Granular carriers}
C02F3/104 (Granular carriers) appears on 103 US grants and 153 published applications in this corpus.
Search patents in C02F- Granted patents
- 103
- Published applications
- 153
- Assignees
- 101
- Inventors
- 350
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 5 |
| 2011 | 0 | 3 |
| 2012 | 4 | 4 |
| 2013 | 1 | 9 |
| 2014 | 4 | 12 |
| 2015 | 6 | 6 |
| 2016 | 7 | 10 |
| 2017 | 9 | 7 |
| 2018 | 5 | 7 |
| 2019 | 10 | 9 |
| 2020 | 8 | 15 |
| 2021 | 8 | 13 |
| 2022 | 9 | 7 |
| 2023 | 4 | 12 |
| 2024 | 10 | 14 |
| 2025 | 5 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- System and method for continuous metabolism of 1,4-dioxane9 Jun 2026US 12,649,676 B2The Florida State University Research Foundation, Inc.
- Biofilter with shaped underdrain assembly12 May 2026US 12,623,939 B2Johnson Screens, Inc.
- Filter24 Mar 2026US 12,583,776 B2Hydrolize Limited
- Filtering System for a Storm Water Catch Basin17 Sep 2026US 2026/0274709 A1Trash Guard Incorporated
- Ceramics and methods of their manufacture30 Jul 2026US 2026/0217613 A1ImerTech SAS
- Apparatus for absorption of contaminants19 Mar 2026US 2026/0078036 A1Carbon Smart LLC
- Wastewater filtering method and apparatus comprising filter media of different sizes30 Oct 2025US 2025/0333341 A1Bkt Co., Ltd.
- Wastewater filtering method and apparatus comprising filter media of different sizes30 Oct 2025US 2025/0333342 A1Bkt Co., Ltd.
Most cited
By later US patents
- High aspect ratio wastewater system36US 7,374,670 B22008
- Methods and apparatus for monitoring a filter bed by differential pressure30US 5,980,755 ARG Delaware, Inc. · 1999
- Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments25US 6,787,034 B2Remediation Products, Inc. · 2004
- Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal19US 7,261,811 B2The University of Western Ontario · 2007
- Methods and apparatus for monitoring a filter bed by differential pressure15US 6,159,384 ARG Delaware, Inc. · 2000