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Stenvall; Thomas B. Patent Filings

Stenvall; Thomas B.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stenvall; Thomas B..The latest application filed is for "automatic darkening filter assembly for a welding protector and a welding protector".

Company Profile
4.3.4
  • Stenvall; Thomas B. - Sundborn SE
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Automatic darkening filter assembly for a welding protector and a welding protector
Grant 11,376,162 - Hansson , et al. July 5, 2
2022-07-05
Welding helmet
Grant 11,324,275 - Berggren , et al. May 10, 2
2022-05-10
Automatic Darkening Filter Assembly For A Welding Protector And A Welding Protector
App 20210205136 - Hansson; Johan M. P. ;   et al.
2021-07-08
Automatic darkening filter assembly for a welding protector and a welding protector
Grant 10,952,902 - Hansson , et al. March 23, 2
2021-03-23
Welding Helmet
App 20200297060 - Berggren; Martin ;   et al.
2020-09-24
A Welding Helmet With A Detachable Welding Visor
App 20200289323 - Daniels; Bjorn ;   et al.
2020-09-17
An Automatic Darkening Filter Assembly for a Welding Protector and a Welding Protector
App 20190262178 - Hansson; Johan M. P. ;   et al.
2019-08-29

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