(84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE
SI SK TR |
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Designated Extension States: |
|
AL BA HR MK YU |
(30) |
Priority: |
19.10.2004 US 620049 P
|
(71) |
Applicant: National-Oilwell, L.P. |
|
Houston, TX 77042 (US) |
|
(72) |
Inventors: |
|
- FEHRES, Neil, E.
Sugar Land, TX 77479-6984 (US)
- YOST, Thomas, A.
Houston, TX 77070-3204 (US)
|
(74) |
Representative: Copsey, Timothy Graham et al |
|
Kilburn & Strode,
20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB) |
|