Patents by Inventor Luis Hernandez Martinez-Portillo

Luis Hernandez Martinez-Portillo 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).

  • Metatarsal protection for safety footwear
    Publication number: 20050178027
    Abstract: It is constituted on the basis of a tongue (1) which is conveniently attached to the boot, which is divided into a number of sectors (3), in which are some receptacles (5) which hold sheets (6) of material resistant to impact and ductile in order to facilitate the adaptation thereof to the form of the boot when closed. The sectors (3) are delimited by some lines of stitching (4) which facilitate the relative inclination between sectors (3) and therefore the articulation of the tongue (1) when the boot is flexed achieving greater user comfort.
    Type: Application
    Filed: September 28, 2004
    Publication date: August 18, 2005
    Applicant: CALZADOS ROBUSTA, S.L.
    Inventors: Luis Hernandez Martinez-Portillo, Adelardo Arechavaleta Garcia