T & T ENGINEERING SERVICES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1482
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 238
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING242
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 229
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 122
 
  
 
E02F DREDGING; SOIL-SHIFTING 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8550174 Stabbing apparatus for centering tubulars and casings for connection at a wellheadDec 09, 09Oct 08, 13[E21B]
8496238 Tubular gripping apparatus with locking mechanismFeb 14, 09Jul 30, 13[B23Q, B25B, B23P]
8474806 Pipe gripping apparatusJan 26, 09Jul 02, 13[B23Q, B25B, B23P]
8469648 Apparatus and method for pre-loading of a main rotating structural memberOct 27, 08Jun 25, 13[H01L, E21B]
8419335 Pipe handling apparatus with stab frame stiffeningFeb 14, 09Apr 16, 13[E21B, B66C]
8371790 Derrickless tubular servicing system and methodMar 12, 09Feb 12, 13[E21B]
8235104 Apparatus for pipe tong and spinner deploymentDec 09, 09Aug 07, 12[E21B]
8192128 Alignment apparatus and method for a boom of a pipe handling systemMay 20, 09Jun 05, 12[E21B, B66C, E02F]
8172497 Raise-assist and smart energy system for a pipe handling apparatusApr 03, 09May 08, 12[B23P, E21B]
8128332 Header structure for a pipe handling apparatusOct 27, 08Mar 06, 12[E21B]

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Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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