Patents by Inventor Gerard Alexandre

Gerard Alexandre 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).

  • Low temperature and high pressure fluid flow calorimeter
    Patent number: 4738544
    Abstract: Flow calorimeter for fluids at low temperature and at high pressure essentially and which includes an electrical energy supply and two temperature sensors disposed within the fluid. The electrical energy supply includes a very tightly wound coil occupying an entire passage section of the pipe. The temperature measurements may be carried out by platinum sensors that are positioned at a predetermined distance in the pipe from the electric energy supply. Each temperature sensor can be dismantled and replaced separately.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: April 19, 1988
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Jean-Claude Setier, Gerard Alexandre, Rene Ladesbie