Patents Represented by Law Firm Whyte & Hirschboeck S.C.
  • Patent number: 5195883
    Abstract: Flue gas is captured from an emissions stack and recirculated to a burner by an induced flue gas recirculation system comprising: a mixing assembly for mixing combustion air and recirculated flue gas into a substantially homogeneous mix; a burner assembly for mixing and combusting the combustible mix with a fuel to produce a flue gas; an injection assembly, connected to and downstream from the mixing assembly and connected to and upstream from the burner assembly, for receiving the combustible mix from the mixing assembly and injecting it with the combustible fuel into the burner assembly; a combustion chamber connected to and downstream of the burner assembly for containing the combustible mix and flue gas; an emissions stack connected to and downstream from the combustion chamber for venting the flue gas from the combustion chamber; recirculating means for recirculating a portion of the flue gas from the emissions stack to the mixing assembly; and a purge assembly connected to the recirculating means for re
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: March 23, 1993
    Assignee: Aqua-Chem, Inc.
    Inventors: Terrance B. Hanna, Robert K. Black
  • Patent number: 5186159
    Abstract: A gas-fired barbecue grill with an improved fuel gauge assembly, molded workshelf and a two-part grill head assembly including a stationary upper enclosure supported between upright stanchions and a lower enclosure drawer for supporting and retaining a burner unit.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: February 16, 1993
    Assignee: Arkla Products Company
    Inventors: Harvey L. Crow, Jr., Charles W. Krosp