Patents by Inventor Albert M. Fontaine

Albert M. Fontaine 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).

  • Method of controlling the properties of a mixture
    Patent number: 4145143
    Abstract: A method for controlling the properties of a mixture of materials to which are added a liquid and at least one additive causing expansion during production by mixing, wherein the speed and the absolute value of the volumetric changes undergone by the mixture during the mixing operation are measured in continuous or intermittent manner, and the addition of said liquid and said at least one additive to said mixture is controlled as a function of these measurements and of previously established predetermined data.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: March 20, 1979
    Inventor: Albert M. Fontaine