B81B 2201/05
Microfluidics
B81B2201/05 (Microfluidics) appears on 858 US grants and 1,133 published applications in this corpus.
Search patents in B81B- Granted patents
- 858
- Published applications
- 1,133
- Assignees
- 488
- Inventors
- 2,242
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 7 |
| 2002 | 15 | 34 |
| 2003 | 28 | 32 |
| 2004 | 25 | 44 |
| 2005 | 23 | 44 |
| 2006 | 25 | 42 |
| 2007 | 29 | 47 |
| 2008 | 16 | 47 |
| 2009 | 16 | 62 |
| 2010 | 32 | 62 |
| 2011 | 33 | 66 |
| 2012 | 35 | 40 |
| 2013 | 34 | 48 |
| 2014 | 53 | 47 |
| 2015 | 36 | 46 |
| 2016 | 36 | 42 |
| 2017 | 33 | 47 |
| 2018 | 42 | 61 |
| 2019 | 48 | 57 |
| 2020 | 52 | 42 |
| 2021 | 42 | 59 |
| 2022 | 39 | 52 |
| 2023 | 41 | 41 |
| 2024 | 31 | 30 |
| 2025 | 41 | 23 |
| 2026 | 19 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B81B 2201/058Microfluidics not provided for in b81b2201/051 - b81b2201/054Indexing code458
- B81B 2201/054MicrovalvesIndexing code111
- B81B 2201/052Ink-jet print cartridgesIndexing code101
- B81B 2201/055MicroneedlesIndexing code98
- B81B 2201/051Micromixers, microreactorsIndexing code80
- B81B 2201/057Micropipets, dropformersIndexing code23
Recent patents
- Three-dimensional printed articles and methods of manufacture25 Aug 2026US 12,714,367 B2Arizona Board of Regents on Behalf of the University of Arizona
- Micro-fluidic chip, library preparation chip and method for controlling and driving droplet30 Jun 2026US 12,667,841 B2Beijing BOE Sensor Technology Co., Ltd.
- Neural lattice device for characterization of neuron behavior2 Jun 2026US 12,644,085 B2International Business Machines Corporation
- Microfluidic devices26 May 2026US 12,636,645 B2Hewlett-Packard Development Company, L. P.
- MEMS device for interaction with fluids19 May 2026US 12,630,415 B2Robert Bosch GmbH
- Crash fault mitigation and dust mitigation in mems cooling systems17 Sep 2026US 2026/0274650 A1Frore Systems Inc.
- Method of manufacturing a microfluidic architecture27 Aug 2026US 2026/0249522 A1Unhlndr LTD
- Method for manufacturing a fluidic device comprising a substrate bearing at least one porous or hollow solid element16 Jul 2026US 2026/0199894 A1Centre National De La Recherche Scientifique
- Micro electro mechanical system device25 Jun 2026US 2026/0176129 A1Beijing BOE Technology Development Co., Ltd.
- Crash mitigation in active mems cooling systems28 May 2026US 2026/0145930 A1Frore Systems Inc.
Most cited
By later US patents
- Microneedle devices and methods of manufacture and use thereof907US 6,334,856 B12002
- Microneedle device for transport of molecules across tissue634US 6,503,231 B1Georgia Tech Research Corporation · 2003
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002
- Apparatus and method for using an intracutaneous microneedle array587US 6,256,533 B1The Procter & Gamble Company · 2001
- Intracutaneous microneedle array apparatus483US 6,379,324 B1The Procter & Gamble Company · 2002