Patents by Inventor Evan KRIEGER

Evan KRIEGER 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: 11741595
    Abstract: A drug screening system and methods of using the same are disclosed. The drug screening system identifies and highlights drugs or other contraband substances enclosed within mailpieces based on score imagery computed from selected wavelengths based on chemical signatures. A wide-field, multispectral short-wave infrared imaging system allows for dissolved, concealed drug screening of mailpieces that improve inspection efficiency and accuracy.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: August 29, 2023
    Assignee: CHEMIMAGE CORPORATION
    Inventors: Jihang Wang, Evan Krieger, Rick Beideman, Lucas P. Zbur
  • Publication number: 20210334954
    Abstract: A drug screening system and methods of using the same are disclosed. The drug screening system identifies and highlights drugs or other contraband substances enclosed within mailpieces based on score imagery computed from selected wavelengths based on chemical signatures. A wide-field, multispectral short-wave infrared imaging system allows for dissolved, concealed drug screening of mailpieces that improve inspection efficiency and accuracy.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 28, 2021
    Inventors: Jihang WANG, Evan KRIEGER, Rick BEIDEMAN, Lucas P. ZBUR