Patents by Inventor Allan J. Hegedus

Allan J. Hegedus 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).

  • Efflux viscosity cup
    Patent number: 4449394
    Abstract: This invention provides a rugged dip-type viscometer suitable for use in a rotogravure printing plant, for example. The capillary of the viscometer is joined to a protective collar and gives high precision measurements with inks that contain air. The protective collar is provided with one or more apertures to provide increased precision.
    Type: Grant
    Filed: February 26, 1982
    Date of Patent: May 22, 1984
    Assignee: Mobil Oil Corporation
    Inventor: Allan J. Hegedus
  • Efflux viscosity cup
    Patent number: 4400973
    Abstract: This invention provides a rugged dip-type viscometer suitable for use in a rotogravure printing plant, for example. The capillary of the viscometer is joined to a slotted protective collar and gives high precision measurements with inks that contain air.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: August 30, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Allan J. Hegedus