Patent · US Expired

Magnetic strirrer for sample container

US4390283A · kind A · utility

35Cited by
17References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 1981
Grant dateJun 28, 1983
Priority date
Expiry dateJul 6, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F29/80
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A magnetic stirring arrangement for stirring sample material held within a cylindrical glass sample container for assay. A stirring element within the container is retained in a fixed orientation by an external magnetic field. The container and the contents thereof are rotated in place causing the container contents to be stirred by rotational motion around and past the fixed stirring element.

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