TREA

Sheldon Chang

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  • Port Jefferson, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct drive linear flow blood pump
    • Patent number 7,074,018
    • Issue date Jul 11, 2006
    • Sheldon Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for cardiac restoration
    • Patent number 7,029,433
    • Issue date Apr 18, 2006
    • Sheldon S. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Cascaded progressing cavity pump system
    • Patent number 5,820,354
    • Issue date Oct 13, 1998
    • Robbins & Myers, Inc.
    • Alan G. Wild
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotor driven linear flow blood pump
    • Publication number 20060089521
    • Publication date Apr 27, 2006
    • Sheldon S. L. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Direct drive linear flow blood pump
    • Publication number 20050008509
    • Publication date Jan 13, 2005
    • Sheldon Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Device for cardiac restoration
    • Publication number 20030187481
    • Publication date Oct 2, 2003
    • Sheldon S. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE