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Jing James YAO

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  • Mississauga, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Foot valve assembly for a down hole drill
    • Patent number 8,561,730
    • Issue date Oct 22, 2013
    • Atlas Copco Secoroc LLC
    • Jing James Yao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Vibratory milling machine having linear reciprocating motion
    • Patent number 8,079,647
    • Issue date Dec 20, 2011
    • Longyear TM, Inc.
    • Jing James Yao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vibratory machine
    • Patent number 8,056,985
    • Issue date Nov 15, 2011
    • Longyear TM, Inc.
    • Jing James Yao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Stabilizer for drill strings
    • Patent number 7,954,566
    • Issue date Jun 7, 2011
    • Boart Longyear Global Holdco Inc.
    • Jing James Yao
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Bi-steel percussive drill rod
    • Patent number 7,900,719
    • Issue date Mar 8, 2011
    • Longyear TM, Inc.
    • Jing James Yao
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Continuous vibratory milling machine
    • Patent number 7,828,393
    • Issue date Nov 9, 2010
    • Boart Longyear Inc.
    • Jing James Yao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vibratory milling machine having linear reciprocating motion
    • Patent number 7,434,890
    • Issue date Oct 14, 2008
    • Boart Longyear Inc.
    • Jing James Yao
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents