Patents by Inventor Gilbert Parrain

Gilbert Parrain 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).

  • Sensor for measuring the embrittlement of steels by hydrogen in an aggressive environment, said sensor comprising a metal cavity connected to a pressure-measuring device
    Patent number: 11105729
    Abstract: The present invention is a sensor for measuring a risk of hydrogen embrittlement of industrial equipment including a metallic wall in a reactor or in a pipeline comprising a body having a closed cavity including an end containing a pressure sensor which measures pressure within the closed cavity, the metallic wall having a wall thickness measured between inner and outer surfaces thereof, and wherein a ratio of thickness of the metallic wall to thickness of the industrial equipment ranges from 1/3 to 1/10.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: August 31, 2021
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Jean Kittel, Gilbert Parrain, Christian Boudou
  • SENSOR FOR MEASURING THE EMBRITTLEMENT OF STEELS BY HYDROGEN IN AN AGGRESSIVE ENVIRONMENT, SAID SENSOR COMPRISING A METAL CAVITY CONNECTED TO A PRESSURE- MEASURING DEVICE
    Publication number: 20200256786
    Abstract: The present invention is sensor device for assessing risk of hydrogen embrittlement for a given metal in an aggressive environment promoting the penetration of hydrogen into the metal. The sensor is constituted by a metal body comprising a closed cavity connected to a device for measuring pressure.
    Type: Application
    Filed: October 20, 2016
    Publication date: August 13, 2020
    Inventors: Jean KITTEL, Gilbert PARRAIN, Christian BOUDOU
  • Expanded materials with nadimide resin base
    Patent number: 5036111
    Abstract: Expanded material obtained by heating a composition comprising at least one hermosetting nadimide resin, said heating being performed at a temperature and during a period which are sufficient to cause the expansion of said composition by release of cyclopentadiene. A nadimide resin of the polyimide type and having a number average molecular weight of 600 to 10,000 is preferably used. The composition further comprises preferably 1% to 50% by weight of a linear, preferably thermostable polymer.
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: July 30, 1991
    Assignee: Centre D'Etude des Materiaux Organiques pour Technologies Avancees
    Inventors: Michel Senneron, Gilbert Parrain, Guy Rabilloud, Bernard Sillion