Patents Examined by Wanda Millard
  • Liquid bearing for rotary apparatus
    Patent number: 4867878
    Abstract: A liquid bearing for use in rotary devices processing biological fluids is disclosed. The device has a stationary housing and a rotating cartridge. One end of the cartridge is rotatably connected to the housing. The other end is not directly connected to the housing, and, thus, is free to move laterally during rotation. The liquid bearing tends to recenter the free end of the cartridge during rotation.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: September 19, 1989
    Assignee: Membrex, Inc.
    Inventor: Michael S. Rashev
  • Oil filter unit and sealing device
    Patent number: 4507199
    Abstract: An oil filter sealing device adapted to seal and protect the oil circulation apertures and reinforcing plate of an oil filter unit, said sealing device comprising, as a unitary structure:(a) a flat, circular plate having an upper surface and a lower surface; and(b) a frictional attachment means centrally disposed on the lower surface of said flat, circular plate.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: March 26, 1985
    Inventor: Robert W. Carlisle