B01L 3/0241
Drop counters
Official title: {Drop counters; Drop formers}
B01L3/0241 (Drop counters) appears on 1,445 US grants and 1,906 published applications in this corpus.
Search patents in B01L- Granted patents
- 1,445
- Published applications
- 1,906
- Assignees
- 729
- Inventors
- 3,147
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 23 | 0 |
| 2000 | 24 | 0 |
| 2001 | 37 | 29 |
| 2002 | 52 | 90 |
| 2003 | 54 | 139 |
| 2004 | 53 | 125 |
| 2005 | 61 | 98 |
| 2006 | 51 | 94 |
| 2007 | 62 | 80 |
| 2008 | 55 | 70 |
| 2009 | 32 | 79 |
| 2010 | 42 | 60 |
| 2011 | 41 | 54 |
| 2012 | 46 | 52 |
| 2013 | 38 | 58 |
| 2014 | 43 | 49 |
| 2015 | 63 | 65 |
| 2016 | 51 | 74 |
| 2017 | 50 | 67 |
| 2018 | 55 | 76 |
| 2019 | 55 | 70 |
| 2020 | 67 | 95 |
| 2021 | 69 | 96 |
| 2022 | 56 | 83 |
| 2023 | 55 | 65 |
| 2024 | 46 | 62 |
| 2025 | 47 | 43 |
| 2026 | 28 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Monolithic carrier structure including fluid routing for digital dispensing6 Oct 2026US 12,752,267 B2Hewlett-Packard Development Company, L. P.
- Sample taking device, sample taking system and method of operating a sample taking device6 Oct 2026US 12,754,107 B2LockCon AG
- Cell processing method and cell processing apparatus25 Aug 2026US 12,716,047 B2Canon Kabushiki Kaisha
- Device and method to be carried out for examining and/or processing an in particular biological or medical sample18 Aug 2026US 12,710,350 B2Lpkf Laser & Electronics AG
- Integrated reference electrode and fluid dispenser28 Jul 2026US 12,693,254 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Dropper container8 Oct 2026US 2026/0305794 A1Shya Hsin Packaging Industry (China) Co., Ltd.
- Dropper system with pre-positioned wiper8 Oct 2026US 2026/0307865 A1Bottle Barons, LLC
- Elution kit, analytical kit and method of eluting and analyzing a biological sample27 Aug 2026US 2026/0249297 A1
- System and method for measuring electrochemistry of dynamically dissolving droplets27 Aug 2026US 2026/0251610 A1Purdue Research Foundation
- Fluid ejection system20 Aug 2026US 2026/0241379 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Wholly microfabricated biosensors and process for the manufacture and use thereof912US 5,200,051 AI-Stat Corporation · 1993
- Methods for fabricating microarrays of biological samples867US 5,807,522 AThe Board of Trustees of the Leland Stanford Junior University · 1998
- Method of manufacturing a plurality of uniform microfabricated sensing devices having an immobilized ligand receptor707US 5,063,081 AI-Stat Corporation · 1991
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Fully integrated miniaturized planar liquid sample handling and analysis device556US 5,571,410 AHewlett-Packard Company · 1996