Patents by Inventor Semyon Fishgal

Semyon Fishgal 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).

  • Contaminants breaking and separation
    Patent number: 4640466
    Abstract: A nozzle with a stand-off plate is incorporated in a hydrocyclone to break-down and remove contaminants existing within a liquid medium, said plate sloping towards the nozzle and abutting upon a cylinder forming the hydrocyclone.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: February 3, 1987
    Inventor: Semyon Fishgal
  • Contaminants filtering and breaking
    Patent number: 4625923
    Abstract: A nozzle with a stand-off plate is incorporated in a filter to remove and break-down contaminants existing within a liquid medium, said filter being represented by a collar with a plurality of minor openings or by a spring.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: December 2, 1986
    Inventor: Semyon Fishgal