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| Number | Title | Issue Date |
| 6345980 | Gas bolt heater A gas bolt heater for loosening large bolts and studs has a hollow cylindrical housing defining a cylindrical chamber within the housing. A heating tube projecting from one end of the housing has a longitudinal bore. A first cylindrical insert closing the... | 02/12/2002 |
| 5178530 | Gas heating device, with a catalytic burner and regulating member A heating device with a catalytic burner for a fuel gas is equipped with a member for regulating the thermal power. The regulating member includes a metal flap for regulating the flow of the mixture to be burned in the catalytic burner. This flap, for exa... | 01/12/1993 |
| 4545361 | Gas horseshoe forge A portable gas forge. The forge is comprised of a housing having an insulated interior and an opening for insertion of the article to be heated such as a horseshoe or the like. The forge is resistant to blow-out by wind when used in the field and has a sp... | 10/08/1985 |
