ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,575, issued on Aug. 4, was assigned to TRINITY INDUSTRIAL CORP. (Toyota, Japan) and TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Dust collector" was invented by Xu Wang (Toyota, Japan), Shoji Kuramoto (Toyota, Japan), Seishiro Ueno (Toyota, Japan), Takashi Hashimoto (Nagoya, Japan), Shingo Kurumatani (Toyota, Japan) and Shigeki Fujiwara (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dust collector that collects welding fumes includes: a tank that stores water in a non-full state; a first tower that stands upright from an upper surface of the tank, and is configured to receive air containing the welding fumes from an upper part of the first ...