C02F 3/106
Carbonaceous materials
Official title: {Carbonaceous materials}
C02F3/106 (Carbonaceous materials) appears on 75 US grants and 135 published applications in this corpus.
Search patents in C02F- Granted patents
- 75
- Published applications
- 135
- Assignees
- 87
- Inventors
- 336
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 6 |
| 2012 | 3 | 4 |
| 2013 | 3 | 10 |
| 2014 | 4 | 4 |
| 2015 | 3 | 8 |
| 2016 | 1 | 6 |
| 2017 | 3 | 8 |
| 2018 | 5 | 4 |
| 2019 | 7 | 9 |
| 2020 | 6 | 13 |
| 2021 | 7 | 14 |
| 2022 | 11 | 9 |
| 2023 | 3 | 8 |
| 2024 | 8 | 13 |
| 2025 | 4 | 8 |
| 2026 | 4 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Porous biochar for improving severe pollution and preparation method therefor4 Aug 2026US 12,698,225 B2Chinese Research Academy of Environmental Sciences
- 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.
- Constructed wetland structure and methods for preparing and using carbon source6 Jan 2026US 12,515,971 B2Harbin Normal University
- Refractory organic pollutants with photo- excited holes as electron acceptors16 Dec 2025US 12,497,312 B2Nanjing University of Science and Technology
- Systems for catalytically removing per- and polyfluoroalkyl substances from a fluid and related methods1 Oct 2026US 2026/0296939 A1Arizona Board of Regents on behalf of Arizona State University
- Filtering System for a Storm Water Catch Basin17 Sep 2026US 2026/0274709 A1Trash Guard Incorporated
- Biofilms encapsulated with sol-gel30 Jul 2026US 2026/0218115 A1University of Iowa Research Foundation
- System and method for addition and dissolution of minerals to provide a reduction in carbon dioxide emissions and other benefits2 Jul 2026US 2026/0184613 A1D.C. Water & Sewer Authority
- Apparatus for absorption of contaminants19 Mar 2026US 2026/0078036 A1Carbon Smart LLC
Most cited
By later US patents
- Process for treatment of aqueous environments containing a water soluble polymer74US 6,623,643 B2Microtek Medical Holdings, Inc. · 2003
- Carbon-based biofilm carrier22US 8,241,717 B1SepticNet Inc. · 2012
- Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones16US 8,551,341 B2Saudi Arabian Oil Company · 2013
- Suspended media granular activated carbon membrane biological reactor system and process10US 7,972,512 B2Saudi Arabian Oil Company · 2011
- System for producing ultrapure water having a TOC density of no more than 0.5 ppb8US 6,177,005 B1Sharp Kabushiki Kaisha · 2001