Patents Assigned to Acorn Engineering
  • Fabricated floor drain with combination anchoring and seepage control flange
    Patent number: 4423527
    Abstract: A fabricated floor drain for waste reception. The drain has a receptor body having an outwardly extending top rim and a flange which extends outwardly about the entire exterior of the side walls of the body. The flange functions both to anchor the drain as well as to provide a seal for a water proof membrane. Seepage drain holes are positioned at the intersection of the flange and side walls.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 3, 1984
    Assignee: Acorn Engineering
    Inventors: Earl L. Morris, V. Walter Hafner