Patents by Inventor Robert Zuk

Robert Zuk 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: 5160702
    Abstract: An analyzer with an improved rotor structure for analyzing solid-containing and solid free liquids having an improved rotor design that utilizes chambers and channels that operate by centrifugal force and capillary action to separate and meter the liquids for testing purposes.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: November 3, 1992
    Assignee: Molecular Devices Corporation
    Inventors: Anne R. Kopf-Sill, Robert Zuk
  • Patent number: 4945205
    Abstract: A device is disclosed for use in a chromatographic system wherein a component of a mixture is partitioned between a liquid phase and an immobile phase. The device comprises at least one strip of a bibulous material. In the chromatographic system the component traverses at least a portion of the strip. The strip generally has a longitudinal edge substantially corresponding to the direction of traverse of the component. The longitudinal edge has the characteristic of substantially the same rate of traversal by the component along this edge when compared to the rate of traversal of the component along the body of the strip. The strips are prepared from a sheet of a bibulous material by non-defomative or non-compressive cutting of the sheet. The preferred cutting means is a laser beam.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: July 31, 1990
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: David Litman, Robert Zuk, Gerald Rowley
  • Patent number: 4756828
    Abstract: A device is disclosed for use in a chromatographic system wherein a component of a mixture is partitioned between a liquid phase and an immobile phase. The device comprises at least one strip of a bibulous material. In the chromatographic system the component traverses at least a portion of the strip. The strip generally has a longitudinal edge substantially corresponding to the direction of traverse of the component. The longitudinal edge has the characteristic of substantially the same rate of traversal by the component along this edge when compared to the rate of traversal of the component along the body of the strip. The strips are prepared from a sheet of a bibulous material by non-deformative or non-compressive cutting of the sheet. The preferred cutting means is a laser beam.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: July 12, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: David Litman, Robert Zuk, Gerald Rowley