Patents by Inventor Sergey Selin

Sergey Selin 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).

  • Ammonium nickel sulfate crystals
    Patent number: 6452189
    Abstract: Single crystals of (NH4)2Ni(SO4)2.6H2O represent an excellent material for filtering UV light and in an enclosed system will not deteriorate at temperatures as high as 125° C. They are particularly useful in solar-blind optical systems and sensing devices, which seek to identify the presence of UV light sources in the UV missile warning band.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: September 17, 2002
    Assignee: Inrad
    Inventors: Shai Livneh, Sergey Selin, Ilya Zwieback, Warren Ruderman