B01L 3/0217
Of the plunger pump type
Official title: {of the plunger pump type}
B01L3/0217 (Of the plunger pump type) appears on 979 US grants and 1,056 published applications in this corpus.
Search patents in B01L- Granted patents
- 979
- Published applications
- 1,056
- Assignees
- 526
- Inventors
- 1,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 15 | 0 |
| 1978 | 15 | 0 |
| 1979 | 11 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 6 |
| 2002 | 16 | 28 |
| 2003 | 15 | 26 |
| 2004 | 21 | 32 |
| 2005 | 16 | 32 |
| 2006 | 11 | 23 |
| 2007 | 13 | 29 |
| 2008 | 21 | 32 |
| 2009 | 13 | 41 |
| 2010 | 24 | 29 |
| 2011 | 21 | 39 |
| 2012 | 28 | 25 |
| 2013 | 20 | 44 |
| 2014 | 28 | 43 |
| 2015 | 25 | 37 |
| 2016 | 44 | 48 |
| 2017 | 38 | 58 |
| 2018 | 51 | 65 |
| 2019 | 45 | 59 |
| 2020 | 42 | 68 |
| 2021 | 44 | 60 |
| 2022 | 45 | 71 |
| 2023 | 42 | 48 |
| 2024 | 36 | 50 |
| 2025 | 51 | 32 |
| 2026 | 23 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01L 3/0227Details of motor drive means207
- B01L 3/0237Details of electronic control167
- B01L 3/0224Having mechanical means to set stroke length148
- B01L 3/022Capillary pipettes, i.e. having very small bore116
- B01L 3/0234Repeating pipettes, i.e. for dispensing multiple doses from a single charge91
- B01L 3/0231Having several coaxial pistons60
Recent patents
- Pipette tip adapter6 Oct 2026US 12,752,268 B2Mettler-Toledo Rainin, LLC
- Pipetting head for a liquid dispensing apparatus for use with an array of pipettes29 Sep 2026US 12,746,540 B2Spt Labtech Ltd.
- Device for dosing solid particulate material22 Sep 2026US 12,740,920 B2Lonza Sales AG
- Pipette tip family comprising pipette tips for use with pipettes of a pipette family and pipette family comprising pipettes for use with pipette tips of a pipette tip family1 Sep 2026US 12,722,150 B2Eppendorf AG
- Hand-held pipetting device14 Jul 2026US 12,678,782 B2Eppendorf AG
- Pipette tip and mounting shaft with rear venting feature8 Oct 2026US 2026/0307068 A1Integra Biosciences AG
- Centrifuge syringe1 Oct 2026US 2026/0295575 A1Hubertus Goller Gesellschaft M.B.H.
- Pipette tip family comprising pipette tips for use with pipettes of a pipette family and pipette family comprising pipettes for use with pipette tips of a pipette tip family17 Sep 2026US 2026/0273521 A1Eppendorf AG
- Robotic pipettes calibration system, method of use, and auxiliary devices20 Aug 2026US 2026/0243794 A1Qcc Hazorea Calibration Technologies A.C.S Ltd.
- Cultureware with Pipette Resting Ledges13 Aug 2026US 2026/0233215 A1XDemics Corporation
Most cited
By later US patents
- Dose metering plunger devices for use with syringes243US 4,498,904 A1985
- Reusable pharmaceutical dispenser with full stroke indicator235US 5,271,527 AHabley Medical Technology Corporation · 1993
- Automated pipetting apparatus having a combined liquid pump and pipette head system198US 8,287,820 B2HandyLab, Inc. · 2012
- Manual dispensing aid for a syringe172US 5,611,784 AHamilton Company · 1997
- Pipetting device with pipette tip for solid phase reactions158US 6,143,252 AThe Perkin-Elmer Corporation · 2000