Patents by Inventor Abel Boinet

Abel Boinet 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).

  • Instrument for the continuous measurement of viscosity, especially of bitumens
    Patent number: 4165631
    Abstract: The instrument comprises a viscometer for a product such as bitumen and a pump for transferring the product to a flat wall-type heat exchanger. A channel formed in the heat exchanger wall is brought to an adjustable temperature and the channel output is connected to the viscometer. A probe for measuring the temperature of the product is placed within the viscometer, the temperature being adjusted to an index value within a predetermined range by means of a regulator for varying the pump output and controlling the temperature of the heat-exchanger wall.
    Type: Grant
    Filed: April 28, 1978
    Date of Patent: August 28, 1979
    Assignee: Elf-Union
    Inventors: Abel Boinet, Lucien Mondeil, Jean-Louis Montay