Patents Represented by Attorney, Agent or Law Firm Roper & Quigg
  • Articulated hopper disposal system
    Patent number: 4989917
    Abstract: A method and apparatus for removing debris from a vehicular debris collection hopper and transferring it to a debris receptacle.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: February 5, 1991
    Assignee: Peabody Myers Corporation
    Inventor: Ronald L. Schmidt, Jr.
  • Plastic container for pressurized fluids
    Patent number: 4978015
    Abstract: A blow-molded plastic container having a body comprising a neck portion, a generally cylindrical sidewall portion and a bottom structure. The bottom structure comprises a central portion, a plurality of ribs extending downwardly from the bottle sidewall to the central portion, and a plurality of feet extending below the central portion from the sidewall portion. The ribs are defined by an upper curvilinear surface and, in cross-section are of an substantially U-shape having a relatively tight radius, the upper rib surfaces lying on a generally hemispherical curvature in the interior of said container.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: December 18, 1990
    Assignee: North American Container, Inc.
    Inventor: Larry D. Walker