Patents by Inventor George J. Doellgast

George J. Doellgast 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).

  • Microtiter plate washer
    Patent number: 5078164
    Abstract: A microtiter plate washer comprising multiple upward-directed nozzles, each nozzle comprising a body member with an internal cavity and an orifice; fluid distribution means capable of connecting an external reservoir of liquid or gas to the internal cavity of the nozzles; and clamping means for engaging the nozzles to the fluid distribution means.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: January 7, 1992
    Assignee: Elcatech, Inc.
    Inventor: George J. Doellgast
  • Fibrinolytic assay
    Patent number: 5071745
    Abstract: Assays and reagents for the determination of factors involved in fibrinolysis, wherein the assays involve the measurement of detectably labelled fibrin products which are released after digestion of a labelled fibrin complex prepared by adding soluble fibrinogen to solid-phase fibrinogen in the presence of thrombin, at least one of the fibrinogens being labelled. The label is preferably an enzyme label.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: December 10, 1991
    Assignee: Elcatech, Inc.
    Inventors: Mark X. Triscott, George J. Doellgast
  • Detecting blood clotting factors with immobilized fibrinogen and labeled fibrinogen
    Patent number: 4668621
    Abstract: Assays and reagents for the direct determination of blood factors, as well as complementary methods and reagents for determining such blood factors and haptens, antigens and receptors. The methods involve clot formation due to thrombin activated fibrin formation from insolubilized fibrogen and labeled solubilized fibrogen. Insolubilized label can be determined prior to or after clot formation.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: May 26, 1987
    Assignee: Wake Forest University
    Inventor: George J. Doellgast