Daniel W. Hennen

Person

Cottage Grove, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical adhesive
- Patent number 11,708,510
- Issue date Jul 25, 2023
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Grant
Air filter condition sensing
- Patent number 11,617,980
- Issue date Apr 4, 2023
- 3M Innovative Properties Company
- Jonathan B. Arthur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air filter condition sensing
- Patent number 11,607,635
- Issue date Mar 21, 2023
- 3M Innovative Properties Company
- Jonathan B. Arthur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Air filter condition sensing
- Patent number 11,202,982
- Issue date Dec 21, 2021
- 3M Innovative Properties Company
- Jonathan B. Arthur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Surface-modified adhesives
- Patent number 10,773,490
- Issue date Sep 15, 2020
- 3M Innovative Properties Company
- Encai Hao
- B32 - LAYERED PRODUCTS
Information Patent Grant
Optical stack including a grating
- Patent number 10,761,320
- Issue date Sep 1, 2020
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Grant
Insulated glazing units and microoptical layer including microstruc...
- Patent number 10,656,312
- Issue date May 19, 2020
- 3M Innovative Properties Company
- Justin P. Meyer
- G02 - OPTICS
Information Patent Grant
Air filter condition sensing
- Patent number 10,646,809
- Issue date May 12, 2020
- 3M Innovative Properties Company
- Jonathan B. Arthur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multilayer optical adhesives and methods of making same
- Patent number 10,647,032
- Issue date May 12, 2020
- 3M Innovative Properties Company
- Marc D. Radcliffe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Air filter condition sensing
- Patent number 10,363,509
- Issue date Jul 30, 2019
- 3M Innovative Properties Company
- Jonathan B. Arthur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Optical stacks for sparkle reduction
- Patent number 10,353,214
- Issue date Jul 16, 2019
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Grant
Method for preparing structured laminating adhesive articles
- Patent number 10,316,226
- Issue date Jun 11, 2019
- 3M Innovative Properties Company
- Michael Benton Free
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical stacks for sparkle reduction
- Patent number 9,995,944
- Issue date Jun 12, 2018
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Grant
Insulated glazing units and microoptical layer comprising microstru...
- Patent number 9,970,614
- Issue date May 15, 2018
- 3M Innovative Properties Company
- Justin P. Meyer
- G02 - OPTICS
Information Patent Grant
Multilayer optical adhesives and methods of making same
- Patent number 9,862,124
- Issue date Jan 9, 2018
- 3M Innovative Properties Company
- Marc D. Radcliffe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electronically switchable privacy film and display device having same
- Patent number 9,229,253
- Issue date Jan 5, 2016
- 3M Innovative Properties Company
- Evan L. Schwartz
- B32 - LAYERED PRODUCTS
Information Patent Grant
Electronically switchable privacy film and display device having same
- Patent number 9,229,261
- Issue date Jan 5, 2016
- 3M Innovative Properties Company
- Evan L. Schwartz
- G02 - OPTICS
Information Patent Grant
Process of stripe coating to produce microstructured composite arti...
- Patent number 6,758,992
- Issue date Jul 6, 2004
- 3M Innovative Properties Company
- Jeffrey L. Solomon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fresnel lens for projection screens
- Patent number 6,710,941
- Issue date Mar 23, 2004
- 3M Innovative Properties Company
- Daniel W. Hennen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fresnel lens for projection screen
- Patent number 6,407,859
- Issue date Jun 18, 2002
- 3M Innovative Properties Company
- Daniel W. Hennen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Articles Including Nanostructured Surfaces and Enclosed Voids
- Publication number 20230127519
- Publication date Apr 27, 2023
- 3M Innovative Properties Company
- Jeffrey L. Solomon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20220088525
- Publication date Mar 24, 2022
- 3M Innovative Properties Company
- Jonathan B. Arthur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20210346833
- Publication date Nov 11, 2021
- 3M Innovative Properties Company
- Jonathan B. Arthur
- G01 - MEASURING TESTING
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20200391151
- Publication date Dec 17, 2020
- 3M Innovative Properties Company
- Jonathan B. Arthur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME
- Publication number 20200230848
- Publication date Jul 23, 2020
- 3M Innovative Properties Company
- Marc D. Radcliffe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20190291037
- Publication date Sep 26, 2019
- 3M Innovative Properties Company
- Jonathan B. Arthur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20190262756
- Publication date Aug 29, 2019
- 3M Innovative Properties Company
- Jonathan B. Arthur
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
OPTICAL ADHESIVE
- Publication number 20190023947
- Publication date Jan 24, 2019
- 3M Innovative Properties Company
- Brett J. Sitter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OPTICAL STACK
- Publication number 20180329207
- Publication date Nov 15, 2018
- 3M Innovative Properties Company
- Brett J. Sitter
- B32 - LAYERED PRODUCTS
Information Patent Application
INSULATED GLAZING UNITS AND MICROOPTICAL LAYER INCLUDING MICROSTRUC...
- Publication number 20180164475
- Publication date Jun 14, 2018
- 3M Innovative Properties Company
- Justin P. Meyer
- B32 - LAYERED PRODUCTS
Information Patent Application
AIR FILTER CONDITION SENSING
- Publication number 20180140989
- Publication date May 24, 2018
- 3M Innovative Properties Company
- Jonathan B. Arthur
- G01 - MEASURING TESTING
Information Patent Application
MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME
- Publication number 20180050473
- Publication date Feb 22, 2018
- 3M Innovative Properties Company
- Marc D. Radcliffe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INSULATED GLAZING UNITS AND MICROOPTICAL LAYER COMPRISING MICROSTRU...
- Publication number 20170335620
- Publication date Nov 23, 2017
- 3M Innovative Properties Company
- Justin P. Meyer
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL STACKS FOR SPARKLE REDUCTION
- Publication number 20170131559
- Publication date May 11, 2017
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Application
OPTICAL STACKS FOR SPARKLE REDUCTION
- Publication number 20170115498
- Publication date Apr 27, 2017
- 3M Innovative Properties Company
- Brett J. Sitter
- G02 - OPTICS
Information Patent Application
METHOD FOR PREPARING STRUCTURED LAMINATING ADHESIVE ARTICLES
- Publication number 20160130485
- Publication date May 12, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Michael Benton Free
- B32 - LAYERED PRODUCTS
Information Patent Application
MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME
- Publication number 20160016338
- Publication date Jan 21, 2016
- 3M Innovative Properties Company
- Marc D. Radcliffe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ELECTRONICALLY SWITCHABLE PRIVACY FILM AND DISPLAY DEVICE HAVING SAME
- Publication number 20140232960
- Publication date Aug 21, 2014
- Evan L. Schwartz
- B32 - LAYERED PRODUCTS
Information Patent Application
ELECTRONICALLY SWITCHABLE PRIVACY FILM AND DISPLAY DEVICE HAVING SAME
- Publication number 20140226093
- Publication date Aug 14, 2014
- 3M Innovative Properties Company
- Evan L. Schwartz
- G02 - OPTICS
Information Patent Application
SURFACE-MODIFIED ADHESIVES
- Publication number 20130004749
- Publication date Jan 3, 2013
- Encai Hao
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR DIGITALLY PRINTING ELECTROLUMINESCENT LAMPS
- Publication number 20090252933
- Publication date Oct 8, 2009
- 3M Innovative Properties Company
- M. Benton Free
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTER HAVING INCREASED SOLUTION VOLUME OF PRINTING AND INCREASED...
- Publication number 20090249969
- Publication date Oct 8, 2009
- 3M Innovative Properties Company
- M. Benton Free
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
STRUCTURED ORIENTED FILMS FOR USE IN DISPLAYS
- Publication number 20090067048
- Publication date Mar 12, 2009
- 3M Innovative Properties Company
- James M. Battiato
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD AND APPARATUS FOR PRINTING CONDUCTIVE INKS
- Publication number 20080136861
- Publication date Jun 12, 2008
- 3M Innovative Properties Company
- Michael Benton Free
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF AND APPARATUS FOR PRINTING DIGITALLY IMAGED SIGNS
- Publication number 20070184214
- Publication date Aug 9, 2007
- 3M Innovative Properties Company
- Scott A. Boyd
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTER HAVING A PRINT WIRE WITH ALTERNATING HYDROPHILIC AND HYDROP...
- Publication number 20070182797
- Publication date Aug 9, 2007
- 3M Innovative Properties Company
- Michael Benton Free
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Structured oriented films for use in displays
- Publication number 20060274244
- Publication date Dec 7, 2006
- James M. Battiato
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of making a polymeric film having structured surfaces via re...
- Publication number 20060138694
- Publication date Jun 29, 2006
- Rolf W. Biernath
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Brightness enhancing film composition
- Publication number 20050124713
- Publication date Jun 9, 2005
- Clinton L. Jones
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of stripe coating to produce microstructured composite arti...
- Publication number 20030164575
- Publication date Sep 4, 2003
- 3M Innovative Properties Company
- Jeffery L. Solomon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Daniel W. Hennen

Person

Patents Grantslast 30 patents

Optical adhesive

Air filter condition sensing

Air filter condition sensing

Air filter condition sensing

Surface-modified adhesives

Optical stack including a grating

Insulated glazing units and microoptical layer including microstruc...

Air filter condition sensing

Multilayer optical adhesives and methods of making same

Air filter condition sensing

Optical stacks for sparkle reduction

Method for preparing structured laminating adhesive articles

Optical stacks for sparkle reduction

Insulated glazing units and microoptical layer comprising microstru...

Multilayer optical adhesives and methods of making same

Electronically switchable privacy film and display device having same

Electronically switchable privacy film and display device having same

Process of stripe coating to produce microstructured composite arti...

Fresnel lens for projection screens

Fresnel lens for projection screen

Patents Applicationslast 30 patents

Articles Including Nanostructured Surfaces and Enclosed Voids

AIR FILTER CONDITION SENSING

AIR FILTER CONDITION SENSING

AIR FILTER CONDITION SENSING

MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME

AIR FILTER CONDITION SENSING

AIR FILTER CONDITION SENSING

OPTICAL ADHESIVE

OPTICAL STACK

INSULATED GLAZING UNITS AND MICROOPTICAL LAYER INCLUDING MICROSTRUC...

AIR FILTER CONDITION SENSING

MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME

INSULATED GLAZING UNITS AND MICROOPTICAL LAYER COMPRISING MICROSTRU...

OPTICAL STACKS FOR SPARKLE REDUCTION

OPTICAL STACKS FOR SPARKLE REDUCTION

METHOD FOR PREPARING STRUCTURED LAMINATING ADHESIVE ARTICLES

MULTILAYER OPTICAL ADHESIVES AND METHODS OF MAKING SAME

ELECTRONICALLY SWITCHABLE PRIVACY FILM AND DISPLAY DEVICE HAVING SAME

ELECTRONICALLY SWITCHABLE PRIVACY FILM AND DISPLAY DEVICE HAVING SAME

SURFACE-MODIFIED ADHESIVES

METHOD FOR DIGITALLY PRINTING ELECTROLUMINESCENT LAMPS

PRINTER HAVING INCREASED SOLUTION VOLUME OF PRINTING AND INCREASED...

STRUCTURED ORIENTED FILMS FOR USE IN DISPLAYS

METHOD AND APPARATUS FOR PRINTING CONDUCTIVE INKS

METHOD OF AND APPARATUS FOR PRINTING DIGITALLY IMAGED SIGNS

PRINTER HAVING A PRINT WIRE WITH ALTERNATING HYDROPHILIC AND HYDROP...

Structured oriented films for use in displays

Method of making a polymeric film having structured surfaces via re...

Brightness enhancing film composition

Process of stripe coating to produce microstructured composite arti...