NATIONAL OILWELL DHT, L.P

Organization

  • HOUSTON, TX, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    85866243 - QUADRIL

    • Serial number 85866243
    • Filing date Mar 4, 2013
    • National Oilwell DHT, L.P.
    • 7 - Machines and machine tools
  • Information Trademark

    85291946 - BLACKBOX

    • Serial number 85291946
    • Registration number 4356140
    • Filing date Apr 11, 2011
    • National Oilwell DHT, L.P.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    78616928 - HYDROSHIFT

    • Serial number 78616928
    • Registration number 3529073
    • Filing date Apr 26, 2005
    • National Oilwell DHT, L.P.
    • 7 - Machines and machine tools