Patents by Inventor Ricardo Paredes-Galvan

Ricardo Paredes-Galvan 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: 4016746
    Abstract: The present invention refers to a system for measuring by means of sound the liter weight of clinker material which after heat drying in a rotation oven passes to the satellite cooler and it uses a sound level detector producing a graphic measurement of the sound produced by the material situated in the satellite cooler to display the liter weight of said material.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: April 12, 1977
    Inventor: Ricardo Paredes-Galvan