Patent · US Expired

Method and apparatus ensuring full volume pickup in an automated pipette

US4399711A · kind A · utility

55Cited by
23References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 18, 1980
Grant dateAug 23, 1983
Priority date
Expiry dateApr 18, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L3/0217
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An automated pipette employing a device to ensure exact volume pickup and delivery. An optical device senses the presence of a liquid in the tip of the pipette. By intaking the volume past the optical device stream continuity is determined.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.