WELLS, INC.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 184

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0151,023 ADAPTER ASSEMBLY FOR A WELL SYSTEMMar 06, 13Jun 05, 14[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
5,518,371 Automatic fluid pressure maintaining system from a wellJun 20, 94May 21, 96[F04B]

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