🛠️ Invention or technique

Transformer soldering gun (Weller)

Pistola de soldar de transformador (Weller)

Date
1941 · confidence high
Place
Easton, Pennsylvania, United States
Credited to
Carl E. Weller
Field
Tools

What it is

A pistol-shaped soldering tool whose copper tip heats in seconds from a transformer's current. Carl Weller patented it in 1941 and it allowed soldering without waiting for an iron to heat up.

What it led to

  • quick soldering of electronics and radios in the shop and at home
  • electrical repairs of cars and appliances
  • electronic soldering stations
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Sources✓ verified 2026-11-06