Patents by Inventor Andrzej M. Wala

Andrzej M. Wala 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).

  • Blowing curtain face ventilation system for extended cut mining using passive regulator
    Patent number: 10900357
    Abstract: A ventilation system for an underground mine includes a blowing curtain, a passive regulator in a shape of an airfoil and an airflow ventilation source. The passive regulator is positioned in the air path adjacent a discharge end of the blowing curtain.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: January 26, 2021
    Assignee: UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION
    Inventors: Andrzej M. Wala, Todor P. Petrov
  • BLOWING CURTAIN FACE VENTILATION SYSTEM FOR EXTENDED CUT MINING USING PASSIVE REGULATOR
    Publication number: 20140329453
    Abstract: A ventilation system for an underground mine includes a blowing curtain, a passive regulator in a shape of an airfoil and an airflow ventilation source. The passive regulator is positioned in the air path adjacent a discharge end of the blowing curtain.
    Type: Application
    Filed: May 1, 2014
    Publication date: November 6, 2014
    Applicant: University of Kentucky Research Foundation
    Inventors: Andrzej M. Wala, Todor P. Petrov