Patents by Inventor Eduardo Alva Sánchez

Eduardo Alva Sánchez 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).

  • Gas cylinder safety guard
    Patent number: D747438
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: January 12, 2016
    Assignee: SOLDADORAS INDUSTRIALES INFRA, S.A. DE C.V.
    Inventor: Eduardo Alva Sánchez
  • Safety helmet
    Patent number: D771321
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: November 8, 2016
    Assignee: SOLDADORAS INDUSTRIALES INFRA, S.A. DE C.V.
    Inventor: Eduardo Alva Sanchez
  • Industrial protection helmet with headband adjusted by a ratchet knob
    Patent number: D779127
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: February 14, 2017
    Assignee: SOLDADORAS INDUSTRIALES INFRA, S.A. DE C.V.
    Inventor: Eduardo Alva Sanchez
  • Industrial protection helmet with headband adjusted by pins
    Patent number: D782116
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: March 21, 2017
    Assignee: SOLDADORAS INDUSTRIALES INFRA, S.A. DE C.V.
    Inventor: Eduardo Alva Sanchez