Patents by Inventor Philippe Georges Locher

Philippe Georges Locher 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).

  • System for registration of a fluid level in a receptacle
    Patent number: 6554381
    Abstract: A system is provided for registration of a fluid level of a fluid in the fluid chamber of an invention-specific receptacle (1), in particular of ink in an ink cartridge, with a light source (11) which beams into the chamber of the receptacle, a reflection body (2) which is designed as a float, which moves in the chamber of the receptacle in dependency upon the filling level of the fluid and which variably reflects the light in dependency upon its movement, and a light detector (10) which receives a variable amount of light.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: April 29, 2003
    Assignee: Pelikan Produktions AG
    Inventors: Philippe Georges Locher, Markus Bürgin, Joachim Kretschmer
  • System for registration of a fluid level in a receptacle
    Publication number: 20020005869
    Abstract: A system is provided for registration of a fluid level of a fluid in the fluid chamber of an invention-specific receptacle (1), in particular of ink in an ink cartridge, with a light source (11) which beams into the chamber of the receptacle, a reflection body (2) which is designed as a float, which moves in the chamber of the receptacle in dependency upon the filling level of the fluid and which variably reflects the light in dependency upon its movement, and a light detector (10) which receives a variable amount of light.
    Type: Application
    Filed: April 17, 2001
    Publication date: January 17, 2002
    Inventors: Philippe Georges Locher, Markus Burgin, Joachim Kretschmer