Camco International Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 8235
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 998
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 854
 
  
 
B01D SEPARATION 6128
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 68
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS569
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL466
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 4129
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6545221 Splice system for use in splicing coiled tubing having internal power cableNov 23, 99Apr 08, 03[H01R]
6537628 Reinforced elastomeric bag for use with electric submergible motor protectorsNov 22, 96Mar 25, 03[B32B]
6491102 Downhole multiplexer and related methodsMar 12, 01Dec 10, 02[E21B]
6424105 Real-time control of feedback signals to a motor for optimum performanceJun 08, 99Jul 23, 02[H02K]
6409485 System and method for sealing an electrical connection between a power cable and a submersible deviceJun 06, 00Jun 25, 02[H02K, F04B, H01R]
6397945 Power cable system for use in high temperature wellbore applicationsApr 14, 00Jun 04, 02[E21B]
6388353 Elongated permanent magnet synchronous motorMar 30, 00May 14, 02[H02K, F04B]
6361280 System and method for locking parts to a rotatable shaftJan 03, 00Mar 26, 02[F04D]
6311776 Dual diverter and orientation device for multilateral completions and methodApr 19, 00Nov 06, 01[E21B]
6305402 Variable orifice gas lift valve for high flow rates with detachable power source and method of usingApr 07, 00Oct 23, 01[F04F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7581734 Peek coated seal surfacesExpiredMay 01, 00Sep 01, 09[F16J]
6704689 Complexity index methodology for the analysis of run life performanceExpiredJan 20, 00Mar 09, 04[G06Q]
6424066 System for reducing wear and improving longevity of a electric submergible pumping systemExpiredNov 12, 99Jul 23, 02[H02K]
6364013 Shroud for use with electric submergible pumping systemExpiredDec 21, 99Apr 02, 02[E21B]
6357530 System and method of utilizing an electric submergible pumping system in the production of high gas to liquid ratio fluidsExpiredSep 27, 99Mar 19, 02[F04F, E21B]
6332499 Deployment tubing connector having internal electrical penetratorExpiredNov 23, 99Dec 25, 01[H01R, E21B]
6325143 Dual electric submergible pumping system installation to simultaneously move fluid with respect to two or more subterranean zonesExpiredJun 22, 99Dec 04, 01[E21B]
6318467 System and method for pumping and heating viscous fluids in a wellboreExpiredDec 01, 99Nov 20, 01[E21B]
6307290 Piston motor protector, and motor and pumping system incorporating the sameExpiredMar 15, 99Oct 23, 01[H02K, F04D]
6302405 Anti-extrusion sealExpiredJun 24, 99Oct 16, 01[F16J]
6298917 Coiled tubing system for combination with a submergible pumpExpiredAug 03, 98Oct 09, 01[E21B]
6298921 Modular system for deploying subterranean well-related equipmentExpiredNov 23, 99Oct 09, 01[E21B]
6299672 Subsurface integrated production systemsExpiredOct 15, 99Oct 09, 01[B01D]
6296061 Pilot-operated pressure-equalizing mechanism for subsurface valveExpiredDec 09, 99Oct 02, 01[E21B]
6283217 Axial equalizing valveExpiredJul 29, 99Sep 04, 01[E21B]
6257792 Retaining ringExpiredMar 25, 99Jul 10, 01[E21B]
6202747 Hydraulic well packer and methodExpiredAug 31, 99Mar 20, 01[E21B]
6167960 Protection of downwell pumps from sand entrained in pumped fluidsExpiredAug 17, 98Jan 02, 01[E21B]
6155345 Downhole gas separator having multiple separation chambersExpiredJan 14, 99Dec 05, 00[E21B]
6106224 Downthrust pads for submersible centrifugal pumpsExpiredApr 02, 98Aug 22, 00[F04D]

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