B01L 2400/0638
Membrane valves, flap valves
Official title: membrane valves, flap valves
B01L2400/0638 (Membrane valves, flap valves) appears on 322 US grants and 484 published applications in this corpus.
Search patents in B01L- Granted patents
- 322
- Published applications
- 484
- Assignees
- 232
- Inventors
- 918
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 4 |
| 2002 | 2 | 17 |
| 2003 | 4 | 10 |
| 2004 | 5 | 12 |
| 2005 | 7 | 16 |
| 2006 | 3 | 12 |
| 2007 | 11 | 15 |
| 2008 | 7 | 22 |
| 2009 | 9 | 21 |
| 2010 | 8 | 21 |
| 2011 | 11 | 18 |
| 2012 | 24 | 26 |
| 2013 | 21 | 20 |
| 2014 | 13 | 22 |
| 2015 | 18 | 22 |
| 2016 | 12 | 34 |
| 2017 | 28 | 20 |
| 2018 | 20 | 17 |
| 2019 | 16 | 21 |
| 2020 | 15 | 15 |
| 2021 | 9 | 23 |
| 2022 | 15 | 26 |
| 2023 | 15 | 23 |
| 2024 | 15 | 24 |
| 2025 | 19 | 15 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid handling device and fluid handling system24 Mar 2026US 12,582,980 B2Enplas Corporation
- Device and method for dispensing a droplet24 Feb 2026US 12,558,691 B2Lightcast Discovery Ltd
- Microfluidic device and method for use thereof for the separation, purification and concentration of components of fluid media13 Jan 2026US 12,521,716 B2Mildendo Gesellschaft fur Mikrofluidische Systeme MBH
- Sampling system with a replaceable cassette assembly and methods of using the same16 Dec 2025US 12,498,299 B2EMD Millipore Corporation
- Microarrays, hybridization seals, and related methods9 Dec 2025US 12,491,488 B2Illumina, Inc.
- Microfluidic device with positive displacement pump27 Aug 2026US 2026/0249290 A1Quantumdx Group Limited
- Sampling device6 Aug 2026US 2026/0225100 A1
- Microfluidic device with a deformable membrane activatable by a hydraulic circuit2 Apr 2026US 2026/0091362 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Microfluidic cartridge having a vent channel and method of filling a reaction chamber using same26 Mar 2026US 2026/0084151 A1Canon Virginia, Inc.
- Sampling system with a replaceable cassette assembly and methods of using the same12 Mar 2026US 2026/0071938 A1EMD Millipore Corporation
Most cited
By later US patents
- Microfabricated crossflow devices and methods564US 7,294,503 B2California Institute of Technology · 2007
- Microfluidic analyzer module396US 5,932,799 AYSI Incorporated · 1999
- Integrated active flux microfluidic devices and methods385US 6,767,706 B2California Institute of Technology · 2004
- Laboratory in a disk256US 6,030,581 ABurstein Laboratories, Inc. · 2000
- Microfluidic systems in the electrochemical detection of target analytes254US 6,942,771 B1Clinical Micro Sensors, Inc. · 2005