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Kristina M. Magnusson
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Gagnef, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Darkening filter comprising a non-uniform pattern of switchable shu...
Patent number
12,150,901
Issue date
Nov 26, 2024
3M Innovative Properties Company
Claire R. Donoghue
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Protective headgear comprising a curved switchable shutter and comp...
Patent number
11,413,190
Issue date
Aug 16, 2022
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Welding helmet having a filter arrangement
Patent number
11,324,633
Issue date
May 10, 2022
3M Innovative Properties Company
Kristina M. Magnusson
G02 - OPTICS
Information
Patent Grant
Vision-protective headgear with automatic darkening filter comprisi...
Patent number
11,160,687
Issue date
Nov 2, 2021
3M Innovative Properties Company
Britton G. Billingsley
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Curved eye protection shield for welding protection
Patent number
11,129,748
Issue date
Sep 28, 2021
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Curved, arcuately-bonded liquid crystal cell and method of making
Patent number
10,866,442
Issue date
Dec 15, 2020
3M Innovative Properties Company
Kristina M. Magnusson
G02 - OPTICS
Information
Patent Grant
Welding protector with magnifying cover
Patent number
10,821,026
Issue date
Nov 3, 2020
3M Innovative Properties Company
Kristina M. Magnusson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Protective headgear comprising a curved switchable shutter and comp...
Patent number
10,758,420
Issue date
Sep 1, 2020
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Welding helmet having a filter arrangement
Patent number
10,667,952
Issue date
Jun 2, 2020
3M Innovative Properties Company
Kristina Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Automatic darkening filter apparatus and method
Patent number
10,426,667
Issue date
Oct 1, 2019
3M Innovative Properties Company
Kristina M. Magnusson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Curved automatic-darkening filter
Patent number
10,114,242
Issue date
Oct 30, 2018
3M Innovative Properties Company
Kristina M. Magnusson
A41 - WEARING APPAREL
Information
Patent Grant
Automatic welding filter with tunable spectral transmission
Patent number
9,254,226
Issue date
Feb 9, 2016
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Automatic darkening filter with offset polarizers
Patent number
7,884,888
Issue date
Feb 8, 2011
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Automatic darkening filter with offset polarizers
Patent number
7,477,330
Issue date
Jan 13, 2009
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
DARKENING FILTER COMPRISING A NON-UNIFORM PATTERN OF SWITCHABLE SHU...
Publication number
20220249290
Publication date
Aug 11, 2022
3M Innovative Properties Company
Claire R. Donoghue
B60 - VEHICLES IN GENERAL
Information
Patent Application
CURVED EYE PROTECTION SHIELD FOR WELDING PROTECTION
Publication number
20220031514
Publication date
Feb 3, 2022
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Vision-Protective Headgear with Automatic Darkening Filter Comprisi...
Publication number
20210145644
Publication date
May 20, 2021
3M Innovative Properties Company
Britton G. Billingsley
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CURVED, ARCUATELY-BONDED LIQUID CRYSTAL CELL AND METHOD OF MAKING
Publication number
20210055597
Publication date
Feb 25, 2021
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROTECTIVE HEADGEAR COMPRISING A CURVED SWITCHABLE SHUTTER AND COMP...
Publication number
20200390606
Publication date
Dec 17, 2020
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WELDING HELMET HAVING A FILTER ARRANGEMENT
Publication number
20200289324
Publication date
Sep 17, 2020
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURVED, ARCUATELY-BONDED LIQUID CRYSTAL CELL AND METHOD OF MAKING
Publication number
20200278574
Publication date
Sep 3, 2020
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Flat Automatic Darkening Filter And Welding Protector
Publication number
20190258111
Publication date
Aug 22, 2019
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
A Curved Eye Protection Shield For Welding Protection
Publication number
20190142640
Publication date
May 16, 2019
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Welding Protector With Magnifying Cover
Publication number
20190125586
Publication date
May 2, 2019
3M Innovative Properties Company
Kristina M. Magnusson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Curved Automatic-Darkening Filter
Publication number
20190107749
Publication date
Apr 11, 2019
3M Innovative Properties Company
Kristina M. Magnusson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PROTECTIVE HEADGEAR COMPRISING A CURVED SWITCHABLE SHUTTER AND COMP...
Publication number
20190091069
Publication date
Mar 28, 2019
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
AUTOMATIC DARKENING FILTER APPARATUS AND METHOD
Publication number
20170367891
Publication date
Dec 28, 2017
3M Innovative Properties Company
Kristina M. MAGNUSSON
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Curved Automatic-Darkening Filter
Publication number
20160262467
Publication date
Sep 15, 2016
3M Innovative Properties Company
Kristina M. Magnusson
A41 - WEARING APPAREL
Information
Patent Application
Automatic Welding Filter With Tunable Spectral Transmission
Publication number
20150001378
Publication date
Jan 1, 2015
3M Innovative Properties Company
Kristina M. Magnusson
G02 - OPTICS
Information
Patent Application
Curved Automatic-Darkening Filter
Publication number
20140168546
Publication date
Jun 19, 2014
3M Innovative Properties Company
Kristina M. Magnusson
A41 - WEARING APPAREL
Information
Patent Application
WELDING HELMET HAVING A FILTER ARRANGEMENT
Publication number
20140013479
Publication date
Jan 16, 2014
3M Innovative Properties Company
Kristina Magnusson
G02 - OPTICS
Information
Patent Application
AUTOMATIC DARKENING FILTER WITH OFFSET POLARIZERS
Publication number
20090079886
Publication date
Mar 26, 2009
3M Innovative Properties Company
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Automatic darkening filter with offset polarizers
Publication number
20060203148
Publication date
Sep 14, 2006
Kristina M. Magnusson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE