F16K 99/0017
Capillary or surface tension valves
Official title: {Capillary or surface tension valves, e.g. using electro-wetting or electro-capillarity effects}
F16K99/0017 (Capillary or surface tension valves) appears on 127 US grants and 178 published applications in this corpus.
Search patents in F16K- Granted patents
- 127
- Published applications
- 178
- Assignees
- 93
- Inventors
- 325
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 4 | 0 |
| 2001 | 1 | 6 |
| 2002 | 4 | 16 |
| 2003 | 8 | 11 |
| 2004 | 8 | 13 |
| 2005 | 7 | 15 |
| 2006 | 7 | 12 |
| 2007 | 8 | 12 |
| 2008 | 1 | 10 |
| 2009 | 3 | 10 |
| 2010 | 3 | 5 |
| 2011 | 10 | 8 |
| 2012 | 8 | 8 |
| 2013 | 9 | 5 |
| 2014 | 4 | 6 |
| 2015 | 7 | 7 |
| 2016 | 4 | 5 |
| 2017 | 4 | 3 |
| 2018 | 4 | 4 |
| 2019 | 5 | 6 |
| 2020 | 2 | 6 |
| 2021 | 5 | 2 |
| 2022 | 5 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microelectronic thermal valve17 Mar 2026US 12,578,035 B2Purdue Research Foundation
- Microfluidic valves11 Feb 2025US 12,220,701 B2Hewlett-Packard Development Company, L. P.
- Simple flow control for microfluidic devices21 Jan 2025US 12,201,979 B2International Business Machines Corporation
- Microelectronic thermal valve9 Jan 2024US 11,867,319 B2Purdue Research Foundation
- Fluid injection15 Aug 2023US 11,724,237 B2President and Fellows of Harvard College
- Gravitationally Checked Microfluidic Valve1 Oct 2026US 2026/0298369 A1National Research Council of Canada
- Fluidic Device With Capillary Barrier19 Dec 2024US 2024/0416341 A1Purigen Biosystems, Inc.
- Microelectronic thermal valve30 May 2024US 2024/0175522 A1Purdue Research Foundation
- Flow control in microfluidic devices5 Oct 2023US 2023/0311123 A1Colorado State University Research Foundation
- Systems and methods for an e-gating feature in an electrochemical test strip20 Jul 2023US 2023/0226539 A1
Most cited
By later US patents
- Microfluidic devices for the controlled manipulation of small volumes634US 6,524,456 B1UT-Battelle, LLC · 2003
- Actuators for microfluidics without moving parts497US 6,565,727 B1Nanolytics, Inc. · 2003
- Microscale devices and reactions in microscale devices407US 6,057,149 AUniversity of Michigan · 2000
- Methods and systems for fluid control in microfluidic devices236US 6,575,188 B2HandyLab, Inc. · 2003
- Microfluidic devices for introducing and dispensing fluids from microfluidic systems235US 6,951,632 B2Fluidigm Corporation · 2005