B01L 3/0231
Having several coaxial pistons
Official title: {having several coaxial pistons}
B01L3/0231 (Having several coaxial pistons) appears on 60 US grants and 62 published applications in this corpus.
Search patents in B01L- Granted patents
- 60
- Published applications
- 62
- Assignees
- 40
- Inventors
- 122
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 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 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 5 |
| 2018 | 3 | 1 |
| 2019 | 2 | 5 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 4 | 7 |
| 2023 | 7 | 4 |
| 2024 | 2 | 7 |
| 2025 | 4 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipetting apparatus and methods19 May 2026US 12,629,671 B2Revvity Health Sciences, Inc.
- Multi-tiered pipette tip holder and ejection mechanism for a dynamic broad volumetric range pipette10 Feb 2026US 12,544,750 B2DeNovix Inc.
- Syringe-based fluid diversion mechanism for bodily fluid sampling23 Dec 2025US 12,502,109 B2Magnolia Medical Technologies, Inc.
- Pipetting apparatus and methods16 Dec 2025US 12,496,577 B2Revvity Health Sciences, Inc.
- Pipette device and analysis device16 Dec 2025US 12,498,390 B2Muscle Corporation
- Pipette tip cartridge2 Jul 2026US 2026/0183768 A1
- Pipetting apparatus and methods7 May 2026US 2026/0124611 A1Revvity Health Sciences, Inc.
- Device and Method for Analyte Isolation7 May 2026US 2026/0126355 A1
- Multifunctional pipette set and automatic detection machine22 Jan 2026US 2026/0021482 A1Wistron Corporation
- Bodily-fluid transfer system for bodily fluid sampling24 Jul 2025US 2025/0235133 A1Magnolia Medical Technologies, Inc.
Most cited
By later US patents
- Pipetting module87US 7,185,551 B22007
- Multiple channel pipetting device69US 6,627,160 B2Brand GmbH + Co KG · 2003
- Syringe-based fluid diversion mechanism for bodily fluid sampling69US 9,155,495 B2Magnolia Medical Technologies, Inc. · 2015
- Method and apparatus for simultaneous dilution and dispensation67US 4,327,595 AHamilton Company · 1982
- Device for pipetting and/or diluting57US 4,046,291 A1977