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Johan M. P. Hansson
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Borlange, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Magnifying lens
Patent number
D1014592
Issue date
Feb 13, 2024
Linus P. Bastman
D16 - Photography and optical equipment
Information
Patent Grant
Automatic darkening filter assembly for a welding protector and a w...
Patent number
11,376,162
Issue date
Jul 5, 2022
3M Innovative Properties Company
Johan M. P. Hansson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnifying lens
Patent number
D917594
Issue date
Apr 27, 2021
3M Innovative Properties Company
Linus P. Bastman
D16 - Photography and optical equipment
Information
Patent Grant
Automatic darkening filter assembly for a welding protector and a w...
Patent number
10,952,902
Issue date
Mar 23, 2021
3M Innovative Properties Company
Johan M. P. Hansson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Welding helmet
Patent number
D901782
Issue date
Nov 10, 2020
3M Innovative Properties Company
Linus P. Bastman
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Welding helmet
Patent number
D893106
Issue date
Aug 11, 2020
3M Innovative Properties Company
Linus P. Bastman
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Outer protection plate for a welding helmet
Patent number
D875321
Issue date
Feb 11, 2020
3M Innovative Properties Company
Linus P. Bastman
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Inner molded plate for protective helmets
Patent number
D854255
Issue date
Jul 16, 2019
3M Innovative Properties Company
Linus P. Bastman
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Recessed snag-resistant knobs for adjusting a welding shields pivot...
Patent number
D841893
Issue date
Feb 26, 2019
3M Innovative Properties Company
Linus P. Bastman
D29 - Equipment for safety, protection, and rescue
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATIC DARKENING FILTER ASSEMBLY FOR A WELDING PROTECTOR AND A W...
Publication number
20210205136
Publication date
Jul 8, 2021
3M Innovative Properties Company
Johan M. P. Hansson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
An Automatic Darkening Filter Assembly for a Welding Protector and...
Publication number
20190262178
Publication date
Aug 29, 2019
3M Innovative Properties Company
Johan M. P. Hansson
G02 - OPTICS