C02F 2303/12
Prevention of foaming
C02F2303/12 (Prevention of foaming) appears on 124 US grants and 173 published applications in this corpus.
Search patents in C02F- Granted patents
- 124
- Published applications
- 173
- Assignees
- 126
- Inventors
- 383
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 9 |
| 2006 | 5 | 8 |
| 2007 | 7 | 8 |
| 2008 | 7 | 14 |
| 2009 | 6 | 9 |
| 2010 | 4 | 15 |
| 2011 | 5 | 8 |
| 2012 | 9 | 10 |
| 2013 | 5 | 4 |
| 2014 | 6 | 7 |
| 2015 | 2 | 8 |
| 2016 | 5 | 4 |
| 2017 | 7 | 5 |
| 2018 | 1 | 4 |
| 2019 | 4 | 13 |
| 2020 | 4 | 6 |
| 2021 | 9 | 5 |
| 2022 | 5 | 5 |
| 2023 | 3 | 7 |
| 2024 | 4 | 8 |
| 2025 | 5 | 7 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for anaerobic digestion of carbonaceous material6 Jan 2026US 12,515,975 B2Suez International
- Homogenous emulsion from a grain material fermentation23 Dec 2025US 12,502,625 B1POET Research, Inc.
- Microbial assisted phosphorous recovery under anaerobic condition8 Jul 2025US 12,351,496 B2The Governors of the University of Alberta
- Compact containerized system and method for spray evaporation of water24 Jun 2025US 12,337,259 B2Energy Water Solutions, LLC
- Digestion of organic sludge24 Jun 2025US 12,338,147 B2HaskoningDHV Nederland B.V.
- Biodegradable lavatory composition with low freeze point11 Jun 2026US 2026/0159424 A115590710 Canada Inc.
- Systems and methods for processing engine wash effluent4 Dec 2025US 2025/0368558 A1General Electric Company
- Membrane-based separation of micelle-associated pfas molecules13 Nov 2025US 2025/0345756 A1Gradiant Corporation
- Methods and Devices for Collection of Liquid Foams14 Aug 2025US 2025/0256997 A1
- Systems and methods for destroying per- and polyfluoroalkyl substances (pfas) using an electrochemical (ec) reactor19 Jun 2025US 2025/0197256 A1Aecom
Most cited
By later US patents
- Method and apparatus for processing manure80US 5,290,451 AEcotechniek B. V. · 1994
- Zero waste effluent desalination system66US 5,520,816 A1996
- Zero waste effluent water desalination system64US 6,103,125 A2000
- System for electrocatalytic treatment of waste water streams55US 4,179,347 AOmnipure, Inc. · 1979
- Method and system of generating heat by biological decomposition of organic refuse53US 4,493,770 AUTB Umwelttechnik Buchs AG · 1985