Patents by Inventor Marvin C. Ziskin

Marvin C. Ziskin 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).

  • Apparatus and method of gradient convection vortex fluid mixing and pumping
    Patent number: 5823676
    Abstract: A method of creating a torroidal type convection vortex in a predetermined region of a liquid to perform mixing and pumping is disclosed. This method comprises the local application of a source of energy to a predetermined region of the liquid, which absorbs the energy and produces a temperature gradient sufficient to create a stable, pulsed, or unstable torroidal type vortex in the liquid. Preferably the liquid utilized is an aqueous solution and the source of energy locally applied to the aqueous solution is millimeter wavelengths of electromagnetic radiation. By taking advantage of the creation of a torroidal type convection vortex, this method can be utilized to create a fluid mixer or a fluid pump.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: October 20, 1998
    Assignee: Technology SG, L.P.
    Inventors: Evgueni Khijniak, Marvin C. Ziskin
  • Medical examination table with probe holder
    Patent number: 4866998
    Abstract: A method of predicting the occurrence of deep vein thrombosis after a surgical procedure comprises monitoring changes in the internal diameter of a blood vessel using a non-invasive ultrasound technique. The frequency and magnitude of changes in vessel diameter are used to predict whether deep vein thrombosis will occur.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: September 19, 1989
    Assignee: Temple University of the Commonwealth System of Higher Education
    Inventors: Gwendolyn J. Stewart, Marvin C. Ziskin, Charles M. Philips, Philip D. Alburger, John W. Lachman, Donald W. Manuel, Michael R. Troisi
  • Method of predicting the occurrence of deep vein thrombosis by non-invasive measurement of vessel diameter
    Patent number: 4721113
    Abstract: A method of predicting the occurrence of deep vein thrombosis after a surgical procedure comprises monitoring changes in the internal diameter of a blood vessel using a non-invasive ultrasound technique. The frequency and magnitude of changes in vessel diameter are used to predict whether deep vein thrombosis will occur.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: January 26, 1988
    Assignee: Temple University of the Commonwealth System of Higher Education
    Inventors: Gwendolyn J. Stewart, Marvin C. Ziskin, Charles M. Philips, Philip D. Alburger, John W. Lachman