B01L 2400/0611
Duck bill valves
Official title: duck bill valves
B01L2400/0611 (Duck bill valves) appears on 87 US grants and 131 published applications in this corpus.
Search patents in B01L- Granted patents
- 87
- Published applications
- 131
- Assignees
- 44
- Inventors
- 171
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 2 | 3 |
| 2004 | 3 | 6 |
| 2005 | 2 | 11 |
| 2006 | 0 | 4 |
| 2007 | 1 | 5 |
| 2008 | 1 | 5 |
| 2009 | 2 | 6 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 5 | 7 |
| 2013 | 4 | 2 |
| 2014 | 1 | 1 |
| 2015 | 5 | 4 |
| 2016 | 4 | 5 |
| 2017 | 3 | 3 |
| 2018 | 6 | 4 |
| 2019 | 4 | 8 |
| 2020 | 11 | 12 |
| 2021 | 6 | 11 |
| 2022 | 2 | 7 |
| 2023 | 3 | 5 |
| 2024 | 6 | 5 |
| 2025 | 3 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Mobile phase supply device with fluidically normally closed port and cap devices5 May 2026US 12,616,968 B2Agilent Technologies, Inc.
- Reaction vessel and automatic analyzing device10 Mar 2026US 12,569,850 B2Canon Medical Systems Corporation
- Food certification system24 Feb 2026US 12,559,792 B2Swissdecode SA
- Positive pressure filtration apparatus and method20 Aug 2026US 2026/0241314 A1Scientific Plastic Products, Inc.
- Pipetting element, pipetting device, and pipetting kit12 Mar 2026US 2026/0070051 A1Leica Microsystems CMS GmbH
- Integrated system for processing microfluidic samples, and method of using same23 Oct 2025US 2025/0325977 A1HandyLab, Inc.
- Devices and methods for molecular diagnostic testing5 Jun 2025US 2025/0177977 A1Visby Medical, Inc.
- Microfluidic system for amplifying and detecting polynucleotides in parallel6 Mar 2025US 2025/0075250 A1HandyLab, Inc.
Most cited
By later US patents
- 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
- Microfluidic system for amplifying and detecting polynucleotides in parallel182US 7,998,708 B2HandyLab, Inc. · 2011
- Heater unit for microfluidic diagnostic system169US 8,088,616 B2HandyLab, Inc. · 2012
- Devices and methods for biochip multiplexing161US 7,172,897 B2Clinical Micro Sensors, Inc. · 2007