Hand-held pipettor
US6923938B2 · kind B2 · utility
25Cited by
101References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2002 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Jul 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/26
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hand-held pipettor comprising a piston received in one end of a cylinder, a pipettor tip removably secured to an opposite end of said cylinder, means for reciprocating said piston through a selected stroke to aspirate fluid into and to expel the thus aspirated fluid from said pipettor tip, mutually spaced stop members operatively associated with said manually driven means for defining the range of said stroke and motor driven means for varying the spacing between said stop members to thereby vary the volume of fluid being aspirated into and expelled from said pipettor tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.