with movable polarising filter discs

Industry

CPC
A61F9/062

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Parent Industries

AHUMAN NECESSITIES A61Medical science A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS PROSTHESES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES FOMENTATION TREATMENT OR PROTECTION OF EYES OR EARS BANDAGES, DRESSINGS OR ABSORBENT PADS FIRST-AID KITS A61F9/00Method or devices for treatment of the eyes Devices for putting-in contact lenses Devices to correct squinting Apparatus to guide the blind Protective devices for the eyes, carried on the body or in the hand

Current Industry

A61F9/062with movable polarising filter discs

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Welding protector comprising panel and AR coating layer
- Patent number 12,161,590
- Issue date Dec 10, 2024
- OTOS WING CO., LTD.
- Sung Won Huh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic darkening filter with simplified set-up
- Patent number 11,813,200
- Issue date Nov 14, 2023
- 3M Innovative Properties Company
- Christian A. Ripken
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
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, 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
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
Protection device for a welder
- Patent number 9,610,198
- Issue date Apr 4, 2017
- OPTREL AG
- Ramon Hofer-Kraner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Welding mask system
- Patent number 8,776,263
- Issue date Jul 15, 2014
- Anastasios Fitos
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Liquid crystal welding glass shields having improved optical angula...
- Patent number 5,825,441
- Issue date Oct 20, 1998
- Ake Hornell
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye protection device for welding helmets which reduces obliquely i...
- Patent number 5,515,186
- Issue date May 7, 1996
- OSD Envizion Company
- Jeffrey K. Fergason
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tunable birefringent safety goggles for laser beams
- Patent number 4,595,262
- Issue date Jun 17, 1986
- Lockheed Missiles & Space Company, Inc.
- Norman E. Ogle
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Variable neutral density laser goggles
- Patent number 4,511,225
- Issue date Apr 16, 1985
- Herbert G. Lipson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polarized face shield
- Patent number 4,153,952
- Issue date May 15, 1979
- Manlio V. Dussich
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electro-optic welding helmet lens assembly
- Patent number 4,039,803
- Issue date Aug 2, 1977
- Mack Gordon
- Thomas B. Harsch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electro-optic welding lens assembly using multiple liquid crystal l...
- Patent number 4,039,254
- Issue date Aug 2, 1977
- Gordon; Mack
- Thomas B. Harsch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3521940
- Patent number 3,521,940
- Issue date Jul 28, 1970
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3475765
- Patent number 3,475,765
- Issue date Nov 4, 1969
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3159844
- Patent number 3,159,844
- Issue date Dec 8, 1964
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3137784
- Patent number 3,137,784
- Issue date Jun 16, 1964
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2548230
- Patent number 2,548,230
- Issue date Apr 10, 1951
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2423320
- Patent number 2,423,320
- Issue date Jul 1, 1947
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2417883
- Patent number 2,417,883
- Issue date Mar 25, 1947
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATICE DARKENING FILTER WITH SIMPLIFIED SET-UP
- Publication number 20240050278
- Publication date Feb 15, 2024
- 3M Innovative Properties Company
- Christian A. Ripken
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AUTOMATIC DARKENING FILTER WITH SIMPLIFIED SET-UP
- Publication number 20220257421
- Publication date Aug 18, 2022
- 3M Innovative Properties Company
- Christian A. Ripken
- G02 - OPTICS
Information Patent Application
WELDING PROTECTIVE EQUIPMENT WITH OPTICAL FUNCTIONAL LAYER AND PANE...
- Publication number 20220023102
- Publication date Jan 27, 2022
- OTOS WING CO., LTD.
- Sung Won HUH
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
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
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
TWO MODE ELECTRO-OPTIC FILTER
- Publication number 20190025624
- Publication date Jan 24, 2019
- Kimberly-Clark Worldwide, Inc.
- Andrej Petelin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Connecting structure of LCD shielding screen for welding mask
- Publication number 20070080621
- Publication date Apr 12, 2007
- Moon Young Huh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

with movable polarising filter discs

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Welding protector comprising panel and AR coating layer

Automatic darkening filter with simplified set-up

Protective headgear comprising a curved switchable shutter and comp...

Vision-protective headgear with automatic darkening filter comprisi...

Curved, arcuately-bonded liquid crystal cell and method of making

Protective headgear comprising a curved switchable shutter and comp...

Protection device for a welder

Welding mask system

Liquid crystal welding glass shields having improved optical angula...

Eye protection device for welding helmets which reduces obliquely i...

Tunable birefringent safety goggles for laser beams

Variable neutral density laser goggles

Polarized face shield

Electro-optic welding helmet lens assembly

Electro-optic welding lens assembly using multiple liquid crystal l...

3521940

3475765

3159844

3137784

2548230

2423320

2417883

Patents Applicationslast 30 patents

AUTOMATICE DARKENING FILTER WITH SIMPLIFIED SET-UP

AUTOMATIC DARKENING FILTER WITH SIMPLIFIED SET-UP

WELDING PROTECTIVE EQUIPMENT WITH OPTICAL FUNCTIONAL LAYER AND PANE...

Vision-Protective Headgear with Automatic Darkening Filter Comprisi...

CURVED, ARCUATELY-BONDED LIQUID CRYSTAL CELL AND METHOD OF MAKING

PROTECTIVE HEADGEAR COMPRISING A CURVED SWITCHABLE SHUTTER AND COMP...

CURVED, ARCUATELY-BONDED LIQUID CRYSTAL CELL AND METHOD OF MAKING

PROTECTIVE HEADGEAR COMPRISING A CURVED SWITCHABLE SHUTTER AND COMP...

TWO MODE ELECTRO-OPTIC FILTER

Connecting structure of LCD shielding screen for welding mask