Patent · US Active

Welding helmet

US11324275B2 · kind B2 · utility

0Cited by

2References

14Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Martin Berggren · Rättvik, SE
Thomas B. Stenvall · Sundborn, SE

Key dates

Filing date	Sep 19, 2018
Grant date	May 10, 2022
Priority date	—
Expiry date	Jan 14, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F9/06
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A welding helmet (1) with a head suspension system, a protective shield (2) and a movable visor (3). The protective shield forms a see-through window. The welding helmet further has a first neck shield (6). The protective shield forms a lower end at which the first neck shield is removably attachable.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.