Patents by Inventor Alexander Cepeda Rojas

Alexander Cepeda Rojas 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).

  • Cathode edge support device for a remote identifier in electro-winning and electro-refining process
    Patent number: 7678247
    Abstract: A device that supports a remote identifier for permanent cathodes in the electro-winning process. A preferred embodiment of the invention provides a support for a proximity identification device for permanent cathodes that, when interconnected with a remote system, provides for a record of its behavior and position in time of each cathode during its useful life in an electro-winning process.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: March 16, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Mauricio Ribes Fernandez, Hernan Conejeros Obreque, Alexander Cepeda Rojas
  • Cathode Edge Support Device for a Remote Identifier In Electro-Winning and Electro-Refining Process
    Publication number: 20080023323
    Abstract: A device that supports a remote identifier for permanent cathodes in the electro-winning process. A preferred embodiment of the invention provides a support for a proximity identification device for petmanent cathodes that, when interconnected with a remote system, provides for a record of its behavior and position in time of each cathode during its useful life in an electro-winning process.
    Type: Application
    Filed: November 12, 2004
    Publication date: January 31, 2008
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Mauricio Ribes Fernandez, Hernan Conejeros Obreque, Alexander Cepeda Rojas