CURLETT FAMILY LIMITED PARTNERSHIP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 690

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7793741 Impact excavation system and method with injection systemAug 16, 05Sep 14, 10[E21B]
7757786 Impact excavation system and method with injection systemMay 16, 08Jul 20, 10[E21B]
7398838 Impact excavation system and method with two-stage inductorAug 16, 05Jul 15, 08[E21B]
7398839 Impact excavation system and method with particle trapAug 16, 05Jul 15, 08[E21B]
6581700 Formation cutting method and systemMar 12, 02Jun 24, 03[E21B]
6386300 Formation cutting method and systemSep 19, 00May 14, 02[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0200,080 Impact excavation system and method with particle separationAbandonedMay 09, 07Aug 13, 09[E21B]

Top Inventors for This Owner

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