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David Jonathan Chalk

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  • Slatington, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Apparatus and Method for Dispensing a Cryogenic Fluid
    • Publication number 20240353066
    • Publication date Oct 24, 2024
    • Air Products and Chemicals, Inc.
    • ANUP VASANT SANE
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    APPARATUS AND METHOD FOR CRYOGENIC PUMP COOLDOWN
    • Publication number 20230287875
    • Publication date Sep 14, 2023
    • Air Products and Chemicals, Inc.
    • Steven W. Hoffman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and System for Forming and Dispensing a Compressed Gas
    • Publication number 20230279996
    • Publication date Sep 7, 2023
    • Air Products and Chemicals, Inc.
    • Michael Cacciapalle
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    SYSTEM AND METHOD FOR GASEOUS HYDROGEN RECOVERY IN A HYDROGEN FUELI...
    • Publication number 20230107342
    • Publication date Apr 6, 2023
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    Method and System for Forming and Dispensing a Compressed Gas
    • Publication number 20220128195
    • Publication date Apr 28, 2022
    • Air Products and Chemicals, Inc.
    • Michael Cacciapalle
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    Annular Sealing Assembly
    • Publication number 20200332900
    • Publication date Oct 22, 2020
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Seal Assembly for Reciprocating Compressor
    • Publication number 20200102946
    • Publication date Apr 2, 2020
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Wear-Compensating Sealing Ring Assembly
    • Publication number 20140090554
    • Publication date Apr 3, 2014
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compressor Assemblies and Methods to Minimize Venting of a Process...
    • Publication number 20130125568
    • Publication date May 23, 2013
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-speed compressor/pump apparatus
    • Publication number 20070028628
    • Publication date Feb 8, 2007
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    High impact discharge valve
    • Publication number 20060260693
    • Publication date Nov 23, 2006
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Zero-clearance ultra-high-pressure gas compressor
    • Publication number 20050284155
    • Publication date Dec 29, 2005
    • Bharat Lajjaram Bhatt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Directional, low-leakage seal assembly
    • Publication number 20020145259
    • Publication date Oct 10, 2002
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING SYSTEM AND METHOD FOR PUMPING FLUIDS
    • Publication number 20020144509
    • Publication date Oct 10, 2002
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...