B01L 2400/0605
Check valves
Official title: check valves
B01L2400/0605 (Check valves) appears on 364 US grants and 580 published applications in this corpus.
Search patents in B01L- Granted patents
- 364
- Published applications
- 580
- Assignees
- 281
- Inventors
- 1,114
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 9 |
| 2003 | 3 | 11 |
| 2004 | 5 | 16 |
| 2005 | 6 | 21 |
| 2006 | 1 | 18 |
| 2007 | 4 | 18 |
| 2008 | 3 | 17 |
| 2009 | 4 | 15 |
| 2010 | 13 | 21 |
| 2011 | 9 | 14 |
| 2012 | 17 | 17 |
| 2013 | 20 | 26 |
| 2014 | 10 | 18 |
| 2015 | 14 | 20 |
| 2016 | 14 | 36 |
| 2017 | 19 | 22 |
| 2018 | 25 | 30 |
| 2019 | 24 | 28 |
| 2020 | 25 | 30 |
| 2021 | 23 | 40 |
| 2022 | 20 | 34 |
| 2023 | 24 | 28 |
| 2024 | 28 | 35 |
| 2025 | 26 | 40 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- PBMC separation systems and methods of use23 Jun 2026US 12,661,650 B2Aridica Corporation
- Point of need fluid transport device16 Jun 2026US 12,654,169 B2Arizona Board of Regents on behalf of Arizona State University
- Multifunctional soft diode for artificial systems2 Jun 2026US 12,645,909 B2Board of Regents, The University of Texas System
- Mobile phase supply device with fluidically normally closed port and cap devices5 May 2026US 12,616,968 B2Agilent Technologies, Inc.
- Compound introduction apparatus and compound introduction method7 Apr 2026US 12,595,491 B2Canon Kabushiki Kaisha
- Pbmc separation systems and methods of use10 Sep 2026US 2026/0264081 A1Aridica Corporation
- Positive pressure filtration apparatus and method20 Aug 2026US 2026/0241314 A1Scientific Plastic Products, Inc.
- Device and method for the fluid connection of microfluidic containers20 Aug 2026US 2026/0242711 A1Netri
- Suction Head30 Jul 2026US 2026/0216724 A1Lizenzia GmbH
- Microfluidic devices, systems and methods16 Jul 2026US 2026/0199899 A1Quantumdx Group Limited
Most cited
By later US patents
- Protein crystallization in microfluidic structures458US 6,409,832 B2Micronics, Inc. · 2002
- Integrated apparatus for performing nucleic acid extraction and diagnostic testing on multiple biological samples267US 8,133,671 B2HandyLab, Inc. · 2012
- Microfluidic systems in the electrochemical detection of target analytes254US 6,942,771 B1Clinical Micro Sensors, Inc. · 2005
- Automated microfabrication-based biodetector212US 6,878,755 B2MicroGen Systems, Inc. · 2005
- Integrated chip carriers with thermocycler interfaces and methods of using the same187US 7,704,735 B2Fluidigm Corporation · 2010