GB189510245, Joseph Williams, (1895)

GB341290, John Shaw & Sons, (1931)

GB189811053, Briquet & DeRaet (1898)

357,049, Alfred Henry Allen (1905)

Improvements in Blowlamps

Improvements in or relating to Blowlamps

An Improved Vapour Lamp for Soldering and like Purposes

French patent:

Blowlamp or torch for use by painters, plumbers and other craftsmen

See also copy of British version, GB190423741