B01L 3/0224
Having mechanical means to set stroke length
Official title: {having mechanical means to set stroke length, e.g. movable stops (B01L3/0231, B01L3/0234 take precedence)}
B01L3/0224 (Having mechanical means to set stroke length) appears on 148 US grants and 116 published applications in this corpus.
Search patents in B01L- Granted patents
- 148
- Published applications
- 116
- Assignees
- 91
- Inventors
- 246
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 4 | 5 |
| 2006 | 1 | 1 |
| 2007 | 4 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 0 | 5 |
| 2011 | 1 | 6 |
| 2012 | 4 | 2 |
| 2013 | 3 | 6 |
| 2014 | 4 | 3 |
| 2015 | 5 | 6 |
| 2016 | 5 | 8 |
| 2017 | 4 | 4 |
| 2018 | 11 | 4 |
| 2019 | 3 | 7 |
| 2020 | 4 | 4 |
| 2021 | 3 | 9 |
| 2022 | 5 | 8 |
| 2023 | 7 | 8 |
| 2024 | 1 | 1 |
| 2025 | 9 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Plunger rod and method for producing such a plunger rod7 Apr 2026US 12,594,549 B2Eppendorf AG
- Pipette with adjustable pipetting volume and locking system3 Feb 2026US 12,539,509 B2Eppendorf AG
- Pipetting apparatus and methods16 Dec 2025US 12,496,577 B2Revvity Health Sciences, Inc.
- Pipettor with common drive motor for aspiration/dispensing and tip ejection30 Jul 2026US 2026/0216719 A1
- Positive-displacement sampling device designed to improve the grasping of the piston of a piston-capillary system11 Jun 2026US 2026/0160779 A1Gilson, Inc.
- Pipette assembly4 Jun 2026US 2026/0151763 A1Integra Biosciences AG
- Pipetting apparatus and methods7 May 2026US 2026/0124611 A1Revvity Health Sciences, Inc.
- Assay device and receiving device2 Apr 2026US 2026/0091391 A1Premier Biotech, Inc.
Most cited
By later US patents
- Adjustable volume pipette sampler111US 4,744,955 A1988
- Pipetting module87US 7,185,551 B22007
- Hand-held pipette with disposable capillary71US 4,567,780 AAmerican Hospital Supply Corporation · 1986
- Variable stop syringe64US 4,278,086 ACoulter Electronics, Inc. · 1981
- Pipetter56US 5,104,624 ACostar Corporation · 1992