Patents by Inventor Alaa RABAH

Alaa RABAH 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: 10851901
    Abstract: A stream switching valve for alternatively feeding two fluids to an object of interest comprises a housing having first, second and third cavities, first, second and third ball members sealably placeable into said first, second and third cavities, first and second inlet passages being in fluid communication with said first and second cavities, an outlet passage being in fluid communication with said third cavity; said outlet passage connectable to an object of interest; first and second intermediate passages fluidly connecting said first and second cavities to said third cavity, first, second and third vent passages fluidly connecting said into first, second and third cavities to environment. The first and second ball members are configured to connect said first and second intermediate passages to first and second inlet passages and first and second vent passages, respectively, in turn.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: December 1, 2020
    Assignee: HAM-LET (ISRAEL—CANADA) LTD.
    Inventors: Tuvia Liberman, Felix Shestatski, Alaa Rabah, Boris Margol, Sergey Seryogin
  • Publication number: 20190063625
    Abstract: A stream switching valve for alternatively feeding two fluids to an object of interest comprises a housing having first, second and third cavities, first, second and third ball members sealably placeable into said first, second and third cavities, first and second inlet passages being in fluid communication with said first and second cavities, an outlet passage being in fluid communication with said third cavity; said outlet passage connectable to an object of interest; first and second intermediate passages fluidly connecting said first and second cavities to said third cavity, first, second and third vent passages fluidly connecting said into first, second and third cavities to environment. The first and second ball members are configured to connect said first and second intermediate passages to first and second inlet passages and first and second vent passages, respectively, in turn.
    Type: Application
    Filed: January 17, 2017
    Publication date: February 28, 2019
    Inventors: Tuvia LIBERMAN, Felix SHESTATSKI, Alaa RABAH, Boris MARGOL, Sergey SERYOGIN