Patents by Inventor Johan Llljha

Johan Llljha 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).

  • Measuring method and system and use of the method and system
    Publication number: 20030184754
    Abstract: The invention relates to a method for optical measuring of the solid substance content in a fluid. Said method uses periodical flushing of an optical sensor (1) with a combination of pressurized air and water in the form of a jet. Said jet exerts a very powerful cleaning effect without causing scratches on measuring surfaces of glass or similar materials. The invention also relates to a system for performing such flushing in connection with measuring.
    Type: Application
    Filed: March 21, 2003
    Publication date: October 2, 2003
    Inventors: Sven Bernhardsson, Johan Llljha, Leif Pellas