HAWK INDUSTRIES, 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 690
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING440
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0275,599 APPARATUS FOR ROTATING A PIPEMar 31, 15Oct 01, 15[E21B]
2013/0283,946 GEAR NUT ADJUSTMENT ASSEMBLYMar 22, 13Oct 31, 13[F16H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9097072 Self-adjusting pipe spinnerJun 08, 09Aug 04, 15[E21B]
7942081 Automatically adjustable power jawAug 28, 08May 17, 11[B25B]
6935210 Variable rack adjustment assembly for pipe spinning machinesDec 05, 03Aug 30, 05[B25B]
6829968 Pipe make/break apparatus with gripping jaws and adjustable pipe spinner with oiling systemNov 10, 03Dec 14, 04[E21B]
6722231 Pipe make/break apparatus with gripping jaws and adjustable pipe spinner with oiling systemMar 19, 02Apr 20, 04[E21B]
5868045 Apparatus for making and breaking joints in drill pipe stringsAug 14, 95Feb 09, 99[B25B]
5386746 Apparatus for making and breaking joints in drill pipe stringsMay 26, 93Feb 07, 95[B25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5060542 Apparatus and method for making and breaking joints in drill pipe stringsExpiredOct 12, 90Oct 29, 91[E21B]
4843924 Compact high-torque apparatus and method for rotating pipeExpiredSep 10, 87Jul 04, 89[B25B]
4575962 Unitary bolt face and firing pin deviceExpiredMar 16, 84Mar 18, 86[F41C, F41D]
4462179 Chamber alignment and safety system for a firearmsExpiredAug 06, 81Jul 31, 84[F41C]
D271294 AirplaneExpiredApr 01, 81Nov 08, 83[D120]
4392527 Water well developing systemExpiredMar 03, 81Jul 12, 83[E21B]
4340120 Annular casing hammerExpiredJun 23, 80Jul 20, 82[B23B, B25D]

Top Inventors for This Owner

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