TREA

Stefan Butuc

Follow

Person

  • The Woodlands, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Reinforced stators and fabrication methods
    • Patent number 9,309,767
    • Issue date Apr 12, 2016
    • National-Oilwell Varco, L.P.
    • Harold A. Sreshta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Enhanced elastomeric stator insert via reinforcing agent distributi...
    • Patent number 8,944,789
    • Issue date Feb 3, 2015
    • National-Oilwell Varco, L.P.
    • Stefan Butuc
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Releasable corrosion inhibitors
    • Patent number 8,865,309
    • Issue date Oct 21, 2014
    • National-Oilwell Varco, L.P.
    • Deepthi R. Setlur
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Releasable corrosion inhibitors
    • Patent number 8,383,559
    • Issue date Feb 26, 2013
    • National-Oilwell Varco, L.P.
    • Deepthi R. Setlur
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Annular BOP packing unit
    • Patent number 8,176,933
    • Issue date May 15, 2012
    • Hydril USA Manufacturing LLC
    • Philip A. Huff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Revised cure cycle for annular packing units
    • Patent number 7,736,556
    • Issue date Jun 15, 2010
    • Hydril USA Manufacturing LLC
    • Stefan Butuc
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents