Patents Assigned to Universal Filter Italiana S.p.A.
  • Disposable oil filter unit with triple filtration
    Patent number: 4950400
    Abstract: A disposable oil filter unit with triple filtration characterized by comprising, within a closed cup-shaped container (1), two filter cartridges (3) and (2) which filter radially from the outside towards the center and are disposed in parallel with regard to the traversing oil flow, and of which the first filter cartridge (3), which is of finer porosity, is surrounded by a third concentric cartridge (33) disposed in series with filter cartridge and having a coarser porosity than the second cartridge.
    Type: Grant
    Filed: March 24, 1989
    Date of Patent: August 21, 1990
    Assignee: Universal Filter Italiana S.p.A.
    Inventor: Giorgio Girondi