1
David W Collier: Single-ended recuperative radiant tube assembly and method. W B Combustion, Dressler Goldsmith Shore Sutker & Milnamow, August 30, 1983: US04401099 (157 worldwide citation)

A single-ended recuperative radiant tube assembly for increasing the efficiency of a combustion furnace system by using less fuel input per heat output than conventional systems. The single-ended recuperative radiant tube assembly has inner and outer recuperator tube assemblies positioned in a count ...


2
David W Collier: Recuperative radiant tube heating system. Eclipse, Leydig Voit & Mayer, November 10, 1987: US04705022 (21 worldwide citation)

A recuperative radiant tube heating system in which a recuperator tube telescoped into a radiant tube and over a burner assembly is formed as three interconnected sections to facilitate manufacture of the recuperator tube, to facilitate assembly of the recuperator tube with the burner head of the bu ...


3
David W Collier: Plug-in recuperator and method. W B Combustion, Dressler Goldsmith Shore Sutker & Milnamow, January 12, 1982: US04310303 (19 worldwide citation)

An internal plug-in recuperator positioned within the exhaust assembly of a furnace for increasing the efficiency of a combustion furnace system by using less fuel input per heat output than conventional systems. Hot exhaust gases flowing within the exhaust assembly heat ambient air are directed thr ...


4
David W Collier: Recuperative radiant tube heating system especially adapted for use with butane. Eclipse, Leydig Voit & Mayer, September 7, 1993: US05241949 (15 worldwide citation)

A burner head for a recuperative radiant tube burner system is constructed so as to effect clean burning of a gaseous fuel such as butane having a relatively high heat value. The burner head includes a sleeve having a frustoconical section formed with combustion air ports which cause combustion air ...


5
David W Collier: Burner assembly for radiant tube heating system. Eclipse, Leydig Voit & Mayer, June 16, 1987: US04673350 (14 worldwide citation)

A burner assembly for heating a U-shaped radiant tube. The burner assembly includes a generally conical burner nozzle supported on the end of a gas supply pipe and disposed within an inner tube which, in turn, is located within the radiant tube. The burner nozzle may be adjusted selectively back and ...