David G. Freier

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Organic light emitting diode with color-correction for maximum whit...
- Patent number 12,007,593
- Issue date Jun 11, 2024
- 3M Innovative Properties Company
- Nicholas C. Erickson
- G02 - OPTICS
Information Patent Grant
Optical stack for improved color uniformity in OLED display
- Patent number 10,991,765
- Issue date Apr 27, 2021
- 3M Innovative Properties Company
- David G. Freier
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nanostructured article
- Patent number 10,756,306
- Issue date Aug 25, 2020
- 3M Innovative Properties Company
- Nicholas C. Erickson
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
OLED display with improved color uniformity
- Patent number 10,566,391
- Issue date Feb 18, 2020
- 3M Innovative Properties Company
- David G. Freier
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Luminaire for crosswalk, method for making, and method for controlling
- Patent number 9,976,714
- Issue date May 22, 2018
- 3M Innovative Properties Company
- Karl J. L. Geisler
- G02 - OPTICS
Information Patent Grant
Curved light duct extraction
- Patent number 9,791,128
- Issue date Oct 17, 2017
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS
Information Patent Grant
Light duct elbow for ducted illumination
- Patent number 9,683,718
- Issue date Jun 20, 2017
- 3M Innovative Properties Company
- Karl J. L. Geisler
- G02 - OPTICS
Information Patent Grant
Hollow light duct bend
- Patent number 9,551,827
- Issue date Jan 24, 2017
- 3M Innovative Properties Company
- Steven H. Kong
- G02 - OPTICS
Information Patent Grant
Rectangular light duct extraction
- Patent number 9,476,554
- Issue date Oct 25, 2016
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS
Information Patent Grant
Illuminated light duct joint
- Patent number 9,464,773
- Issue date Oct 11, 2016
- 3M Innovative Properties Company
- Karl J. L. Geisler
- F21 - LIGHTING
Information Patent Grant
Light duct tee splitter
- Patent number 9,360,676
- Issue date Jun 7, 2016
- 3M Innovative Properties Company
- Thomas R. J. Corrigan
- F21 - LIGHTING
Information Patent Grant
Light duct tee extractor
- Patent number 9,353,930
- Issue date May 31, 2016
- 3M Innovative Properties Company
- David G. Freier
- F21 - LIGHTING
Information Patent Grant
Off-axis cassegrain solar collector
- Patent number 9,335,015
- Issue date May 10, 2016
- 3M Innovative Properties Company
- David G. Freier
- F21 - LIGHTING
Information Patent Grant
Bollard luminaire window
- Patent number D752773
- Issue date Mar 29, 2016
- 3M Innovative Properties Company
- David G. Freier
- D25 - Building units and construction elements
Information Patent Grant
Switchable light-duct extraction
- Patent number 9,222,650
- Issue date Dec 29, 2015
- 3M Innovative Properties Company
- David G. Freier
- F21 - LIGHTING
Information Patent Grant
Recycling backlights with semi-specular components
- Patent number 9,091,408
- Issue date Jul 28, 2015
- 3M Innovative Properties Company
- Michael F. Weber
- F21 - LIGHTING
Information Patent Grant
Energy efficient sign
- Patent number 9,039,245
- Issue date May 26, 2015
- 3M Innovative Properties Company
- Michael A. Meis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Collimating light injectors for edge-lit backlights
- Patent number 9,028,108
- Issue date May 12, 2015
- 3M Innovative Properties Company
- Thomas R. Hoffend
- G02 - OPTICS
Information Patent Grant
Thin hollow backlights with beneficial design characteristics
- Patent number 8,926,159
- Issue date Jan 6, 2015
- 3M Innovative Properties Company
- Timothy J. Nevitt
- F21 - LIGHTING
Information Patent Grant
Hollow backlight with structured films
- Patent number 8,848,132
- Issue date Sep 30, 2014
- 3M Innovative Properties Company
- Mark B. O'Neill
- G02 - OPTICS
Information Patent Grant
Light directing sign substrate
- Patent number 8,801,207
- Issue date Aug 12, 2014
- 3M Innovative Properties Company
- Michael A. Meis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light injection coupler for coupling light guides
- Patent number 8,794,809
- Issue date Aug 5, 2014
- 3M Innovative Properties Company
- David J. Lundin
- G02 - OPTICS
Information Patent Grant
Concentrating daylight collector
- Patent number 8,743,462
- Issue date Jun 3, 2014
- 3M Innovative Properties Company
- David G. Freier
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Backlight and display system using same
- Patent number 8,740,442
- Issue date Jun 3, 2014
- 3M Innovative Properties Company
- Michael F. Weber
- F21 - LIGHTING
Information Patent Grant
Recycling backlights with semi-specular components
- Patent number 8,608,363
- Issue date Dec 17, 2013
- 3M Innovative Properties Company
- Michael F. Weber
- F21 - LIGHTING
Information Patent Grant
Suspended optical film
- Patent number 8,596,809
- Issue date Dec 3, 2013
- 3M Innovative Properties Company
- Raymond P. Johnston
- G02 - OPTICS
Information Patent Grant
Thin hollow backlights with beneficial design characteristics
- Patent number 8,523,419
- Issue date Sep 3, 2013
- 3M Innovative Properties Company
- Timothy J. Nevitt
- F21 - LIGHTING
Information Patent Grant
Backlight and display system using same
- Patent number 8,469,575
- Issue date Jun 25, 2013
- 3M Innovative Properties Company
- Michael F. Weber
- F21 - LIGHTING
Information Patent Grant
Light duct bend
- Patent number 8,251,527
- Issue date Aug 28, 2012
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS
Information Patent Grant
Lighting assemblies and systems
- Patent number 8,192,048
- Issue date Jun 5, 2012
- 3M Innovative Properties Company
- Martin Kristoffersen
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC LIGHT EMITTING DIODE DISPLAY WITH COLOR-CORRECTION COMPONEN...
- Publication number 20240280737
- Publication date Aug 22, 2024
- 3M Innovative Properties Company
- Nicholas C. Erickson
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEMS WITH LIGHT CONTROL FILMS
- Publication number 20240219719
- Publication date Jul 4, 2024
- 3M Innovative Properties Company
- Daniel S. Bates
- G02 - OPTICS
Information Patent Application
COMMON RGB RESONANCE LAYERS FOR OLED DISPLAYS
- Publication number 20220262869
- Publication date Aug 18, 2022
- 3M Innovative Properties Company
- David G. Freier
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT EMITTING DIODE DISPLAY WITH COLOR-CORRECTION COMPONEN...
- Publication number 20210098546
- Publication date Apr 1, 2021
- 3M Innovative Properties Company
- Nicholas C. Erickson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL STACK FOR IMPROVED COLOR UNIFORMITY IN OLED DISPLAY
- Publication number 20200127058
- Publication date Apr 23, 2020
- 3M Innovative Properties Company
- David G. Freier
- B82 - NANO-TECHNOLOGY
Information Patent Application
NANOSTRUCTURED ARTICLE
- Publication number 20190386251
- Publication date Dec 19, 2019
- 3M Innovative Properties Company
- Nicholas C. Erickson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OLED DISPLAY WITH IMPROVED COLOR UNIFORMITY
- Publication number 20190214436
- Publication date Jul 11, 2019
- 3M Innovative Properties Company
- David G. Freier
- B82 - NANO-TECHNOLOGY
Information Patent Application
A LIGHTING SYSTEM
- Publication number 20170211794
- Publication date Jul 27, 2017
- 3M Innovative Properties Company
- Sheldon B. Ruiz
- F21 - LIGHTING
Information Patent Application
LIGHT HORN ARRAYS FOR DUCTED LIGHTING SYSTEMS
- Publication number 20170175978
- Publication date Jun 22, 2017
- 3M Innovative Properties Company
- Karl J. L. Geisler
- G02 - OPTICS
Information Patent Application
LUMINAIRE FOR CROSSWALK, METHOD FOR MAKING, AND METHOD FOR CONTROLLING
- Publication number 20170030538
- Publication date Feb 2, 2017
- 3M Innovative Properties Company
- Karl J.L. Geisler
- F21 - LIGHTING
Information Patent Application
LIGHT DUCT ELBOW FOR DUCTED ILLUMINATION
- Publication number 20160265744
- Publication date Sep 15, 2016
- 3M Innovative Properties Company
- Karl J.L. Geisler
- F21 - LIGHTING
Information Patent Application
HIGH INTENSITY MODULAR LIGHT FIXTURES
- Publication number 20160245486
- Publication date Aug 25, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- David G. Freier
- F21 - LIGHTING
Information Patent Application
REMOTE ILLUMINATION LIGHT DUCT
- Publication number 20160223742
- Publication date Aug 4, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Anthony J. Piekarczyk
- G02 - OPTICS
Information Patent Application
LUMINAIRE FOR CROSSWALK
- Publication number 20160123547
- Publication date May 5, 2016
- 3M Innovative Properties Company
- Karl J.L. Geisler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
ILLUMINATED LIGHT DUCT JOINT
- Publication number 20160084458
- Publication date Mar 24, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Karl J. L. Geisler
- G02 - OPTICS
Information Patent Application
REMOTE ILLUMINATION LIGHT DUCT
- Publication number 20160018592
- Publication date Jan 21, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Vadim N. Savvateev
- G02 - OPTICS
Information Patent Application
RECTANGULAR LIGHT DUCT EXTRACTION
- Publication number 20150267885
- Publication date Sep 24, 2015
- 3M INNOVATIVE PROPERTIES COMPANY
- David G. Freier
- F21 - LIGHTING
Information Patent Application
CURVED LIGHT DUCT EXTRACTION
- Publication number 20150260370
- Publication date Sep 17, 2015
- 3M INNOVATIVE PROPERTIES COMPANY
- David G. Freier
- F21 - LIGHTING
Information Patent Application
OFF-AXIS CASSEGRAIN SOLAR COLLECTOR
- Publication number 20150009567
- Publication date Jan 8, 2015
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS
Information Patent Application
HOLLOW LIGHT DUCT BEND
- Publication number 20150003102
- Publication date Jan 1, 2015
- 3M Innovative Properties Company
- Steven H. Kong
- G02 - OPTICS
Information Patent Application
BACKLIGHT AND DISPLAY SYSTEM USING SAME
- Publication number 20140240981
- Publication date Aug 28, 2014
- 3M Innovative Properties Company
- Michael F. Weber
- G02 - OPTICS
Information Patent Application
LIGHT DUCT TEE EXTRACTOR
- Publication number 20140153256
- Publication date Jun 5, 2014
- 3M INNOVATION PROPERTIES COMPANY
- David G. Freier
- G02 - OPTICS
Information Patent Application
RECYCLING BACKLIGHTS WITH SEMI-SPECULAR COMPONENTS
- Publication number 20140071658
- Publication date Mar 13, 2014
- 3M Innovative Properties Company
- Michael F. WEBER
- G02 - OPTICS
Information Patent Application
LIGHT DUCT TEE SPLITTER
- Publication number 20140016205
- Publication date Jan 16, 2014
- Thomas R.J. Corrigan
- G02 - OPTICS
Information Patent Application
THIN HOLLOW BACKLIGHTS WITH BENEFICIAL DESIGN CHARACTERISTICS
- Publication number 20140009963
- Publication date Jan 9, 2014
- Timothy J. Nevitt
- G02 - OPTICS
Information Patent Application
Backlight And Display System Using Same
- Publication number 20130128549
- Publication date May 23, 2013
- 3M Innovative Properties Company
- Michael F. Weber
- G02 - OPTICS
Information Patent Application
CONCENTRATING DAYLIGHT COLLECTOR
- Publication number 20130120844
- Publication date May 16, 2013
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS
Information Patent Application
ENERGY EFFICIENT SIGN
- Publication number 20130033875
- Publication date Feb 7, 2013
- Michael A. Meis
- G02 - OPTICS
Information Patent Application
Light Directing Sign Substrate
- Publication number 20130003354
- Publication date Jan 3, 2013
- Michael A. Meis
- G02 - OPTICS
Information Patent Application
LIGHT DUCT BEND
- Publication number 20120206814
- Publication date Aug 16, 2012
- 3M Innovative Properties Company
- David G. Freier
- G02 - OPTICS

David G. Freier

Person

Patents Grantslast 30 patents

Organic light emitting diode with color-correction for maximum whit...

Optical stack for improved color uniformity in OLED display

Nanostructured article

OLED display with improved color uniformity

Luminaire for crosswalk, method for making, and method for controlling

Curved light duct extraction

Light duct elbow for ducted illumination

Hollow light duct bend

Rectangular light duct extraction

Illuminated light duct joint

Light duct tee splitter

Light duct tee extractor

Off-axis cassegrain solar collector

Bollard luminaire window

Switchable light-duct extraction

Recycling backlights with semi-specular components

Energy efficient sign

Collimating light injectors for edge-lit backlights

Thin hollow backlights with beneficial design characteristics

Hollow backlight with structured films

Light directing sign substrate

Light injection coupler for coupling light guides

Concentrating daylight collector

Backlight and display system using same

Recycling backlights with semi-specular components

Suspended optical film

Thin hollow backlights with beneficial design characteristics

Backlight and display system using same

Light duct bend

Lighting assemblies and systems

Patents Applicationslast 30 patents

ORGANIC LIGHT EMITTING DIODE DISPLAY WITH COLOR-CORRECTION COMPONEN...

OPTICAL SYSTEMS WITH LIGHT CONTROL FILMS

COMMON RGB RESONANCE LAYERS FOR OLED DISPLAYS

ORGANIC LIGHT EMITTING DIODE DISPLAY WITH COLOR-CORRECTION COMPONEN...

OPTICAL STACK FOR IMPROVED COLOR UNIFORMITY IN OLED DISPLAY

NANOSTRUCTURED ARTICLE

OLED DISPLAY WITH IMPROVED COLOR UNIFORMITY

A LIGHTING SYSTEM

LIGHT HORN ARRAYS FOR DUCTED LIGHTING SYSTEMS

LUMINAIRE FOR CROSSWALK, METHOD FOR MAKING, AND METHOD FOR CONTROLLING

LIGHT DUCT ELBOW FOR DUCTED ILLUMINATION

HIGH INTENSITY MODULAR LIGHT FIXTURES

REMOTE ILLUMINATION LIGHT DUCT

LUMINAIRE FOR CROSSWALK

ILLUMINATED LIGHT DUCT JOINT

REMOTE ILLUMINATION LIGHT DUCT

RECTANGULAR LIGHT DUCT EXTRACTION

CURVED LIGHT DUCT EXTRACTION

OFF-AXIS CASSEGRAIN SOLAR COLLECTOR

HOLLOW LIGHT DUCT BEND

BACKLIGHT AND DISPLAY SYSTEM USING SAME

LIGHT DUCT TEE EXTRACTOR

RECYCLING BACKLIGHTS WITH SEMI-SPECULAR COMPONENTS

LIGHT DUCT TEE SPLITTER

THIN HOLLOW BACKLIGHTS WITH BENEFICIAL DESIGN CHARACTERISTICS

Backlight And Display System Using Same

CONCENTRATING DAYLIGHT COLLECTOR

ENERGY EFFICIENT SIGN

Light Directing Sign Substrate

LIGHT DUCT BEND