Patents Assigned to NORTHWEST METTECH CORP.
  • INJECTOR FOR PLASMA SPRAY TORCHES
    Publication number: 20130098880
    Abstract: A liquid-in-gas injector tube in which the diameter of the inner liquid-bearing tube within the gas-transmitting tube is reduced adjacent the outlet end of the injector. Clogging may be further reduced by adding vanes to the outer surface of the inner liquid-bearing tube within the gas-transmitting tube to impart swirling or otherwise focus the flow of gas at the exit of the injector tube.
    Type: Application
    Filed: August 31, 2012
    Publication date: April 25, 2013
    Applicant: NORTHWEST METTECH CORP.
    Inventors: Alexander Korolev, Zbigniew Celler
  • METHOD AND SYSTEM FOR PRODUCING COATINGS FROM LIQUID FEEDSTOCK USING AXIAL FEED
    Publication number: 20110237421
    Abstract: The present invention provides a system for producing coatings on a substrate from a liquid feedstock. The system comprises an axial injection thermal spray torch and a liquid feedstock delivery means for delivering a controlled flow of liquid feedstock to the torch. The torch is provided with a convergent/divergent nozzle.
    Type: Application
    Filed: May 29, 2009
    Publication date: September 29, 2011
    Applicant: NORTHWEST METTECH CORP.
    Inventors: Alan William Burgess, Philip Maxime Hartell, Christopher S.M. Davidson, Zhaolin Tang