B01F 25/43231
The channels or tubes crossing each other several times
Official title: {the channels or tubes crossing each other several times}
B01F25/43231 (The channels or tubes crossing each other several times) appears on 32 US grants and 37 published applications in this corpus.
Search patents in B01F- Granted patents
- 32
- Published applications
- 37
- Assignees
- 32
- Inventors
- 104
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 1 | 5 |
| 2020 | 5 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous flow systems with bifurcating mixers23 Jun 2026US 12,661,622 B2The University of British Columbia
- Valvular conduit8 Aug 2023US RE49,597 E1OP-Hygiene IP GmbH
- Mixing head6 Jun 2023US 11,666,871 B21887168 Alberta Ltd.
- Network heat exchanger device, method and uses thereof1 Nov 2022US 11,484,862 B2Petrogal, S.A.
- Method for controlling fluid accuracy and backflow compensation22 Mar 2022US 11,278,853 B2Bayer HealthCare LLC
- Static mixers for use with biopharmaceutical compositions and methods for using the same5 Feb 2026US 2026/0034523 A1Sartorius Stedim Fmt SAS
- Polymer-based microfluidic sample preparation chip21 Nov 2024US 2024/0382964 A1The Trustees of Columbia University in the City of New York
- Flow-Path-Regulating Conformal Dip Tube8 Aug 2024US 2024/0261741 A1University of Alaska Fairbanks
- Flow channel structure, method for agitating fluid and method for manufacturing lipid particles19 Oct 2023US 2023/0330618 A1Kabushiki Kaisha Toshiba
- Method For Controlling Fluid Accuracy And Backflow Compensation16 Jun 2022US 2022/0184568 A1Bayer HealthCare LLC
Most cited
By later US patents
- Non-planar microstructures for manipulation of fluid samples448US 6,368,871 B1Cepheid · 2002
- Method for the manipulation of a fluid sample178US 7,135,144 B2Cepheid · 2006
- Static mixer and a method of manufacture thereof71US 7,198,400 B2Husky Injection Molding Systems Ltd. · 2007
- In situ micromachined mixer for microfluidic analytical systems53US 6,170,981 B2Purdue Research Foundation · 2001
- Static mixer for flowable materials, and related method40US 4,027,857 A1977