Patents Assigned to Aeration Engineering Resources
  • Composite diffuser assembly
    Patent number: 4865778
    Abstract: A porous, rigid diffuser assembly formed by securing a porous diffuser element to a plastic baseplate along a limited-zone perimeter by temporarily rendering the baseplate semi-plastic, pressing these elements together so that the plastic is pressed into the exposed pores of the diffuser element, then hardening the baseplate to form a combined mechanical and airtight bond.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: September 12, 1989
    Assignee: Aeration Engineering Resources
    Inventor: David A. Leidel