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Hoang Mai Trankiem

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  • Watertown, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a razor
    • Patent number 9,027,443
    • Issue date May 12, 2015
    • The Gillette Company
    • Andrew Zhuk
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Razor blades and razors
    • Patent number 7,882,640
    • Issue date Feb 8, 2011
    • The Gillette Company
    • Andrew Zhuk
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Multi-blade razors
    • Patent number 7,448,135
    • Issue date Nov 11, 2008
    • The Gillette Company
    • Andrew Zhuk
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of treating razor blade cutting edges
    • Patent number 7,247,249
    • Issue date Jul 24, 2007
    • The Gillette Company
    • Hoang Mai Trankiem
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Razor blade technology
    • Patent number 6,866,894
    • Issue date Mar 15, 2005
    • The Gillette Company
    • Hoang Mai Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Coating cutting edges with fluorocarbon polymers
    • Patent number 6,228,428
    • Issue date May 8, 2001
    • The Gillette Company
    • Hoang Mai Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of treating razor blade cutting edges
    • Patent number 5,985,459
    • Issue date Nov 16, 1999
    • The Gillette Company
    • Michael J. Kwiecien
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of treating razor blade cutting edges
    • Patent number 5,645,894
    • Issue date Jul 8, 1997
    • The Gillette Company
    • Hoang Mai Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of applying polymers to razor blade cutting edges
    • Patent number 5,477,756
    • Issue date Dec 26, 1995
    • The Gillette Company
    • Hoang M. Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of treating razor blade cutting edges
    • Patent number 5,263,256
    • Issue date Nov 23, 1993
    • The Gillette Company
    • Hoang M. Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Razor blades
    • Patent number 5,101,565
    • Issue date Apr 7, 1992
    • The Gillette Company
    • Hoang M. Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    RAZOR BLADES AND RAZORS
    • Publication number 20110120973
    • Publication date May 26, 2011
    • Andrew Zhuk
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Razors
    • Publication number 20070227008
    • Publication date Oct 4, 2007
    • Andrew Zhuk
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Multi-blade razors and blades for same
    • Publication number 20070227010
    • Publication date Oct 4, 2007
    • Andrew Zhuk
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Razor blades and razors
    • Publication number 20070227009
    • Publication date Oct 4, 2007
    • Andrew Zhuk
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Method of treating razor blade cutting edges
    • Publication number 20050155460
    • Publication date Jul 21, 2005
    • Hoang Mai Trankiem
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Razor blade technology
    • Publication number 20030096060
    • Publication date May 22, 2003
    • Hoang Mai Trankiem
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING