Patents by Inventor Philippe Rolland

Philippe Rolland 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).

  • Management of Digital Files
    Publication number: 20120185519
    Abstract: The invention proposes a process for managing digital files wherein a file is organized into content data and file attribute data separate from the content data, and wherein the attribute data comprise a first location datum representing a location of a device that created the file at the moment the file was created and/or a second location datum representing a location of a device that modified the file at the moment the modification was saved.
    Type: Application
    Filed: September 30, 2010
    Publication date: July 19, 2012
    Applicant: ST-Ericsson SA
    Inventor: Philippe Rolland
  • Vortex flow rate measuring device
    Patent number: 4342232
    Abstract: A flowmeter comprises a chamber having a rotational symmetry about an axis, provided with a tangential fluid inlet and an axial outlet. The outlet and inlet means cooperate for generating a vortex upon circulation of fluid through the chamber; a speed detector comprises at least one transmitting thermo-element and one receiving thermo-element angularly spaced about the said axis and located in a zone where the circumferential speed of the vortex is proportional to the flow rate.
    Type: Grant
    Filed: October 16, 1980
    Date of Patent: August 3, 1982
    Assignee: Societe pour l'Equipement de Vehicules (S.E.V.)
    Inventors: Pierre Calvet, Gil Ching, Philippe Rolland