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Christopher A Hemstock

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  • Calgary, CA
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    STACKED-PLATE FILTERS, FILTER PLATES, AND METHODS FOR A STACKED-PLA...
    • Publication number 20220054984
    • Publication date Feb 24, 2022
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    GRAVITY DESANDING APPARATUS WITH FILTER POLISHER
    • Publication number 20180347335
    • Publication date Dec 6, 2018
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD AND APPARATUS USING CLOSELY SPACED PLATES TO SEPARATE FLUIDS...
    • Publication number 20180345177
    • Publication date Dec 6, 2018
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    BOUNDARY LAYER MODIFICATION IN CLOSELY-SPACED PASSAGES
    • Publication number 20180345180
    • Publication date Dec 6, 2018
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    STACKED-PLATE FILTER AND A METHOD OF USE
    • Publication number 20180161705
    • Publication date Jun 14, 2018
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DESANDING APPARATUS AND A METHOD OF USING SAME
    • Publication number 20160082377
    • Publication date Mar 24, 2016
    • SPECIALIZED DESANDERS INC.
    • Christopher HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EROSION RESISTANT FLOW CONDUIT
    • Publication number 20160024866
    • Publication date Jan 28, 2016
    • SPECIALIZED DESANDERS INC.
    • Christopher A. HEMSTOCK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DESANDING APPARATUS AND A METHOD OF USING THE SAME
    • Publication number 20150165358
    • Publication date Jun 18, 2015
    • SPECIALIZED DESANDERS INC.
    • Christopher HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DESANDING APPARATUS AND A METHOD OF USING SAME
    • Publication number 20150090122
    • Publication date Apr 2, 2015
    • SPECIALIZED DESANDERS INC.
    • Christopher HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DESANDING APPARATUS AND A METHOD OF USING SAME
    • Publication number 20140216256
    • Publication date Aug 7, 2014
    • SPECIALIZED DESANDERS INC.
    • Christopher HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EROSION RESISTANT FLOW CONDUIT
    • Publication number 20140166149
    • Publication date Jun 19, 2014
    • SPECIALIZED TECH INC.
    • Christopher A HEMSTOCK
    • G01 - MEASURING TESTING
  • Information Patent Application

    DESANDING APPARATUS AND SYSTEM
    • Publication number 20130206007
    • Publication date Aug 15, 2013
    • SPECIALIZED TECH INC.
    • Christopher A HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DESANDING APPARATUS AND SYSTEM
    • Publication number 20060289353
    • Publication date Dec 28, 2006
    • SPECIALIZED TECH INC.
    • Christopher A HEMSTOCK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Desanding apparatus and system
    • Publication number 20040074838
    • Publication date Apr 22, 2004
    • Christopher A. Hemstock
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL