FRANK J. SCHUH, INC.

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 294

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5607018 Viscid oil well completionSep 29, 94Mar 04, 97[E21B]
5289881 Horizontal well completionApr 01, 91Mar 01, 94[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7404439 Horizontal drillingExpiredJul 11, 06Jul 29, 08[E21B]

Top Inventors for This Owner

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