Patents by Inventor Gilbert Bourrin

Gilbert Bourrin 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).

  • Antifriction materials
    Patent number: 4226762
    Abstract: A process for making an anti-friction material consisting of mixing between about 68 per cent and 84 per cent by weight of a plastic material in powdered form with between about 12 per cent and 28 per cent by weight of glass micro-globules with a grain size from 1 to 44.mu. and a density of 1.45 kg/l, and an antistatic material, and then in heating this mixture at high pressure.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: October 7, 1980
    Assignee: Cestidur
    Inventor: Gilbert Bourrin