Patent ID: 6905331

Claim:
A gas burner comprising, in combination: a nozzle, an igniter installed in the nozzle; a shell in the form of a tube; and a laminate catalytic device mounted on the nozzle, with the laminate catalytic device including first, second and third catalytic nets and first and second separators in the form of a ring having an inner diameter, with the catalytic nets having a size greater than the inner diameters of the separators, with the first separator sandwiched between and separating the first and second catalytic nets and the second separator sandwiched between and separating the second and third catalytic nets, with the shell receiving the laminate catalytic device and the nozzle, with the third catalytic net being sandwiched between the shell and the second separator and the first catalytic net being sandwiched between the nozzle and the first separator whereby the shell retains the laminate catalytic device on the nozzle.