Patents by Inventor Eric I. Gruenstein

Eric I. Gruenstein 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).

  • Patent number: 4649967
    Abstract: Apparatuses and methods directed to transferring fluid from a supply container to a plurality of uptake containers are disclosed utilizing a common vacuum bore in communication with a plurality of channels adapted to receive the uptake containers for drawing vacuum in the uptake containers for delivery of fluid into the uptake containers. The apparatuses and methods further contemplate transferring a plurality of individual fluid samples, each contained in its own supply container, to a plurality of corresponding individual uptake containers in a one-to-one isomorphic displacement. Thus, the apparatuses and methods of this invention are capable of handling a large number of individual fluid samples in the shortest time possible without contaminating the homogeneity of the individual fluid samples being transferred. Additionally, the apparatuses and methods of this invention contemplate transferring fluid into a large number of samples in the shortest time possible.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: March 17, 1987
    Assignee: University of Cincinnati
    Inventors: Eric I. Gruenstein, Richard T. Turner