B01F 23/2375
For obtaining bubbles with a size below 1 µm
Official title: for obtaining bubbles with a size below 1 µm
B01F23/2375 (For obtaining bubbles with a size below 1 µm) appears on 89 US grants and 159 published applications in this corpus.
Search patents in B01F- Granted patents
- 89
- Published applications
- 159
- Assignees
- 80
- Inventors
- 254
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 4 | 2 |
| 2013 | 0 | 1 |
| 2014 | 4 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 5 |
| 2018 | 1 | 4 |
| 2019 | 5 | 5 |
| 2020 | 7 | 18 |
| 2021 | 5 | 23 |
| 2022 | 9 | 11 |
| 2023 | 11 | 9 |
| 2024 | 12 | 22 |
| 2025 | 5 | 21 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanobubble generation device30 Jun 2026US 12,667,817 B1
- Ultrafine-bubble cavitator26 May 2026US 12,636,624 B2Kairospace Technologies, Inc.
- Flow path member for generating nano-bubbles, and integrated flow path unit and nano-bubble generator using same28 Apr 2026US 12,611,636 B2Fawoo Nanotech Co., Ltd.
- Delivery of medicinal gas in a liquid medium10 Mar 2026US 12,569,628 B2Third Pole, Inc.
- System and method for the treatment of biogas and wastewater20 Jan 2026US 12,528,060 B2University College Dublin, National University of Ireland, Dublin
- Method for producing a compound and apparatus for producing a compound27 Aug 2026US 2026/0250131 A1Helander Holding Oy
- Novel nanobubble generator for hydroponic, aquaponic, open-field agriculture, and/or cellular agriculture systems20 Aug 2026US 2026/0241348 A1Nanu Water Technology, Inc.
- Liquid treatment device including oxygen and nitrogen nanobubble generators and related methods13 Aug 2026US 2026/0233175 A1O2 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.
- Microbubble generating device6 Aug 2026US 2026/0225050 A1Ace Inventer Inc.
Most cited
By later US patents
- Gas micronizer and purification system and related methods59US 5,316,682 AKey Solutions, Inc. · 1994
- Treatment of contaminated liquids with oxidizing gases and liquids38US 6,251,289 B1GRT, Inc. · 2001
- Method of and apparatus for producing sub-micron bubbles in liquids and slurries22US 6,398,195 B1GRT, Inc. · 2002
- System and method for stably infusing gas into liquid, and methods of using the gas infused liquid22US 9,527,046 B12016
- Nanobubble-containing liquid producing apparatus and nanobubble-containing liquid producing method21US 8,317,165 B2Sharp Kabushiki Kaisha · 2012