B01L 3/0203
Burettes, i.e. for withdrawing and redistributing liquids through different conduits
Official title: {Burettes, i.e. for withdrawing and redistributing liquids through different conduits}
B01L3/0203 (Burettes, i.e. for withdrawing and redistributing liquids through different conduits) appears on 121 US grants and 94 published applications in this corpus.
Search patents in B01L- Granted patents
- 121
- Published applications
- 94
- Assignees
- 102
- Inventors
- 259
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 6 |
| 2004 | 3 | 9 |
| 2005 | 4 | 6 |
| 2006 | 5 | 4 |
| 2007 | 2 | 4 |
| 2008 | 7 | 0 |
| 2009 | 2 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 3 | 6 |
| 2015 | 1 | 2 |
| 2016 | 1 | 7 |
| 2017 | 6 | 4 |
| 2018 | 5 | 1 |
| 2019 | 3 | 5 |
| 2020 | 2 | 3 |
| 2021 | 1 | 8 |
| 2022 | 4 | 3 |
| 2023 | 4 | 5 |
| 2024 | 1 | 6 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sample processing and detection apparatus and application thereof5 May 2026US 12,616,971 B2National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention
- Multi-channel parallel pretreatment device31 Mar 2026US 12,589,388 B2Chengdu Illumaxbio Technology Co., LTD
- Probe apparatus, assemblies, and methods for aspirating and dispensing liquids23 Sep 2025US 12,420,276 B2Siemens Healthcare Diagnostics Inc.
- Device and methods14 Jan 2025US 12,196,656 B2Epona Biotech Ltd
- Multiplexed polymerase chain reaction in micropipette format16 Jan 2024US 11,872,551 B2
- Positive-displacement sampling device designed to improve the grasping of the piston of a piston-capillary system11 Jun 2026US 2026/0160779 A1Gilson, Inc.
- A digital burette26 Feb 2026US 2026/0054261 A1Borosil Technologies Limited
- Diffusion tip11 Sep 2025US 2025/0281922 A1Mettler-Toledo AG
- Device and Methods10 Apr 2025US 2025/0116583 A1Epona Biotech Ltd
- Biological sample holder and handler14 Nov 2024US 2024/0375114 A1Qcdx LLC
Most cited
By later US patents
- Pipetting device with pipette tip for solid phase reactions158US 6,143,252 AThe Perkin-Elmer Corporation · 2000
- Controlled pumping system94US 4,089,624 ABecton, Dickinson and Company · 1978
- Proportioning pump with pneumatic distributor64US 4,047,850 ACommissariat A L' Energie Atomique · 1977
- Fluid dispensing apparatus61US 7,501,283 B2Sakura Finetek U.S.A., Inc. · 2009
- Syringe device for simultaneous infusion and withdrawal59US 7,094,222 B1The United States of America as represented by the Secretary of the Navy · 2006