Patents by Inventor Philippe Ory

Philippe Ory 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).

  • Process and device for measuring the level of the free surface of a liquid
    Patent number: 4825383
    Abstract: The invention belongs to the field of dimensional metrology. The process according to the invention makes use of a hot wire sensor (1) passing through the free surface of the liquid. The wire is heated by a joule effect up to a temperature To. The supply to the wire is then interrupted for a predetermined time interval .tau.. The current passing through the wire at the two instants forming the bounds of this interval is determined by means of an A/D converter (3) which feeds a control and computing unit (4). From these current measurements this unit derives a value which represents the liquid level.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: April 25, 1989
    Assignee: Bendix Electronics S.A.
    Inventor: Philippe Ory