B01F 25/3111
Devices specially adapted for generating foam
Official title: {Devices specially adapted for generating foam, e.g. air foam}
B01F25/3111 (Devices specially adapted for generating foam) appears on 63 US grants and 63 published applications in this corpus.
Search patents in B01F- Granted patents
- 63
- Published applications
- 63
- Assignees
- 61
- Inventors
- 179
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 6 |
| 2018 | 0 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 5 |
| 2021 | 2 | 4 |
| 2022 | 2 | 4 |
| 2023 | 5 | 2 |
| 2024 | 4 | 4 |
| 2025 | 3 | 8 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of forming asphalt pavement using foamed asphalt compositions11 Nov 2025US 12,466,769 B2Honeywell International Inc.
- Compressed air foam mixing system28 Oct 2025US 12,453,943 B2Zeco, Inc.
- In situ foam generation within a turbine engine21 Jan 2025US 12,203,380 B2General Electric Company
- Foam producing method, fire extinguishing method, and appliance for foam extinguishing14 May 2024US 11,980,785 B2China Petroleum & Chemical Corporation
- Fluid handling apparatus and fluid tank system14 May 2024US 11,980,856 B2Alfa Laval Corporate AB
- Decomposition chamber for aftertreatment system1 Oct 2026US 2026/0298121 A1Cummins Emission Solutions Inc.
- Method for washing gas turbine engines18 Jun 2026US 2026/0168399 A1General Electric Company
- Wash system for gas turbine engines18 Jun 2026US 2026/0168400 A1General Electric Company
- In Situ Foam Generation Within a Turbine Engine11 Jun 2026US 2026/0160182 A1General Electric Company
- Compressed air foam mixing system19 Feb 2026US 2026/0048365 A1Zeco, Inc.
Most cited
By later US patents
- Dosage form for micro-bubble echo contrast agents95US 5,425,580 AByk Gulden Lomberg Chemische Fabrik GmbH · 1995
- Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles82US 4,981,582 AVirginia Tech Intellectual Properties, Inc. · 1991
- Apparatus for compressed air foam discharge60US 4,981,178 A1991
- Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles57US 5,167,798 AVirginia Tech Intellectual Properties, Inc. · 1992
- Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles51US 5,397,001 AVirginia Polytechnic Institute & State U. · 1995