B01D 19/02
Foam dispersion or prevention
Official title: Foam dispersion or prevention (during boiling B01B1/02; during fermentation C12)
B01D19/02 (Foam dispersion or prevention) appears on 878 US grants and 548 published applications in this corpus.
Search patents in B01D- Granted patents
- 878
- Published applications
- 548
- Assignees
- 477
- Inventors
- 1,954
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 19 | 0 |
| 1978 | 32 | 0 |
| 1979 | 12 | 0 |
| 1980 | 8 | 0 |
| 1981 | 15 | 0 |
| 1982 | 18 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 17 | 0 |
| 1986 | 16 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 15 | 0 |
| 1990 | 19 | 0 |
| 1991 | 22 | 0 |
| 1992 | 22 | 0 |
| 1993 | 12 | 0 |
| 1994 | 16 | 0 |
| 1995 | 24 | 0 |
| 1996 | 23 | 0 |
| 1997 | 30 | 0 |
| 1998 | 33 | 0 |
| 1999 | 24 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 4 |
| 2002 | 18 | 16 |
| 2003 | 21 | 17 |
| 2004 | 10 | 21 |
| 2005 | 9 | 21 |
| 2006 | 10 | 24 |
| 2007 | 11 | 18 |
| 2008 | 8 | 10 |
| 2009 | 8 | 15 |
| 2010 | 9 | 14 |
| 2011 | 14 | 20 |
| 2012 | 11 | 17 |
| 2013 | 14 | 18 |
| 2014 | 15 | 30 |
| 2015 | 17 | 32 |
| 2016 | 20 | 23 |
| 2017 | 18 | 27 |
| 2018 | 22 | 18 |
| 2019 | 13 | 33 |
| 2020 | 28 | 31 |
| 2021 | 20 | 32 |
| 2022 | 27 | 25 |
| 2023 | 19 | 29 |
| 2024 | 24 | 26 |
| 2025 | 22 | 17 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid processing fixture and device6 Oct 2026US 12,752,221 B2Triple Win Technology(Shenzhen) Co. Ltd.
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Compositions and methods for breaking foams and emulsions11 Aug 2026US 12,703,822 B2Chevron U.S.A.Inc.
- Foam control composition30 Jun 2026US 12,668,758 B2Wacker Chemie AG
- Slurry storing and mixing device2 Jun 2026US 12,643,059 B2Proterial, Ltd.
- Defoamer compositions, aqueous paint compositions and articles27 Aug 2026US 2026/0250518 A1Kusumoto Chemicals, Ltd.
- Foam breaker device and methods of use27 Aug 2026US 2026/0250618 A1Life Technologies Corporation
- Emulsifiers formed from polyol esters of fatty acids6 Aug 2026US 2026/0225991 A1
- System for breaking a liquid foam and method of operating thereof23 Jul 2026US 2026/0208073 A1Yara International Asa
- Methods for foam mitigation using anti-foam and de-foaming compositions16 Jul 2026US 2026/0199810 A1Ecolab USA Inc.
Most cited
By later US patents
- Process for the silylation of inorganic oxides99US 5,686,054 AWacker Chemie AG · 1997
- Process for the silylation of inorganic oxides78US 5,851,715 AWacker Chemie AG · 1998
- Rotary vacuum distillation and desalination apparatus76US 5,534,118 A1996
- Antifoam/defoamer composition71US 4,950,420 ANalco Chemical Company · 1990
- Defoaming composition68US 5,275,822 AValentine Enterprises, Inc. · 1994