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Hien Duong

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  • Mississauga, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor casing with slots and grooves
    • Patent number 12,071,959
    • Issue date Aug 27, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine strut flow control
    • Patent number 12,055,057
    • Issue date Aug 6, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Impeller with hub sweep
    • Patent number 12,018,583
    • Issue date Jun 25, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air intake plenum with struts
    • Patent number 11,965,459
    • Issue date Apr 23, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stator with depressions in gaspath wall adjacent leading edges
    • Patent number 11,639,666
    • Issue date May 2, 2023
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor with casing treatment
    • Patent number 11,572,897
    • Issue date Feb 7, 2023
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan assembly having flow recirculation circuit with rotating airfoils
    • Patent number 11,499,475
    • Issue date Nov 15, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Diffuser pipe with axially-directed exit
    • Patent number 11,435,079
    • Issue date Sep 6, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tandem stator with depressions in gaspath wall
    • Patent number 11,415,012
    • Issue date Aug 16, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Diffuser pipe with curved cross-sectional shapes
    • Patent number 11,391,296
    • Issue date Jul 19, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor diffuser and diffuser pipes therefor
    • Patent number 11,378,005
    • Issue date Jul 5, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Diffuser pipe with exit scallops
    • Patent number 11,286,951
    • Issue date Mar 29, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller exducer cavity with flow recirculation
    • Patent number 11,268,536
    • Issue date Mar 8, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller splitter optimization
    • Patent number 11,225,870
    • Issue date Jan 18, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor stator
    • Patent number 11,220,910
    • Issue date Jan 11, 2022
    • Pratt & Whitney Canada Corp.
    • Alexandre Capron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diffuser pipe with splitter vane
    • Patent number 11,215,196
    • Issue date Jan 4, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Impeller tip cavity
    • Patent number 11,143,201
    • Issue date Oct 12, 2021
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diffuser pipe with asymmetry
    • Patent number 11,136,993
    • Issue date Oct 5, 2021
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor stator with leading edge fillet
    • Patent number 11,118,466
    • Issue date Sep 14, 2021
    • PRATT & WHIINEY CANADA CORP.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fan assembly having flow recirculation circuit with guide vanes
    • Patent number 10,900,414
    • Issue date Jan 26, 2021
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tandem stators with flow recirculation conduit
    • Patent number 10,876,549
    • Issue date Dec 29, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Diffuser pipe with non-axisymmetric end wall
    • Patent number 10,823,195
    • Issue date Nov 3, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane diffuser and method for controlling a compressor having same
    • Patent number 10,823,197
    • Issue date Nov 3, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inter-compressor flow divider profiling
    • Patent number 10,781,705
    • Issue date Sep 22, 2020
    • Pratt & Whitney Canada Corp.
    • Jason Nichols
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Turbo-machinery rotors with rounded tip edge
    • Patent number 10,760,499
    • Issue date Sep 1, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor rotor airfoil
    • Patent number 10,760,424
    • Issue date Sep 1, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Airfoil with stepped spanwise thickness distribution
    • Patent number 10,718,215
    • Issue date Jul 21, 2020
    • Pratt & Whitney Canada Corp.
    • Raman Warikoo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Impeller
    • Patent number 10,669,854
    • Issue date Jun 2, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressor stator vane with leading edge forward sweep
    • Patent number 10,578,125
    • Issue date Mar 3, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diffuser pipe with splitter vane
    • Patent number 10,570,925
    • Issue date Feb 25, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR BLEED OFFTAKE
    • Publication number 20250052191
    • Publication date Feb 13, 2025
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AIRFOIL THICKNESS PROFILE FOR MINIMIZING TIP LEAKAGE FLOW
    • Publication number 20240426218
    • Publication date Dec 26, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE ARRAY STRUCTURE WITH RECESSED STATOR VANES
    • Publication number 20240280030
    • Publication date Aug 22, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AIR INTAKE PLENUM WITH STRUTS
    • Publication number 20240271563
    • Publication date Aug 15, 2024
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE STRUT FLOW CONTROL
    • Publication number 20240218809
    • Publication date Jul 4, 2024
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AIR INTAKE PLENUM WITH STRUTS
    • Publication number 20230332540
    • Publication date Oct 19, 2023
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DEVICES AND METHODS FOR GUIDING BLEED AIR IN A TURBOFAN ENGINE
    • Publication number 20230304448
    • Publication date Sep 28, 2023
    • Pratt & Whitney Canada Corp.
    • Alexandre CAPRON
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    STATOR WITH DEPRESSIONS IN GASPATH WALL ADJACENT LEADING EDGES
    • Publication number 20230072853
    • Publication date Mar 9, 2023
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    STATOR WITH DEPRESSIONS IN GASPATH WALL ADJACENT TRAILING EDGES
    • Publication number 20230073422
    • Publication date Mar 9, 2023
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR WITH CASING TREATMENT
    • Publication number 20230016778
    • Publication date Jan 19, 2023
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    COMPRESSOR DIFFUSER AND DIFFUSER PIPES THEREFOR
    • Publication number 20220195918
    • Publication date Jun 23, 2022
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    IMPELLER EXDUCER CAVITY WITH FLOW RECIRCULATION
    • Publication number 20220074423
    • Publication date Mar 10, 2022
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR STATOR WITH LEADING EDGE FILLET
    • Publication number 20210372288
    • Publication date Dec 2, 2021
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    DIFFUSER PIPE WITH RADIALLY-OUTWARD EXIT
    • Publication number 20210172455
    • Publication date Jun 10, 2021
    • Pratt & Whitney Canada Corp.
    • Gavin KISUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER WITH HUB SWEEP
    • Publication number 20210156259
    • Publication date May 27, 2021
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DIFFUSER PIPE WITH SPLITTER VANE
    • Publication number 20210095696
    • Publication date Apr 1, 2021
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPRESSOR STATOR
    • Publication number 20210025277
    • Publication date Jan 28, 2021
    • Pratt & Whitney Canada Corp.
    • Alexandre CAPRON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIFFUSER PIPE WITH AXIALLY-DIRECTED EXIT
    • Publication number 20200393129
    • Publication date Dec 17, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIFFUSER PIPE WITH EXIT SCALLOPS
    • Publication number 20200370567
    • Publication date Nov 26, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIFFUSER PIPE WITH ASYMMETRY
    • Publication number 20200318649
    • Publication date Oct 8, 2020
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    TANDEM STATORS WITH FLOW RECIRCULATION CONDUIT
    • Publication number 20200318492
    • Publication date Oct 8, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    IMPELLER TIP CAVITY
    • Publication number 20200291959
    • Publication date Sep 17, 2020
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER SPLITTER OPTIMIZATION
    • Publication number 20200248561
    • Publication date Aug 6, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FAN ASSEMBLY HAVING FLOW RECIRCULATION CIRCUIT WITH GUIDE VANES
    • Publication number 20200165969
    • Publication date May 28, 2020
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN ASSEMBLY HAVING FLOW RECIRCULATION CIRCUIT WITH ROTATING AIRFOILS
    • Publication number 20200165968
    • Publication date May 28, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTER-COMPRESSOR FLOW DIVIDER PROFILING
    • Publication number 20200165924
    • Publication date May 28, 2020
    • Pratt & Whitney Canada Corp.
    • Jason NICHOLS
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    DIFFUSER PIPE WITH SPLITTER VANE
    • Publication number 20200149550
    • Publication date May 14, 2020
    • Pratt & Whitney Canada Corp.
    • Hien DUONG
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    COMPRESSOR STATOR WITH LEADING EDGE FILLET
    • Publication number 20200123918
    • Publication date Apr 23, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FAN ASSEMBLY WITH RECIRCULATION FLOW
    • Publication number 20200124052
    • Publication date Apr 23, 2020
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DIFFUSER PIPE WITH NON-AXISYMMETRIC END WALL
    • Publication number 20190316600
    • Publication date Oct 17, 2019
    • Pratt & Whitney Canada Corp.
    • Hien Duong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...