B01F 25/31421
The conduit being porous
Official title: {the conduit being porous}
B01F25/31421 (The conduit being porous) appears on 102 US grants and 111 published applications in this corpus.
Search patents in B01F- Granted patents
- 102
- Published applications
- 111
- Assignees
- 96
- Inventors
- 319
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 6 |
| 2005 | 2 | 3 |
| 2006 | 2 | 6 |
| 2007 | 1 | 2 |
| 2008 | 3 | 7 |
| 2009 | 4 | 8 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 5 | 3 |
| 2013 | 3 | 3 |
| 2014 | 2 | 5 |
| 2015 | 4 | 7 |
| 2016 | 2 | 3 |
| 2017 | 2 | 5 |
| 2018 | 4 | 5 |
| 2019 | 0 | 5 |
| 2020 | 5 | 6 |
| 2021 | 4 | 4 |
| 2022 | 3 | 7 |
| 2023 | 6 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nano-bubble generating apparatus and method25 Nov 2025US 12,478,927 B2Moleaer, Inc.
- Fluid mixing unit with meandering flow through partitions of a porous body25 Mar 2025US 12,257,560 B2Jgc Japan Corporation
- Shear flow nanobubble generator18 Mar 2025US 12,251,669 B2En Solución, Inc.
- Cross-flow assembly and method for membrane emulsification controlled droplet production18 Jun 2024US 12,011,695 B2Micropore Technologies Limited
- Oxygen infusion module for wastewater treatment11 Jun 2024US 12,006,239 B2Prosper Technologies, LLC
- Generation of nano and pico bubbles with variable gas/liquid ratios for effective interface transport and particle separation6 Aug 2026US 2026/0225047 A1Prd Tech, Inc.
- Liquid droplet or air bubble generation device, and liquid droplet or air bubble generation method2 Jul 2026US 2026/0183726 A1FUJIFILM Corporation
- Gas Infusion Apparatus and Method of Making28 May 2026US 2026/0145143 A1
- Stable Carbonic Acid and Method of Making28 May 2026US 2026/0145144 A1
- Monitoring Device for Stable Carbonic Acid Solutions28 May 2026US 2026/0146945 A1
Most cited
By later US patents
- Contacting systems and methods and uses thereof102US 7,459,081 B2Phyre Technologies, Inc. · 2008
- Modular shipboard membrane bioreactor system for combined wastewater streams98US 5,254,253 AZenon Environmental Inc. · 1993
- Liquid membrane generator90US 4,201,691 AExxon Research & Engineering Co. · 1980
- 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
- Monodisperse single and double emulsions and method of producing same77US 5,326,484 AMiyazaki-Ken · 1994