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Brian J. Keefe

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  • LaJolla, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    NUCLEIC ACID STRAND DETECTIONS
    • Publication number 20240355423
    • Publication date Oct 24, 2024
    • Hewlett-Packard Development Company, L.P.
    • Yiming Zuo
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    OVERFILL-TOLERANT MICROFLUIDIC STRUCTURES
    • Publication number 20240226878
    • Publication date Jul 11, 2024
    • Hewlett-Packard Development Company, L.P.
    • Michael W. Cumbie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PCR SYSTEM
    • Publication number 20240218434
    • Publication date Jul 4, 2024
    • Hewlett-Packard Development Company, L.P.
    • Michael Cumbie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BARRIERS IN MICROFLUIDIC CHANNELS
    • Publication number 20230303996
    • Publication date Sep 28, 2023
    • Hewlett-Packard Development Company, L.P.
    • Jacob Shane Sasser
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • 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

    FLUID IDENTIFICATION VIA ELECTROCHEMICAL LABELS
    • Publication number 20220065815
    • Publication date Mar 3, 2022
    • Hewlett-Packard Development Company, L.P.
    • Tod Woodford
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRODE PAIRS ON EITHER SIDE OF MICROFLUIDIC CHANNELS
    • Publication number 20220062901
    • Publication date Mar 3, 2022
    • Hewlett-Packard Development Company, L.P.
    • Brian J. Keefe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    RAPID THERMAL CYCLING
    • Publication number 20210322991
    • Publication date Oct 21, 2021
    • Hewlett-Packard Development Company, L.P.
    • Diane HAMMERSTAD
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    INKJET PRINTING METHOD AND APPARATUS
    • Publication number 20200164661
    • Publication date May 28, 2020
    • Hewlett-Packard Development Company, L.P.
    • Zhang-Lin Zhou
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    INKJET PRINTING METHOD AND APPARATUS
    • Publication number 20200140711
    • Publication date May 7, 2020
    • Zhang-Lin ZHOU
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DUAL REGULATOR PRINT MODULE
    • Publication number 20190111687
    • Publication date Apr 18, 2019
    • Hewlett-Packard Development Company, L.P.
    • Brian J. Keefe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DUAL REGULATOR PRINT MODULE
    • Publication number 20190001686
    • Publication date Jan 3, 2019
    • HEWLETI-PACKARD DEVELOPMENT COMPANY, L.P.
    • Brian J. Keefe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DUAL REGULATOR PRINT MODULE
    • Publication number 20170313088
    • Publication date Nov 2, 2017
    • Hewlett-Packard Development Company, L.P.
    • Brian J. Keefe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    SERVICING A PRINTHEAD OF A PRINTER
    • Publication number 20170217189
    • Publication date Aug 3, 2017
    • Hewlett-Packard Development Company, L.P.
    • Jeffrey Allen Wagner
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    DUAL REGULATOR PRINT MODULE
    • Publication number 20130169710
    • Publication date Jul 4, 2013
    • Brian J. Keefe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Substrate for fluid ejection devices
    • Publication number 20040100522
    • Publication date May 27, 2004
    • Janis Horvath
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Method of forming substrate with fluid passage supports
    • Publication number 20030231229
    • Publication date Dec 18, 2003
    • Janis Horvath
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Ink-jet printhead and method for producing the same
    • Publication number 20030210302
    • Publication date Nov 13, 2003
    • Brian J. Keefe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Electrical circuit for printhead assembly
    • Publication number 20030202047
    • Publication date Oct 30, 2003
    • David McElfresh
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Substrate for fluid ejection devices
    • Publication number 20030007034
    • Publication date Jan 9, 2003
    • Janis Horvath
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    ELECTRICAL CIRCUIT FOR WIDE-ARRAY INKJET PRINTHEAD ASSEMBLY
    • Publication number 20020109751
    • Publication date Aug 15, 2002
    • David McElfresh
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Electrical connection for wide-array inkjet printhead assembly with...
    • Publication number 20020051036
    • Publication date May 2, 2002
    • Joseph E. Scheffelin
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS