NABORS DRILLING LIMITED

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5251709 Drilling rigMar 31, 92Oct 12, 93[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4478291 Drilling rigExpiredMar 01, 82Oct 23, 84[E21C]

Top Inventors for This Owner

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