C02F 3/327
Characterised by animals and plants
Official title: {characterised by animals and plants}
C02F3/327 (Characterised by animals and plants) appears on 426 US grants and 458 published applications in this corpus.
Search patents in C02F- Granted patents
- 426
- Published applications
- 458
- Assignees
- 316
- Inventors
- 1,133
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 8 |
| 2003 | 8 | 13 |
| 2004 | 8 | 8 |
| 2005 | 9 | 16 |
| 2006 | 13 | 12 |
| 2007 | 8 | 6 |
| 2008 | 11 | 14 |
| 2009 | 15 | 22 |
| 2010 | 13 | 10 |
| 2011 | 9 | 23 |
| 2012 | 16 | 23 |
| 2013 | 6 | 24 |
| 2014 | 17 | 21 |
| 2015 | 12 | 13 |
| 2016 | 9 | 19 |
| 2017 | 11 | 17 |
| 2018 | 15 | 17 |
| 2019 | 14 | 26 |
| 2020 | 14 | 24 |
| 2021 | 24 | 39 |
| 2022 | 23 | 23 |
| 2023 | 10 | 21 |
| 2024 | 17 | 24 |
| 2025 | 18 | 16 |
| 2026 | 14 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Systems and methods for stormwater management6 Oct 2026US 12,753,093 B2Advanced Drainage Systems, Inc.
- Biochar for stable solidification of heavy metals8 Sep 2026US 12,729,162 B2Chinese Research Academy of Environmental Sciences
- Porous biochar for improving severe pollution and preparation method therefor4 Aug 2026US 12,698,225 B2Chinese Research Academy of Environmental Sciences
- MABR-based method for treating rare earth mine tailwater12 May 2026US 12,623,940 B2Guangdong University of Technology
- Vegetation-based remediation systems, remediation straw and cartridge apparatuses for groundwater treatment, and methods for installation of vegetation-based remediation systems17 Sep 2026US 2026/0274724 A1Applied Natural Sciences, Inc.
- Vermifilter systems and methods for wastewater filtration20 Aug 2026US 2026/0242262 A1TBF-Solutions Inc.
- Onsite sustainable sanitation devices for water and nutrient recycling and methods of use thereof20 Aug 2026US 2026/0242264 A1
- Stormwater management system for urban storage and recovery13 Aug 2026US 2026/0234042 A1
- Systems and Methods for Stormwater Treatment6 Aug 2026US 2026/0225917 A1Geostorage Corporation
Most cited
By later US patents
- Method for removing soluble metals from an aqueous phase196US 5,876,484 APhytotech Limited · 1999
- Method and apparatus for treating stormwater runoff122US 6,277,274 B12001
- Buoyant contact surfaces in waste treatment pond109US 4,169,050 ASolar Aquasystems, Inc. · 1979
- Constructed wetlands system, treatment apparatus and method78US 6,740,232 B1Aquascape Designs, Inc. · 2004
- Method for treating wastewater using microorganisms and vascular aquatic plants71US 4,415,450 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1983