F16K 99/0019
Valves using a microdroplet or microbubble as the valve member
Official title: {Valves using a microdroplet or microbubble as the valve member}
F16K99/0019 (Valves using a microdroplet or microbubble as the valve member) appears on 80 US grants and 99 published applications in this corpus.
Search patents in F16K- Granted patents
- 80
- Published applications
- 99
- Assignees
- 40
- Inventors
- 144
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 5 | 5 |
| 2006 | 3 | 7 |
| 2007 | 2 | 6 |
| 2008 | 0 | 12 |
| 2009 | 2 | 0 |
| 2010 | 0 | 3 |
| 2011 | 5 | 6 |
| 2012 | 8 | 12 |
| 2013 | 10 | 3 |
| 2014 | 6 | 3 |
| 2015 | 3 | 5 |
| 2016 | 2 | 5 |
| 2017 | 2 | 2 |
| 2018 | 4 | 4 |
| 2019 | 5 | 6 |
| 2020 | 4 | 5 |
| 2021 | 4 | 2 |
| 2022 | 4 | 0 |
| 2023 | 1 | 5 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reversible micro-valve devices5 Aug 2025US 12,377,416 B2Hewlett-Packard Development Company, L. P.
- Microfluidic devices including fluidic multiplexers24 Oct 2023US 11,794,186 B2Hewlett-Packard Development Company, L. P.
- Microfluidic device with capillary chamber13 Sep 2022US 11,440,008 B2Hewlett-Packard Development Company, L. P.
- Method for processing polynucleotide-containing samples13 Sep 2022US 11,441,171 B2HandyLab, Inc.
- Microfluidic valve13 Sep 2022US 11,441,701 B2Hewlett-Packard Development Company, L. P.
- Reversible micro-valve devices30 Nov 2023US 2023/0383866 A1Hewlett-Packard Development Company, L. P.
- Fluid analysis with fluid seal system23 Nov 2023US 2023/0372938 A1Hewlett-Packard Development Company, L. P.
- Microfluidic sealing valve and microfluidic circuit16 Mar 2023US 2023/0083434 A1University of Canterbury
- Method for processing polynucleotide-containing samples9 Feb 2023US 2023/0041595 A1HandyLab, Inc.
- Microfluidic devices including fluidic multiplexers2 Feb 2023US 2023/0035535 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Microfluidic devices for the controlled manipulation of small volumes634US 6,524,456 B1UT-Battelle, LLC · 2003
- Microscale devices and reactions in microscale devices407US 6,057,149 AUniversity of Michigan · 2000
- Thermal microvalves in a fluid flow method214US 6,048,734 AThe Regents of the University of Michigan · 2000
- Heater unit for microfluidic diagnostic system169US 8,088,616 B2HandyLab, Inc. · 2012
- Magnetically actuated fluid handling devices for microfluidic applications164US 6,415,821 B2University of Washington · 2002