B01J 2219/00396
Membrane valves
B01J2219/00396 (Membrane valves) appears on 78 US grants and 63 published applications in this corpus.
Search patents in B01J- Granted patents
- 78
- Published applications
- 63
- Assignees
- 34
- Inventors
- 101
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 0 | 1 |
| 2005 | 3 | 5 |
| 2006 | 2 | 5 |
| 2007 | 5 | 4 |
| 2008 | 1 | 8 |
| 2009 | 2 | 4 |
| 2010 | 6 | 4 |
| 2011 | 5 | 5 |
| 2012 | 5 | 3 |
| 2013 | 2 | 2 |
| 2014 | 5 | 2 |
| 2015 | 5 | 4 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microreactor array platform24 Jun 2025US 12,337,324 B2Arizona Board of Regents on behalf of Arizona State University
- Reaction circuit design in microfluidic circuits17 Jun 2025US 12,330,154 B2Massachusetts Institute of Technology
- Device for synthesizing oligonucleotides25 Apr 2023US 11,633,734 B2Kilobaser GmbH
- Pneumatic system having noise reduction features for a medical fluid machine8 Nov 2022US 11,491,321 B2Baxter Healthcare S. A.
- Reaction circuit design in microfluidic circuits9 Aug 2022US 11,406,980 B2Massachusetts Institute of Technology
- Microreactor array platform4 Jun 2026US 2026/0151771 A1
- Microfluidic valve20 Jul 2023US 2023/0226547 A1Kilobaser GmbH
- Reaction circuit design in microfluidic circuits17 Nov 2022US 2022/0362770 A1Massachusetts Institute of Technology
- Microreactor array platform11 Feb 2021US 2021/0039091 A1Arizona Board of Regents on behalf of Arizona State University
- Pneumatic system having noise reduction features for a medical fluid machine5 Mar 2020US 2020/0069856 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Methods and apparatuses for analyzing polynucleotide sequences217US 7,501,245 B2Helicos BioSciences Corporation · 2009
- Microfabricated elastomeric valve and pump systems198US 6,929,030 B2California Institute of Technology · 2005
- Crystal growth devices and systems, and methods for using same198US 7,279,146 B2Fluidigm Corporation · 2007
- Microfabricated elastomeric valve and pump systems196US 7,144,616 B1California Institute of Technology · 2006
- Combinatorial synthesis system183US 6,508,988 B1California Institute of Technology · 2003