Patents by Inventor Jacques Charles Louis Bunel

Jacques Charles Louis Bunel 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
  • Wire-type cutting machine
    Patent number: 3957028
    Abstract: A wire-type cutting machine comprising a continuously moving wire which is guided over rollers supported by a set of rigid arms in the form of a parallelogram. The wire is pressed against the workpiece by deformation of the parallelogram. Accurate control of the cutting force is achieved, and the wire is automatically released should it become stuck in the workpiece.
    Type: Grant
    Filed: June 25, 1974
    Date of Patent: May 18, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Jean-Yves Lesiourd, Jacques Charles Louis Bunel
  • Device for stirring a liquid
    Patent number: 3942770
    Abstract: A device for stirring a liquid having two cup-shaped elements coaxially mounted on the end of a shaft. Radial vanes extend between the two elements to define liquid flow passages, the liquid entering from a hole at the apex of the outer cup. The outlet end of each of the vanes is bent at approximately a right angle to the rest of the vane.
    Type: Grant
    Filed: June 19, 1974
    Date of Patent: March 9, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Christian Belouet, Jacques Charles Louis Bunel