Patents by Inventor Murilo Kulczynski Alvares

Murilo Kulczynski Alvares 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).

  • Variable shape surround device for a high excursion speaker drive
    Patent number: 11051102
    Abstract: The present invention provides methods and systems for a surround device that includes a generally circular arcuate portion that contains a first side and a second side, a first planar portion extends from the first side and a second planar portion extends from the second side, a plurality of outwardly facing ribs are disposed on the first side, and a plurality of inwardly facing ribs are disposed on the second side.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: June 29, 2021
    Inventors: Jacob Aaron Fuller, Murilo Kulczynski Alvares