Unico, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 2042
 
  
 
E21B EARTH OR ROCK DRILLING 888
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 7440
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 579
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 498
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 225
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 243
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0204,571 Ventilation Control System and MethodJan 22, 14Jul 23, 15[F24F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9689251 Subterranean pump with pump cleaning modeMay 05, 15Jun 27, 17[F04B, E21B]
9528355 Enhanced oil production using control of well casing gas pressureJun 21, 13Dec 27, 16[E21B]
9494504 Dual component density sampler apparatusDec 01, 15Nov 15, 16[G01N, B01D, G01F]
9353617 Apparatus and method of referencing a sucker rod pumpAug 07, 13May 31, 16[G05B, F04B, G05D, G01P, E21B]
9124169 Autotransformer system reducing total harmonic distortionApr 23, 13Sep 01, 15[H02M, H02P, H01F]
8892372 Estimating fluid levels in a progressing cavity pump systemJul 14, 11Nov 18, 14[F04B, E21B, G01F]
8878395 M2LC system coupled to a current source power supplyAug 03, 11Nov 04, 14[H02M, H01F]
8779709 Apparatus for continued operation of an electric motor during an interruption in input powerAug 02, 12Jul 15, 14[H02P]
8727749 Cranked rod pump methodJun 29, 12May 20, 14[F04B]
8708671 Cranked rod pump apparatus and methodJun 08, 11Apr 29, 14[F04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0103,450 Thermal Protection For Electrical DeviceAbandonedOct 01, 14Apr 16, 15[H02K]
2014/0271,260 WINCHED ROD PUMP APPARATUS AND METHODAbandonedFeb 27, 14Sep 18, 14[F04B]
2014/0219,827 Cranked Rod Pump MethodAbandonedApr 11, 14Aug 07, 14[F04B, E21B]
2013/0302,183 CRANKED ROD PUMP APPARATUS AND METHODAbandonedJul 17, 13Nov 14, 13[F04B]
2004/0062,658 Control system for progressing cavity pumpsAbandonedSep 05, 03Apr 01, 04[F04B]
5050135 Magnetostrictive multiple position sensing deviceExpiredDec 20, 89Sep 17, 91[G01B]
4954033 Transfer mechanism for conveyorExpiredJun 11, 84Sep 04, 90[B65G, B65H]
4891590 Linear resolver utilizing plural nulled coil setsExpiredJun 08, 88Jan 02, 90[G08C, G01B, H01F]
4843297 Microprocessor speed controllerExpiredSep 02, 86Jun 27, 89[H02P]
4815916 Apparatus for raising a magnetizable object from a stack and for moving it away for further processingExpiredSep 16, 88Mar 28, 89[B65H]
4795956 Web motion converterExpiredSep 10, 87Jan 03, 89[G05B]
4704568 Linear induction motor transport systemExpiredApr 14, 86Nov 03, 87[G05B]
4491777 Position control of fabricating materialsExpiredFeb 12, 82Jan 01, 85[G05B]
4465961 Motor control systemExpiredJun 15, 81Aug 14, 84[H02P]
4287462 Veneer lathe control systemExpiredMay 13, 80Sep 01, 81[G05B, B27L]

Top Inventors for This Owner

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