Ranjith Divigalpitiya

Person

London, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Electrically switchable shutter
- Patent number 11,039,579
- Issue date Jun 22, 2021
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heating tape and system
- Patent number 10,834,786
- Issue date Nov 10, 2020
- 3M Innovative Properties Company
- Jian Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbon coated articles and methods for making the same
- Patent number 10,041,748
- Issue date Aug 7, 2018
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of depositing titania on a substrate and composite article
- Patent number 9,803,284
- Issue date Oct 31, 2017
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- B24 - GRINDING POLISHING
Information Patent Grant
Electrically conductive article with high optical transmission
- Patent number 9,668,333
- Issue date May 30, 2017
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Article and method of making and using the same
- Patent number 9,321,254
- Issue date Apr 26, 2016
- 3M Innovative Properties Company
- Arokiaraj Jesudoss
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electrode including current collector with nano-scale coating and m...
- Patent number 9,172,085
- Issue date Oct 27, 2015
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Electrode including current collector with nano-scale coating and m...
- Patent number 8,802,288
- Issue date Aug 12, 2014
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for making scrolls from exfoliatable materials
- Patent number 8,652,375
- Issue date Feb 18, 2014
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrode including current collector with nano-scale coating and m...
- Patent number 8,178,241
- Issue date May 15, 2012
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Interdigital force switches and sensors
- Patent number 7,509,881
- Issue date Mar 31, 2009
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adhesive membrane for force switches and sensors
- Patent number 7,468,199
- Issue date Dec 23, 2008
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Force sensing membrane
- Patent number 7,260,999
- Issue date Aug 28, 2007
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Durable electronic assembly with conductive adhesive
- Patent number 7,034,403
- Issue date Apr 25, 2006
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for making particle-embedded webs
- Patent number 6,834,612
- Issue date Dec 28, 2004
- 3M Innovative Properties Company
- David C. Chambers
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Pressure activated switch and touch panel
- Patent number 6,809,280
- Issue date Oct 26, 2004
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for making particle-embedded webs
- Patent number 6,569,494
- Issue date May 27, 2003
- 3M Innovative Properties Company
- David C. Chambers
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Coatings and methods
- Patent number 6,511,701
- Issue date Jan 28, 2003
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Detector plate for use in imaging systems
- Patent number 5,637,882
- Issue date Jun 10, 1997
- Minnesota Mining and Manufacturing Company
- Ranjith Divigalpitiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
HOLLOW GLASS MICROSPHERES COATED FROM REACTIVE GRAPHENE
- Publication number 20240254035
- Publication date Aug 1, 2024
- HydroGraph Clean Power Inc.
- Ranjith Divigalpitiya
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
HOLLOW GLASS MICROSPHERES COATED FROM PRISTINE GRAPHENE
- Publication number 20240253003
- Publication date Aug 1, 2024
- HydroGraph Clean Power Inc.
- Ranjith Divigalpitiya
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACTUATOR COMPRISING ELECTRICALLY CONDUCTIVE POROUS MATERIAL
- Publication number 20240026865
- Publication date Jan 25, 2024
- HydroGraph Clean Power Inc.
- Ranjith Divigalpitiya
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
THIN ELECTROTHERMAL FILM HEATER WITH VARIABLE THERMAL OUTPUT
- Publication number 20220264704
- Publication date Aug 18, 2022
- 3M Innovative Properties Company
- Ruixuan He
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COATING METHOD AND SYSTEM TO CREATE PATTERNED COATING LAYERS
- Publication number 20220258203
- Publication date Aug 18, 2022
- 3M Innovative Properties Company
- Cameron E. Derry
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS, METHOD OF MAKING A POWDER-RUBBED SUBSTRATE, AND POWDER-R...
- Publication number 20200164401
- Publication date May 28, 2020
- 3M Innovative Properties Company
- James N. Dobbs
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
ELECTRICALLY SWITCHABLE SHUTTER
- Publication number 20190174683
- Publication date Jun 13, 2019
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- E04 - BUILDING
Information Patent Application
HEATING TAPE AND SYSTEM
- Publication number 20190008000
- Publication date Jan 3, 2019
- 3M Innovative Properties Company
- Jian Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ELECTROCHEMICALLY-CONDUCTIVE ARTICLES INCLUDING CURRENT COLLECTORS...
- Publication number 20180005767
- Publication date Jan 4, 2018
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-LAYER COVER TAPE CONSTRUCTIONS WITH GRAPHITE COATINGS
- Publication number 20170051185
- Publication date Feb 23, 2017
- 3M Innovative Properties Company
- Shiow Shya Ling
- B32 - LAYERED PRODUCTS
Information Patent Application
Graphite Exfoliation Method
- Publication number 20170029280
- Publication date Feb 2, 2017
- 3M Innovative Properties Company
- David Julius
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ARTICLE AND METHOD OF MAKING AND USING THE SAME
- Publication number 20160200098
- Publication date Jul 14, 2016
- 3M Innovative Properties Company
- Arokiaraj Jesudoss
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method of Depositing Titania on a Substrate and Composite Article
- Publication number 20160076151
- Publication date Mar 17, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Ranjith Divigalpitiya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ELECTRICAL CONNECTORS AND METHODS OF MAKING SAME
- Publication number 20150333424
- Publication date Nov 19, 2015
- 3M INNOVATIVE PROPERTIES COMPANY
- Cheryl L. S. Elsbernd
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS FOR PATTERNING COATINGS
- Publication number 20150118457
- Publication date Apr 30, 2015
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
CARBON COATED ARTICLES AND METHODS FOR MAKING THE SAME
- Publication number 20140329082
- Publication date Nov 6, 2014
- Ranjith Divigalpitiya
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...
- Publication number 20140315088
- Publication date Oct 23, 2014
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Methods for Making Electrodes
- Publication number 20140302397
- Publication date Oct 9, 2014
- 3M Innovative Properties Company
- Andrew T. J. van Bommel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARTICLE AND METHOD OF MAKING AND USING THE SAME
- Publication number 20130244009
- Publication date Sep 19, 2013
- 3M Innovative Properties Company
- Arokiaraj Jesudoss
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTROCHEMICALLY-CONDUCTIVE ARTICLES INCLUDING CURRENT COLLECTORS...
- Publication number 20130224590
- Publication date Aug 29, 2013
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND APPARATUS FOR MAKING SCROLLS FROM EXFOLIATABLE MATERIALS
- Publication number 20130136923
- Publication date May 30, 2013
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...
- Publication number 20120231331
- Publication date Sep 13, 2012
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...
- Publication number 20100055569
- Publication date Mar 4, 2010
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Interdigital force switches and sensors
- Publication number 20070022828
- Publication date Feb 1, 2007
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Adhesive membrane for force switches and sensors
- Publication number 20060141192
- Publication date Jun 29, 2006
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Force sensing membrane
- Publication number 20060137462
- Publication date Jun 29, 2006
- Ranjith Divigalpitiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Durable electronic assembly with conductive adhesive
- Publication number 20040201112
- Publication date Oct 14, 2004
- Ranjith Divigalpitiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Pressure activated switch and touch panel
- Publication number 20030205450
- Publication date Nov 6, 2003
- 3M Innovative Properties Company
- Ranjith Divigalpitiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for making particle-embedded webs
- Publication number 20030129302
- Publication date Jul 10, 2003
- 3M Innovative Properties Company
- David C. Chambers
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Method and apparatus for making particle-embedded webs
- Publication number 20020119255
- Publication date Aug 29, 2002
- Ranjith Divigalpitiya
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Ranjith Divigalpitiya

Person

Patents Grantslast 30 patents

Electrically switchable shutter

Heating tape and system

Carbon coated articles and methods for making the same

Method of depositing titania on a substrate and composite article

Electrically conductive article with high optical transmission

Article and method of making and using the same

Electrode including current collector with nano-scale coating and m...

Electrode including current collector with nano-scale coating and m...

Method and apparatus for making scrolls from exfoliatable materials

Electrode including current collector with nano-scale coating and m...

Interdigital force switches and sensors

Adhesive membrane for force switches and sensors

Force sensing membrane

Durable electronic assembly with conductive adhesive

Method and apparatus for making particle-embedded webs

Pressure activated switch and touch panel

Method and apparatus for making particle-embedded webs

Coatings and methods

Detector plate for use in imaging systems

Patents Applicationslast 30 patents

HOLLOW GLASS MICROSPHERES COATED FROM REACTIVE GRAPHENE

HOLLOW GLASS MICROSPHERES COATED FROM PRISTINE GRAPHENE

ACTUATOR COMPRISING ELECTRICALLY CONDUCTIVE POROUS MATERIAL

THIN ELECTROTHERMAL FILM HEATER WITH VARIABLE THERMAL OUTPUT

COATING METHOD AND SYSTEM TO CREATE PATTERNED COATING LAYERS

APPARATUS, METHOD OF MAKING A POWDER-RUBBED SUBSTRATE, AND POWDER-R...

ELECTRICALLY SWITCHABLE SHUTTER

HEATING TAPE AND SYSTEM

ELECTROCHEMICALLY-CONDUCTIVE ARTICLES INCLUDING CURRENT COLLECTORS...

MULTI-LAYER COVER TAPE CONSTRUCTIONS WITH GRAPHITE COATINGS

Graphite Exfoliation Method

ARTICLE AND METHOD OF MAKING AND USING THE SAME

Method of Depositing Titania on a Substrate and Composite Article

ELECTRICAL CONNECTORS AND METHODS OF MAKING SAME

METHODS FOR PATTERNING COATINGS

CARBON COATED ARTICLES AND METHODS FOR MAKING THE SAME

ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...

Methods for Making Electrodes

ARTICLE AND METHOD OF MAKING AND USING THE SAME

ELECTROCHEMICALLY-CONDUCTIVE ARTICLES INCLUDING CURRENT COLLECTORS...

METHOD AND APPARATUS FOR MAKING SCROLLS FROM EXFOLIATABLE MATERIALS

ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...

ELECTRODE INCLUDING CURRENT COLLECTOR WITH NANO-SCALE COATING AND M...

Interdigital force switches and sensors

Adhesive membrane for force switches and sensors

Force sensing membrane

Durable electronic assembly with conductive adhesive

Pressure activated switch and touch panel

Method and apparatus for making particle-embedded webs

Method and apparatus for making particle-embedded webs