Patents by Inventor Duane McLennan

Duane McLennan 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).

  • Single duct silencing terminal unit
    Patent number: 7806228
    Abstract: An apparatus and method for attenuating the sound generated by a single duct terminal unit in an HVAC (heating, ventilating, and air conditioning) system. The apparatus utilizes internal geometry to minimize noise due to air disturbances and aerodynamic effects within the apparatus.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: October 5, 2010
    Assignee: E.H. Price Ltd.
    Inventors: Alfred Theodor Dyck, Duane McLennan, James William Patterson, Johann Joel Emile Baetsen, Bogna Gryc
  • Fan powered silencing terminal unit
    Patent number: 7806229
    Abstract: An apparatus and method for attenuating the sound generated by a fan powered terminal unit in an HVAC (heating, ventilating, and air conditioning) system. The apparatus utilizes internal geometry to minimize noise due to air disturbances and aerodynamic effects within the apparatus.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: October 5, 2010
    Assignee: E.H. Price Ltd.
    Inventors: Alfred Theodor Dyck, Duane McLennan, James William Patterson, Johann Joel Emile Baetsen, Bogna Gryc
  • Fan Powered Silencing Terminal Unit
    Publication number: 20080271945
    Abstract: An apparatus and method for attenuating the sound generated by a fan powered terminal unit in an HVAC (heating, ventilating, and air conditioning) system. The apparatus utilizes internal geometry to minimize noise due to air disturbances and aerodynamic effects within the apparatus.
    Type: Application
    Filed: March 13, 2008
    Publication date: November 6, 2008
    Inventors: Alfred Theodor Dyck, Duane McLennan, James William Patterson, Johann Joel Emile Baetsen, Bogna Gryc
  • Single Duct Silencing Terminal Unit
    Publication number: 20080223652
    Abstract: An apparatus and method for attenuating the sound generated by a single duct terminal unit in an HVAC (heating, ventilating, and air conditioning) system. The apparatus utilizes internal geometry to minimize noise due to air disturbances and aerodynamic effects within the apparatus.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 18, 2008
    Inventors: Alfred Theodor Dyck, Duane McLennan, James William Patterson, Johann Joel Emile Baetsen, Bogna Grye
  • Air Column for Under Floor Heating and Cooling System
    Publication number: 20080070493
    Abstract: An air column for an under floor heating and cooling system in which the fan wheel of the plenum fan is located at the bottom of the air column enclosure and is radially aligned with the inlet to the under floor air plenum.
    Type: Application
    Filed: September 10, 2007
    Publication date: March 20, 2008
    Inventors: Julian Rimmer, James Patterson, Duane McLennan, Tim Simcoe