Patent · US Expired

Drop former utilizing gas pressure

US4142656A · kind A · utility

23Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1976
Grant dateMar 6, 1979
Priority date
Expiry dateDec 17, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L3/0262
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Apparatus is disclosed for drop-by-drop metering of fluids, especially biological fluids. A metering head, connected to a pressure generating means, is adapted to be selectively moved into fluid communication with a sample cup through which the fluid is metered.

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