C02F 3/107
Inorganic materials
Official title: {Inorganic materials, e.g. sand, silicates}
C02F3/107 (Inorganic materials) appears on 74 US grants and 112 published applications in this corpus.
Search patents in C02F- Granted patents
- 74
- Published applications
- 112
- Assignees
- 82
- Inventors
- 314
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 4 |
| 2012 | 2 | 2 |
| 2013 | 3 | 6 |
| 2014 | 8 | 6 |
| 2015 | 2 | 6 |
| 2016 | 2 | 1 |
| 2017 | 4 | 8 |
| 2018 | 6 | 7 |
| 2019 | 4 | 10 |
| 2020 | 9 | 9 |
| 2021 | 6 | 12 |
| 2022 | 7 | 11 |
| 2023 | 4 | 8 |
| 2024 | 6 | 9 |
| 2025 | 5 | 8 |
| 2026 | 4 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- 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.
- Straight-line sewage treatment system for enhanced treatment of low C/N domestic sewage31 Mar 2026US 12,590,019 B2Tongji University
- Filter24 Mar 2026US 12,583,776 B2Hydrolize Limited
- Dried microbial sludge granule as additive for wastewater treatment18 Nov 2025US 12,473,218 B2Probiosphere Inc.
- Ceramics and methods of their manufacture30 Jul 2026US 2026/0217613 A1ImerTech SAS
- Water purification system25 Jun 2026US 2026/0176159 A1Kyoraku Co., Ltd.
- Bioretention pond integrating collection-filtration-purification functions and application thereof12 Mar 2026US 2026/0070827 A1Jiangsu University
- Wastewater treatment using composite biofilm carriers19 Jun 2025US 2025/0197261 A1
- Solid bacterial growth support for wastewater treatment, methods and uses thereof12 Jun 2025US 2025/0187958 A1Technologies Ecofixe Inc.
Most cited
By later US patents
- Carbon-based biofilm carrier22US 8,241,717 B1SepticNet Inc. · 2012
- Process for the treatment of waste water containing heavy metals14US 6,630,071 B1Paques Bio Systems B.V. · 2003
- Biofilm remediation of fracture fluid9US 8,425,775 B2Allegheny-Singer Research Institute · 2013
- System for advanced wash water recycling9US 8,877,046 B2Rgf Environmental Group, Inc. · 2014
- Floating bioreactor system5US 8,066,873 B22011