B01L 3/0279
Co-operating with positive ejection means
Official title: {co-operating with positive ejection means}
B01L3/0279 (Co-operating with positive ejection means) appears on 262 US grants and 279 published applications in this corpus.
Search patents in B01L- Granted patents
- 262
- Published applications
- 279
- Assignees
- 120
- Inventors
- 438
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 3 |
| 2003 | 6 | 19 |
| 2004 | 10 | 12 |
| 2005 | 8 | 11 |
| 2006 | 6 | 7 |
| 2007 | 3 | 6 |
| 2008 | 5 | 9 |
| 2009 | 6 | 6 |
| 2010 | 9 | 3 |
| 2011 | 2 | 6 |
| 2012 | 6 | 2 |
| 2013 | 5 | 8 |
| 2014 | 3 | 13 |
| 2015 | 8 | 5 |
| 2016 | 7 | 5 |
| 2017 | 12 | 14 |
| 2018 | 12 | 12 |
| 2019 | 10 | 18 |
| 2020 | 12 | 20 |
| 2021 | 14 | 19 |
| 2022 | 17 | 21 |
| 2023 | 16 | 16 |
| 2024 | 14 | 17 |
| 2025 | 15 | 14 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-channel pipetting head29 Sep 2026US 12,746,541 B2Tecan Trading AG
- Suction dispensing device having removable tip21 Jul 2026US 12,686,003 B2Micro Digital Co., Ltd.
- Pipetting device, pipette tip coupler, and pipette tip: devices and methods30 Jun 2026US 12,667,836 B2Hamilton Company
- Pipetting apparatus and methods19 May 2026US 12,629,671 B2Revvity Health Sciences, Inc.
- Positive displacement pipette syringe identification system5 May 2026US 12,616,974 B2Mettler-Toledo Rainin, LLC
- Pipette tip and mounting shaft with rear venting feature8 Oct 2026US 2026/0307068 A1Integra Biosciences AG
- Pipetting instrument27 Aug 2026US 2026/0249284 A1Beckman Coulter, Inc.
- Cultureware with Pipette Resting Ledges13 Aug 2026US 2026/0233215 A1XDemics Corporation
- Cultureware Slope Features for Seed Cell Concentration13 Aug 2026US 2026/0234522 A1XDemics Corporation
- Methods for Purging Bubbles from Cultureware Microfeatures13 Aug 2026US 2026/0234525 A1XDemics Corporation
Most cited
By later US patents
- Pipetting device with pipette tip for solid phase reactions158US 6,143,252 AThe Perkin-Elmer Corporation · 2000
- Method and device for simultaneously transferring plural samples153US 5,736,105 A1998
- Pipette and pipetting apparatus143US 4,830,832 AHamilton Bonaduz AG · 1989
- Method and device for simultaneously transferring plural samples133US 5,525,302 A1996
- Ergonomic pipette tip and adapters116US 7,335,337 B12008