Patents by Inventor Donald Louis MURRAY

Donald Louis MURRAY 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).

  • Method and mechanical press system for the generation of densified cylindrical briquettes
    Patent number: 8726800
    Abstract: A method for preparing a pressed article comprises providing a first and a second pressing ram in a compression chamber; supplying biomass particles in the chamber closing the chamber; extending the first pressing ram; displacing the biomass particles with the first pressing ram towards the second pressing ram; detecting abutment of the biomass particles on the second pressing ram; applying pressure to the biomass particles with the first pressing ram and with the second pressing ram detecting a pressure applied to match a predetermined pressure and continuing to extend the first and the second pressing ram until a predetermined time at the matched compression pressure has elapsed; stopping the extension of the second pressing ram when a predetermined extension length is reached; continuing to extend the first pressing ram until a predetermined additional time has elapsed after the stopping; ejecting a pressed article.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: May 20, 2014
    Assignee: 9177-4331 Québec inc.
    Inventors: Donald Louis Murray, Guy Côté
  • METHOD AND MECHANICAL PRESS SYSTEM FOR THE GENERATION OF DENSIFIED CYLINDRICAL BRIQUETTES
    Publication number: 20120042793
    Abstract: A method and a press for preparing a pressed article from compressible and cohesive biomass particles are provided.
    Type: Application
    Filed: August 22, 2011
    Publication date: February 23, 2012
    Inventors: Donald Louis MURRAY, Guy CÔTÉ