ROBBINS & MYERS ENERGY SYSTEMS L.P.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 3264
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 593
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 524
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS545
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 321
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 278
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8905733 Progressing cavity pump/motorApr 07, 11Dec 09, 14[F04C, F03C, F01C]
8820565 Clamp-style closureMar 14, 11Sep 02, 14[B65D]
8672656 Progressing cavity pump/motorDec 20, 10Mar 18, 14[F04C, F01C]
8529214 Variable speed progressing cavity pump systemMar 11, 10Sep 10, 13[F04B]
8430260 Closure for a vesselDec 10, 08Apr 30, 13[B65D]
8322556 Closure for a vesselSep 15, 11Dec 04, 12[B65D]
8272434 Tubing string hanger and tensioner assemblyMar 22, 10Sep 25, 12[E21B]
8147228 Progressing cavity pump/motorJun 22, 09Apr 03, 12[F04C, F03C, F01C]
D654572 ClosureOct 30, 09Feb 21, 12[2301]
8113289 Flow regulator for downhole progressing cavity motorJan 19, 10Feb 14, 12[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0058,930 MOTOR/PUMP WITH SPIRAL WOUND STATOR TUBEAbandonedAug 26, 10Mar 10, 11[F04D, F01C]
2009/0183,885 Rod guide with improved statorAbandonedJan 23, 08Jul 23, 09[E21B]
2009/0065,190 OIL WELL POLISH ROD CLAMP FOR USE WITH A ROTATOR ON A BEAM PUMPING UNITAbandonedSep 09, 08Mar 12, 09[E21B]
7472721 Method of applying a high pressure closureExpiredJun 06, 07Jan 06, 09[F16L]
2008/0106,260 Magnetic flux leakage system and methodAbandonedNov 02, 06May 08, 08[G01N]
2007/0262,772 Method and apparatus for correcting magnetic flux sensor signalsAbandonedMay 09, 06Nov 15, 07[G01N]
2007/0102,151 Helical rod guide and methodAbandonedNov 09, 05May 10, 07[E21B]
2006/0225,890 Tubing rotatorAbandonedApr 08, 05Oct 12, 06[E21B]
2005/0118,040 Progressive cavity pump/motorAbandonedDec 30, 04Jun 02, 05[F04B]
6881045 Progressive cavity pump/motorExpiredJun 19, 03Apr 19, 05[F04C, F03C]
6786670 Threaded closureExpiredJun 11, 02Sep 07, 04[B65D]
6742957 Method and device for threaded closure of pipelines or vesselsExpiredOct 30, 01Jun 01, 04[F16L]
6685380 Threaded closure with chain binderExpiredOct 30, 01Feb 03, 04[B67B, B65D]
6663149 Threaded closureExpiredFeb 06, 01Dec 16, 03[E05B]
6664401 Process for preparing isocoumarinsExpiredJul 02, 02Dec 16, 03[C07D]
6095241 Coupling device for a drive assemblyExpiredJun 10, 98Aug 01, 00[E21B]
D362196 Rod guide gaugeExpiredOct 11, 94Sep 12, 95[]
5115863 Low turbulence rod guideExpiredApr 05, 91May 26, 92[E21B]
5028079 Non-crushing wellheadExpiredOct 17, 89Jul 02, 91[E21B]
4886303 Coupling with improved elastomeric face sealExpiredJul 11, 88Dec 12, 89[F16L]

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