B01F 2025/918
Counter current flow, i.e. flows moving in opposite direction and colliding
Official title: {Counter current flow, i.e. flows moving in opposite direction and colliding}
B01F2025/918 (Counter current flow, i.e. flows moving in opposite direction and colliding) appears on 74 US grants and 93 published applications in this corpus.
Search patents in B01F- Granted patents
- 74
- Published applications
- 93
- Assignees
- 72
- Inventors
- 249
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 4 |
| 2004 | 0 | 0 |
| 2005 | 2 | 5 |
| 2006 | 0 | 2 |
| 2007 | 0 | 7 |
| 2008 | 0 | 4 |
| 2009 | 2 | 0 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 2 | 5 |
| 2013 | 0 | 7 |
| 2014 | 5 | 7 |
| 2015 | 2 | 1 |
| 2016 | 6 | 6 |
| 2017 | 6 | 4 |
| 2018 | 3 | 5 |
| 2019 | 6 | 5 |
| 2020 | 2 | 6 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
| 2023 | 2 | 7 |
| 2024 | 3 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid activating device25 Nov 2025US 12,478,929 B2
- Co-current and countercurrent contactor for immiscible fluids4 Nov 2025US 12,458,940 B2Streamline Innovations Inc
- Counter-flow reactant mixing for exhaust gas aftertreatment1 Jul 2025US 12,343,692 B2Proventia Oy
- Countercurrent contacting devices11 Feb 2025US 12,220,674 B2Koch-Glitsch, LP
- Countercurrent contacting devices and method of manufacture12 Nov 2024US 12,138,602 B2Koch-Glitsch, LP
- Mixing device for mixing a reaction medium into a gas stream, exhaust gas path with such a mixing device and internal combustion engine30 Apr 2026US 2026/0117690 A1Rolls-Royce Solutions GmbH
- fluid mixing device4 Dec 2025US 2025/0367616 A1
- Passive blender2 Oct 2025US 2025/0303371 A1Greener Blue Limited
- Fluid activating device12 Sep 2024US 2024/0299888 A1
- Low pressure jet nozzle and optimized jet pattern for mixing process water in crude oil7 Dec 2023US 2023/0390719 A1Sensia Netherlands B.V.
Most cited
By later US patents
- Liquid waste oxygenation441US 5,463,176 A1995
- Fluid mixer using countercurrent injection428US 9,004,744 B1Techni-Blend, Inc. · 2015
- Counter flow mixer for process chamber419US 10,322,384 B2ASM IP Holding B. V. · 2019
- Device for mixing, foaming and dispensing liquids from separate compressed-gas containers101US 6,305,578 B1Wella Aktiengesellshaft · 2001
- Apparatus for treating materials by creating a cavitation zone downstream of a rotating baffle assembly59US 5,810,474 A1998