Patents Assigned to N.H.C., Inc.
  • Patent number: 4984560
    Abstract: A wood burning stove incorporates a catalytic cell for reducing exhaust emissions from the stove. A pair of heat shields are spaced from opposing surfaces of a combustor to exchange thermal radiation with the combustor. The combustor is oriented at an acute angle to enhance the combustor life. One of the heat shields also functions as a deflector for deflecting exhaust toward the combustor. A secondary air unit supplies secondary air to the vicinity of the combustor. A dynamic grate assembly is employed to prevent under firing of the firebox.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: January 15, 1991
    Assignee: N.H.C., Inc.
    Inventor: Gary M. Hazard
  • Patent number: 4862869
    Abstract: A wood burning stove incorporates a catalytic cell for reducing exhaust emissions from the stove. A pair of heat shields are spaced from opposing surfaces of a combustor to exchange thermal radiation with the combustor. The combustor is oriented at an acute angle to enhance the combustor life. One of the heat shields also functions as a deflector for deflecting exhaust toward the combustor. A secondary air unit supplies secondary air to the vicinity of the combustor. A dynamic grate assembly is employed to prevent under firing of the firebox.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: September 5, 1989
    Assignee: N.H.C., Inc.
    Inventor: Gary M. Hazard