Patents by Inventor Itzhak Orlans

Itzhak Orlans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fluid filtering device
    Patent number: 4692247
    Abstract: An annular filter disc for use in a fluid filtering device and being of crenellated shape having outwardly directed bay portions alternating with inwardly directed projecting portions, the latter having edges substantially located on a circular envelope substantially concentric with the disc.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: September 8, 1987
    Assignee: Amiad Sinun Vehashkaya
    Inventor: Itzhak Orlans
  • Annular filter disc
    Patent number: 4690761
    Abstract: An improved annular filter disc for use in a tubular filter stack of the kind, wherein filtration takes place by causing the liquid to be filtered to pass through the filter stack, wherein the disc is formed with a plurality of angularly spaced apart, springy spacer projections.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: September 1, 1987
    Assignee: Amida Sinun Vehashkaya
    Inventor: Itzhak Orlans