Patents by Inventor Paul L. Silva

Paul L. Silva 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).

  • Method for removing a portion of a coating by liquid jets
    Patent number: 5413270
    Abstract: A method for removing a portion of a coating disposed on a plate, in which a nozzle having a wide jet is first utilized to remove most of the material of the portion to be removed. Successively or concurrently therewith, at least one fine jet nozzle is utilized to cut the contour of the portion of the coating being removed. The method is particularly advantageous for removing deposits of a plasma deposition, and more particularly for deposits which resist a diffusion welding or soldering of plates or substrates with one another.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: May 9, 1995
    Assignee: Societe Nationale D'Etude et de Construction de Moteurs D'Aviation "SNECMA"
    Inventors: Pierre M. S. Lechervy, Paul L. Silva