Patents by Inventor Somchai Sahachaisere

Somchai Sahachaisere 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).

  • Patent number: 4537681
    Abstract: A cartridge fluid filter includes a housing within which are positioned annular, concentrically mounted filter elements that are held together in relative position by first and second end caps to define a gap between the filter elements. A filter core is positioned within the gap that communicates with an outlet defined in the first end cap. An annular reinforcing disc is mounted in the first end cap to support the end cap around the outlet.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: August 27, 1985
    Assignee: Sta-Rite Industries, Inc.
    Inventors: George D. Argiropoulos, Somchai Sahachaisere