Patent · US Expired

Automatic pipettor employing an adjustable volume delivery pump

US4372175A · kind A · utility

2Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 29, 1980
Grant dateFeb 8, 1983
Priority date
Expiry dateDec 29, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F11/023
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Pipettor apparatus for dispensing accurate and precise amounts of liquid employs a first pump having a delivery capacity sufficient to handle substantially all of the liquid to be dispersed and a second pump whose delivery capacity is adjustable and only a fraction of the capacity of the first pump.

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