Patents by Inventor Jean-Claude Tranchart

Jean-Claude Tranchart 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).

  • Single crystal growth apparatus with fluid bearing and fluid drive means
    Patent number: 3966416
    Abstract: A driving device for slow movement vertically and rotationally comprises a cylindrical central member having the workload on the upper end, and the lower end on a thrust bearing on a float immersed in a liquid whose supply can be controlled for vertical displacement.Chambers insulated from each other, and supplied with compressed air, surround the central member. Nozzles in the chamber walls establish fluid bearings to self-center the central member and to rotate it.
    Type: Grant
    Filed: June 20, 1974
    Date of Patent: June 29, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Jean-Claude Tranchart, Jacques Charles Louis Bunel