ASHMIN HOLDING LLC

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 1482
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0376,852 Stabilizer Assembly and MethodJun 26, 15Dec 29, 16[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9488010 Hammer drillMar 22, 13Nov 08, 16[E21B]
9267539 Mud motor bearing assembly and methodMay 11, 12Feb 23, 16[F16C, E21B]
7882638 Process for manufacturing a bearingJun 21, 05Feb 08, 11[B23P, B21D]
7882904 Adjustable bent housing apparatus and methodDec 20, 07Feb 08, 11[E21B]
7434623 Percussion tool and methodMay 25, 05Oct 14, 08[E21B]
7011156 Percussion tool and methodFeb 19, 03Mar 14, 06[E21B]
5911284 Downhole mud motorJun 30, 97Jun 15, 99[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0194,915 Mud Motor Bearing Assembly and MethodAbandonedJan 08, 16Jul 07, 16[F16C, E21B]

Top Inventors for This Owner

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