Patents by Inventor Ignacio Z. Umerez

Ignacio Z. Umerez 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).

  • Battery couplings to portable signals with long periods out of service
    Patent number: 4857885
    Abstract: In the zone of coupling between the reflector body and the battery body of the signal, the general switch is accommodated, and connected with it is a displaceable element that follows the operating motion of said switch, so that when the latter is in the on position, the displaceable element opens the vents of the battery situated on the upper face of same, and vice versa.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: August 15, 1989
    Assignee: Celaya, Emparanza y Galdos, S.A. (Cegasa)
    Inventor: Ignacio Z. Umerez