Patents by Inventor Eugene Greck

Eugene Greck 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).

  • Leak-resistant drum seals
    Patent number: 4706836
    Abstract: Leaks of hazardous materials that are toxic by inhalation are resisted from shipping drums of substantial capacity by an improved drum seal which resists rotation of a plug relative to an overcap which is locked onto the plug.
    Type: Grant
    Filed: January 23, 1987
    Date of Patent: November 17, 1987
    Assignee: Allen-Stevens Drum Accessories Corp.
    Inventor: Eugene Greck
  • Side outlet portable container unloader
    Patent number: 4310106
    Abstract: An unloader for portable containers including tension hanger arms suspending a vibratory support from a fixed support and pivotally connected to each support to limit the vibratory motion to horizontal, reciprocal, rectilinear motion. For side outlet portable containers, the vibratory support includes a first frame portion inclined relative to the horizontal and a second frame portion, with a discharge orifice, extending perpendicular from the lower horizontal edge of the first frame portion.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: January 12, 1982
    Assignee: Vibra Screw, Incorporated
    Inventors: Eugene Greck, Eugene A. Wahl, Richard C. Wahl