Patents by Inventor Tor Erling Lea

Tor Erling Lea has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for magnetically separating and resuspending super-paramagnetic particles in a solution
    Patent number: 5681478
    Abstract: Superparamagnetic particles are separated from a suspension thereof in a first fluid and re-suspended in the same or another fluid in a container by subjecting them to a first application of a magnetic field to draw the particles to a surface or zone of the container and subsequently re-suspending the particles in the fluid within the container by a second application of a magnetic field. Apparatus is disclosed including a container (1), electromagnets (2,3) for producing the first and second applications of magnetic fields, reagent receptacles (7), and a wash flask (8). A particle counting device may also provided and such apparatus may be used to count cells.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: October 28, 1997
    Assignee: Diatec Instruments A/S
    Inventors: Tor Erling Lea, Bj.o slashed.rn Kirkaas Pedersen, Harald Kristian Naess