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Si-Lam Choy

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  • Corvallis, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recirculation bypass
    • Patent number 12,023,937
    • Issue date Jul 2, 2024
    • Hewlett-Packard Development Company, L.P.
    • Jacob M. Lum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluidic dies
    • Patent number 11,987,055
    • Issue date May 21, 2024
    • Hewlett-Packard Development Company, L.P.
    • Jacob Lum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Coplanar modular printbars
    • Patent number 11,975,468
    • Issue date May 7, 2024
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Metered volume microfluidic devices
    • Patent number 11,964,277
    • Issue date Apr 23, 2024
    • Hewlett-Packard Development Company, L.P.
    • David Olsen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Nozzle arrangements
    • Patent number 11,958,293
    • Issue date Apr 16, 2024
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Microfluidic devices
    • Patent number 11,925,932
    • Issue date Mar 12, 2024
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Printing fluid circulation
    • Patent number 11,807,019
    • Issue date Nov 7, 2023
    • Hewlett-Packard Development Company, L.P.
    • Ronald Albert Askeland
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Nozzle arrangements
    • Patent number 11,807,005
    • Issue date Nov 7, 2023
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Nozzle arrangements and supply channels
    • Patent number 11,712,896
    • Issue date Aug 1, 2023
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluid circulation and ejection
    • Patent number 11,691,431
    • Issue date Jul 4, 2023
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluidic ejection dies with enclosed cross-channels
    • Patent number 11,654,680
    • Issue date May 23, 2023
    • Hewlett-Packard Development Company, L.P.
    • Si-Iam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Microfluidic device with manifold
    • Patent number 11,597,646
    • Issue date Mar 7, 2023
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Fluid ejection polymeric recirculation channel
    • Patent number 11,597,204
    • Issue date Mar 7, 2023
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Biological fluid dilution devices
    • Patent number 11,441,977
    • Issue date Sep 13, 2022
    • Hewlett-Packard Development Company, L.P.
    • Gary G. Lutnesky
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluidic dies
    • Patent number 11,390,075
    • Issue date Jul 19, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Curved fluid ejection devices
    • Patent number 11,351,787
    • Issue date Jun 7, 2022
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Fluidic cartridges
    • Patent number 11,331,923
    • Issue date May 17, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method of preparing test samples
    • Patent number 11,326,200
    • Issue date May 10, 2022
    • Hewlett-Packard Development Company, L.P.
    • Michael W. Cumbie
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Fluidic dies
    • Patent number 11,325,385
    • Issue date May 10, 2022
    • Hewlett-Packard Development Company, L.P.
    • Jacob Lum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Nozzle arrangements and supply channels
    • Patent number 11,305,537
    • Issue date Apr 19, 2022
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluid circulation and ejection
    • Patent number 11,292,265
    • Issue date Apr 5, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Nozzle arrangements and feed holes
    • Patent number 11,247,470
    • Issue date Feb 15, 2022
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Bubblers to provide sequential fluid flow
    • Patent number 11,207,894
    • Issue date Dec 28, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluidic ejection devices with enclosed cross-channels
    • Patent number 11,155,086
    • Issue date Oct 26, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-Iam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Rotatable service assembly for fluid ejection die
    • Patent number 11,155,094
    • Issue date Oct 26, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printhead assembly
    • Patent number 11,117,376
    • Issue date Sep 14, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam J. Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Cross-die recirculation channels and chamber recirculation channels
    • Patent number 11,065,883
    • Issue date Jul 20, 2021
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluidic ejection dies with enclosed cross-channels
    • Patent number 11,059,291
    • Issue date Jul 13, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Nozzle arrangements
    • Patent number 11,034,151
    • Issue date Jun 15, 2021
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Fluid ejection die fluid recirculation
    • Patent number 10,946,648
    • Issue date Mar 16, 2021
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    SAMPLE PREPARATION CARTRIDGE MODULE
    • Publication number 20240042441
    • Publication date Feb 8, 2024
    • HP Health Solutions Inc.
    • Si-Lam J. Choy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METERED VOLUME MICROFLUIDIC DEVICES
    • Publication number 20230285964
    • Publication date Sep 14, 2023
    • HEWLETT-PACKARD DEVELOPMENT COMPANY L.P.
    • David OLSEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    NOZZLE ARRANGEMENTS
    • Publication number 20230234355
    • Publication date Jul 27, 2023
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    MICROFLUIDIC NANOPORE SENSING DEVICES
    • Publication number 20230103446
    • Publication date Apr 6, 2023
    • Hewlett-Packard Development Company, L.P.
    • Si-lam J. CHOY
    • G01 - MEASURING TESTING
  • Information Patent Application

    RECIRCULATION BYPASS
    • Publication number 20230103786
    • Publication date Apr 6, 2023
    • Hewlett-Packard Development Company, L.P.
    • Jacob M. Lum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • 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

    VERTICALLY LAYERED FLUID COLUMNS
    • Publication number 20220314215
    • Publication date Oct 6, 2022
    • Hewlett-Packard Development Company, L.P.
    • Hilary ELY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BIOLOGICAL COMPONENT SEPARATORS
    • Publication number 20220297137
    • Publication date Sep 22, 2022
    • Hewlett-Packard Development Company, L.P.
    • Hilary Ely
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    FLUID PREPARATION DEVICES
    • Publication number 20220297115
    • Publication date Sep 22, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam J. CHOY
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    MULTI-FLUID DENSITY GRADIENT COLUMNS
    • Publication number 20220250061
    • Publication date Aug 11, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam J. Choy
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    CONCENTRATING BIOLOGICAL COMPONENTS
    • Publication number 20220251539
    • Publication date Aug 11, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Lam J. CHOY
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    SUBSTRATES AND LIDS WITH OVERFLOW CHANNELS
    • Publication number 20220250389
    • Publication date Aug 11, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    NOZZLE ARRANGEMENTS AND SUPPLY CHANNELS
    • Publication number 20220227131
    • Publication date Jul 21, 2022
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUID CIRCULATION AND EJECTION
    • Publication number 20220203696
    • Publication date Jun 30, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-Iam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PRINTING FLUID CIRCULATION
    • Publication number 20220161568
    • Publication date May 26, 2022
    • Hewlett-Packard Development Company, L.P.
    • Ronald Albert Askeland
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUIDIC DIES
    • Publication number 20220161564
    • Publication date May 26, 2022
    • Hewlett-Packard Development Company, L.P.
    • Jacob Lum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    COPLANAR MODULAR PRINTBARS
    • Publication number 20220143883
    • Publication date May 12, 2022
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FLUID EJECTION POLYMERIC RECIRCULATION CHANNEL
    • Publication number 20220105725
    • Publication date Apr 7, 2022
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    MICROFLUIDIC REACTION CHAMBER FOR AMPLIFICATION OF NUCLEIC ACIDS
    • Publication number 20220048026
    • Publication date Feb 17, 2022
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    CURVED FLUID EJECTION DEVICES
    • Publication number 20220032626
    • Publication date Feb 3, 2022
    • Hewlett-Packard Development Company, L.P.
    • Chien-Hua Chen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FLUIDIC EJECTION DIES WITH ENCLOSED CROSS-CHANNELS
    • Publication number 20210291547
    • Publication date Sep 23, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-Iam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    NOZZLE ARRANGEMENTS
    • Publication number 20210291520
    • Publication date Sep 23, 2021
    • Hewlett-Packard Development Company, L.P.
    • Galen Cook
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUIDIC CARTRIDGES
    • Publication number 20210276338
    • Publication date Sep 9, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUID EJECTION ASSEMBLIES
    • Publication number 20210187957
    • Publication date Jun 24, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    MICROFLUIDIC DEVICES
    • Publication number 20210170397
    • Publication date Jun 10, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BUBBLERS TO PROVIDE SEQUENTIAL FLUID FLOW
    • Publication number 20210162767
    • Publication date Jun 3, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUIDIC EJECTION DIES WITH ENCLOSED CROSS-CHANNELS
    • Publication number 20210129534
    • Publication date May 6, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    SLIDABLE SERVICE ASSEMBLIES
    • Publication number 20210129536
    • Publication date May 6, 2021
    • Hewlett-Packard Development Company, L.P.
    • Si-lam Choy
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    FLUIDIC DIES
    • Publication number 20210114032
    • Publication date Apr 22, 2021
    • Hewlett-Packard Development Company, L.P.
    • Garrett E. Clark
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BIOLOGICAL FLUID DILUTION DEVICES
    • Publication number 20210080362
    • Publication date Mar 18, 2021
    • Hewlett-Packard Development Company, L.P.
    • Gary G. Lutnesky
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL