Patents by Inventor Carlos Augusto Valdes

Carlos Augusto Valdes 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).

  • Production of binary shape-memory alloy films by sputtering using a hot pressed target
    Patent number: 6358380
    Abstract: A method for producing thin film deposits of binary shape-memory alloys using an ion sputtering deposition process comprising using a hot pressed metal powder composition target.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: March 19, 2002
    Assignee: Delphi Technologies, Inc.
    Inventors: Gamdur Singh Mann, Carlos Augusto Valdes, Terry Jack Gold, Jinping Zhang, Fenglian Chang, Gregory Keller Rasmussen
  • Titania exhaust gas oxygen sensor
    Patent number: 5776601
    Abstract: A titania exhaust gas oxygen sensor including an alumina substrate, thin-film electrodes deposited thereon, and a thick-film titania layer deposited atop the electrodes. The electrodes comprise a noble metal (e.g., platinum) having a plurality of titania particles dispersed throughout for promoting bonding to the titania, resistive layer when the titania layer is fired.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: July 7, 1998
    Assignee: General Motors Corporation
    Inventors: Robert Gregory Fournier, Kailash Chandra Jain, Carlos Augusto Valdes