Patents by Inventor Mark Loren

Mark Loren 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 removing foreign matter from a flow cell of a particle study device
    Patent number: 4564803
    Abstract: A method and apparatus for removing foreign matter, including debris and deposits and air bubbles from a flow cell of a particle study device. The apparatus includes a chamber with an aperture containing unit at one end and sample and sheath introduction mechanisms at the other end to supply respectively, a sample suspension of particles and a particle free liquid. The chamber has a waste orifice positionally disposed to provide a turbulent flow of particle free liquid within the chamber upon simultaneous injection and exhaustion of the particle free liquid into and out of, respectively, the sheath introduction mechanism and the waste orifice, to remove any air bubbles in the chamber and its adjacent aperture area.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: January 14, 1986
    Assignee: Coulter Corporation
    Inventors: Mark Loren, Raul I. Pedroso