B01L 3/0227
Details of motor drive means
Official title: {Details of motor drive means (B01L3/0231, B01L3/0234 take precedence)}
B01L3/0227 (Details of motor drive means) appears on 207 US grants and 226 published applications in this corpus.
Search patents in B01L- Granted patents
- 207
- Published applications
- 226
- Assignees
- 125
- Inventors
- 422
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 6 |
| 2003 | 3 | 4 |
| 2004 | 5 | 7 |
| 2005 | 2 | 11 |
| 2006 | 3 | 5 |
| 2007 | 2 | 7 |
| 2008 | 5 | 11 |
| 2009 | 3 | 7 |
| 2010 | 2 | 3 |
| 2011 | 5 | 8 |
| 2012 | 7 | 4 |
| 2013 | 7 | 3 |
| 2014 | 4 | 7 |
| 2015 | 4 | 6 |
| 2016 | 6 | 6 |
| 2017 | 8 | 16 |
| 2018 | 8 | 11 |
| 2019 | 6 | 12 |
| 2020 | 10 | 17 |
| 2021 | 10 | 16 |
| 2022 | 15 | 15 |
| 2023 | 10 | 11 |
| 2024 | 10 | 14 |
| 2025 | 16 | 7 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipetting head for a liquid dispensing apparatus for use with an array of pipettes29 Sep 2026US 12,746,540 B2Spt Labtech Ltd.
- Pipetting apparatus and methods19 May 2026US 12,629,671 B2Revvity Health Sciences, Inc.
- Pressure generating device and detecting system including the same14 Apr 2026US 12,599,904 B2Inti Taiwan, Inc.
- Plunger rod and method for producing such a plunger rod7 Apr 2026US 12,594,549 B2Eppendorf AG
- Fluid dispensing system24 Mar 2026US 12,583,734 B2Fluid Metering, Inc.
- Liquid handling system and method6 Aug 2026US 2026/0225056 A1Tata Consultancy Services Limited
- Pipettor with common drive motor for aspiration/dispensing and tip ejection30 Jul 2026US 2026/0216719 A1
- Liquid transfer23 Jul 2026US 2026/0210991 A1Thermo Fisher Scientific (Bremen) GmbH
- Multichannel air displacement pipettor25 Jun 2026US 2026/0175212 A1Avidien Technologies, Inc.
- Positive-displacement sampling device designed to improve the grasping of the piston of a piston-capillary system11 Jun 2026US 2026/0160779 A1Gilson, Inc.
Most cited
By later US patents
- Coaxial lead screw drive syringe pump157US 5,219,099 ACalifornia Institute of Technology · 1993
- Fluid transfer apparatus103US 5,672,155 A1997
- Multiple channel pipetting device84US 5,915,284 ACyberlab, Inc. · 1999
- Method and apparatus for pipetting liquids83US 4,967,606 ACaveo Scientific Instruments, Inc. · 1990
- System for pipetting and photometrically evaluating samples82US 5,844,686 AEppendorf-Netheler-Hinz GmbH · 1998