Patents by Inventor Roberto Castellanos

Roberto Castellanos 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).

  • MEMBRANE SEPARATION UNIT INCLUDING ENHANCED SEALING RING
    Publication number: 20170056827
    Abstract: Disclosed are a membrane separation unit including an enhanced sealing ring and a membrane separation unit including an enhanced sealing ring, which is more easily detachable as a top cross-section of a sealing ring is symmetrically formed.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 2, 2017
    Inventor: Roberto Castellanos
  • Container
    Patent number: D878913
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: March 24, 2020
    Assignee: KUSHCO HOLDINGS, INC.
    Inventors: Roberto Castellanos, Diana Malone
  • Container
    Patent number: D915205
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: April 6, 2021
    Assignee: Kush Bottles, Inc.
    Inventors: Roberto Castellanos, Diana Malone