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Brett E. Dahlgren

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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular and tiled optical sensors
    • Patent number 11,879,844
    • Issue date Jan 23, 2024
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Nucleic acid detection
    • Patent number 11,815,430
    • Issue date Nov 14, 2023
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Printhead cartridge molded with nozzle health sensor
    • Patent number 10,207,508
    • Issue date Feb 19, 2019
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printhead dies molded with nozzle health sensor
    • Patent number 9,770,909
    • Issue date Sep 26, 2017
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Color sensor
    • Patent number 9,651,425
    • Issue date May 16, 2017
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Diagonal openings in photodefinable glass
    • Patent number 9,446,590
    • Issue date Sep 20, 2016
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Drop detector
    • Patent number 9,259,925
    • Issue date Feb 16, 2016
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Collection optics for a color sensor
    • Patent number 9,007,586
    • Issue date Apr 14, 2015
    • Hewlett-Packard Development Company, L.P.
    • Stephan Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Color measurement device
    • Patent number 8,687,193
    • Issue date Apr 1, 2014
    • Hewlett-Packard Development Company, L.P.
    • Brett E. Dahlgren
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Color sensing device
    • Patent number 8,665,438
    • Issue date Mar 4, 2014
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Viewing cone adjustment system
    • Patent number 8,665,381
    • Issue date Mar 4, 2014
    • Hewlett-Packard Development Company, L.P.
    • Brett E. Dahlgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Identifying a color profile for an illuminant
    • Patent number 8,625,157
    • Issue date Jan 7, 2014
    • Hewlett-Packard Development Company, L.P.
    • Oscar Martinez
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Color sensing device
    • Patent number 8,390,810
    • Issue date Mar 5, 2013
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    GRIN lens array light projector and method
    • Patent number 8,355,127
    • Issue date Jan 15, 2013
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Color detector having area scaled photodetectors
    • Patent number 8,319,969
    • Issue date Nov 27, 2012
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hard copy re-emission color measurement system
    • Patent number 8,125,625
    • Issue date Feb 28, 2012
    • Hewlett-Packard Development Company, L.P.
    • Stephan Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Filter design for colorimetric measurement
    • Patent number 7,916,301
    • Issue date Mar 29, 2011
    • Hewlett-Packard Development Company, L.P.
    • Brett E. Dahlgren
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical device for dispersing light
    • Patent number 7,894,064
    • Issue date Feb 22, 2011
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hybrid data planes
    • Patent number 7,768,538
    • Issue date Aug 3, 2010
    • Hewlett-Packard Development Company, L.P.
    • Wiatt E. Kettle
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Optical assembly for a projection system
    • Patent number 7,441,909
    • Issue date Oct 28, 2008
    • Hewlett-Packard Development Company, L.P.
    • Scott Lerner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro-displays
    • Patent number 7,436,571
    • Issue date Oct 14, 2008
    • Hewlett-Packard Development Company, L.P.
    • John R Sterner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Prism assembly
    • Patent number 7,359,122
    • Issue date Apr 15, 2008
    • Hewlett-Packard Development Company, L.P.
    • James W. Ring
    • G02 - OPTICS
  • Information Patent Grant

    Display system incorporating spectral separation and homogenization
    • Patent number 7,018,044
    • Issue date Mar 28, 2006
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro-mirror device with light angle amplification
    • Patent number 6,972,882
    • Issue date Dec 6, 2005
    • Hewlett-Packard Development Company, L.P.
    • James W. Ring
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Projector brightness enhancement using rectilinear apertures
    • Patent number 6,886,944
    • Issue date May 3, 2005
    • Hewlett-Packard Development Company, L.P.
    • Brett Dahlgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Control of adhesive flow in an inkjet printer printhead
    • Patent number 6,318,843
    • Issue date Nov 20, 2001
    • Hewlett-Packard Company
    • Melanie J Feder
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROFLUIDIC DEVICES
    • Publication number 20230123792
    • Publication date Apr 20, 2023
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MICROFLUIDIC REACTION CHAMBER WITH A REACTION CHAMBER CIRCUIT
    • Publication number 20230001412
    • Publication date Jan 5, 2023
    • Hewlett-Packard Development Company, L.P.
    • Alexander GOVYADINOV
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MODULAR AND TILED OPTICAL SENSORS
    • Publication number 20220113255
    • Publication date Apr 14, 2022
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • G01 - MEASURING TESTING
  • Information Patent Application

    NUCLEIC ACID DETECTION
    • Publication number 20210372925
    • Publication date Dec 2, 2021
    • Hewlett-Packard Development Company, L.P.
    • Alexander Govyadinov
    • G01 - MEASURING TESTING
  • Information Patent Application

    PRINTHEAD CARTRIDGE MOLDED WITH NOZZLE HEALTH SENSOR
    • Publication number 20180001642
    • Publication date Jan 4, 2018
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua CHEN
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PRINTHEAD DIES MOLDED WITH NOZZLE HEALTH SENSOR
    • Publication number 20160339695
    • Publication date Nov 24, 2016
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua CHEN
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DIAGONAL OPENINGS IN PHOTODEFINABLE GLASS
    • Publication number 20150210074
    • Publication date Jul 30, 2015
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DROP DETECTOR
    • Publication number 20140078213
    • Publication date Mar 20, 2014
    • Alexander Govyadinov
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    COLOR SENSING DEVICE
    • Publication number 20130148124
    • Publication date Jun 13, 2013
    • Hewlett-Packard Development Company, L.P.
    • Stephan R. CLARK
    • G02 - OPTICS
  • Information Patent Application

    COLLECTION OPTICS FOR A COLOR SENSOR
    • Publication number 20120038923
    • Publication date Feb 16, 2012
    • Stephan Clark
    • G02 - OPTICS
  • Information Patent Application

    GRIN LENS ARRAY LIGHT PROJECTOR AND METHOD
    • Publication number 20120013906
    • Publication date Jan 19, 2012
    • Alexander Govyadinov
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    COLOR SENSOR
    • Publication number 20110310389
    • Publication date Dec 22, 2011
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Application

    COLOR MEASUREMENT DEVICE
    • Publication number 20110211196
    • Publication date Sep 1, 2011
    • Brett E. Dahlgren
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IDENTIFYING A COLOR PROFILE FOR AN ILLUMINANT
    • Publication number 20110096343
    • Publication date Apr 28, 2011
    • Oscar Martinez
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Hard copy re-emission color measurement system
    • Publication number 20110007302
    • Publication date Jan 13, 2011
    • Stephan Clark
    • G01 - MEASURING TESTING
  • Information Patent Application

    COLOR DETECTOR HAVING AREA SCALED PHOTODETECTORS
    • Publication number 20100321694
    • Publication date Dec 23, 2010
    • Stephan R. Clark
    • G01 - MEASURING TESTING
  • Information Patent Application

    Filter Design for Colorimetric Measurement
    • Publication number 20100091286
    • Publication date Apr 15, 2010
    • Brett E. Dahlgren
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL DEVICE FOR DISPERSING LIGHT
    • Publication number 20090180117
    • Publication date Jul 16, 2009
    • Stephan R. Clark
    • G02 - OPTICS
  • Information Patent Application

    Prism assembly
    • Publication number 20060279846
    • Publication date Dec 14, 2006
    • James W. Ring
    • G02 - OPTICS
  • Information Patent Application

    Hybrid data planes
    • Publication number 20060250423
    • Publication date Nov 9, 2006
    • Wiatt E. Kettle
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Viewing cone adjustment system
    • Publication number 20060238658
    • Publication date Oct 26, 2006
    • Brett E. Dahlgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Modulating spatial light modulator with logically OR'ed values of b...
    • Publication number 20060164443
    • Publication date Jul 27, 2006
    • Wiatt E. Kettle
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Optical assembly for a projection system
    • Publication number 20060158620
    • Publication date Jul 20, 2006
    • Scott Lerner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Micro-displays
    • Publication number 20060082737
    • Publication date Apr 20, 2006
    • John R. Sterner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Display system incorporating spectral separation and homogenization
    • Publication number 20040263791
    • Publication date Dec 30, 2004
    • Chien-Hua Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Projector brightness enhancement using rectilinear apertures
    • Publication number 20040227909
    • Publication date Nov 18, 2004
    • Brett Dahlgren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CONTROL OF ADHESIVE FLOW IN AN INKJET PRINTER PRINTHEAD
    • Publication number 20010043252
    • Publication date Nov 22, 2001
    • HEWLETT-PACKARD COMPANY
    • MELANIE J. FEDER
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS