Assignee
UNICO
US·33 granted patents·5 pending applications·1,126 citations·filing 1980–2014
Top patents by PatentIndex Score
38 records- 0198US7558699B2Control system for centrifugal pumpsUNICO·Filed 2006·Granted Jul 7, 2009·53 cites·16 claims
- 0298US7117120B2Control system for centrifugal pumpsUNICO·Filed 2003·Granted Oct 3, 2006·139 cites·92 claims
- 0397US7668694B2Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellboreUNICO·Filed 2007·Granted Feb 23, 2010·63 cites·23 claims
- 0496US7168924B2Rod pump control system including parameter estimatorUNICO·Filed 2003·Granted Jan 30, 2007·116 cites·30 claims
- 0594US7748308B2Pneumatic biasing of a linear actuator and implementations thereofUNICO·Filed 2006·Granted Jul 6, 2010·22 cites·18 claims
- 0694US7437215B2Method and system for improving pump efficiency and productivity under power disturbance conditionsUNICO·Filed 2005·Granted Oct 14, 2008·63 cites·33 claims
- 0793US9124169B2Autotransformer system reducing total harmonic distortionUNICO·Filed 2013·Granted Sep 1, 2015·21 cites·18 claims
- 0893US7869978B2Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellboreUNICO·Filed 2010·Granted Jan 11, 2011·44 cites·8 claims
- 0991US7330779B2Method and system for improving pump efficiency and productivity under power disturbance conditionsUNICO·Filed 2005·Granted Feb 12, 2008·48 cites·13 claims
- 1090US7645124B2Estimation and control of a resonant plant prone to stick-slip behaviorUNICO·Filed 2006·Granted Jan 12, 2010·14 cites·7 claims
- 1190US7321211B2Power variation control system for cyclic loadsUNICO·Filed 2006·Granted Jan 22, 2008·16 cites·34 claims
- 1290US5277036AModular air conditioning system with adjustable capacityUNICO·Filed 1993·Granted Jan 11, 1994·164 cites·18 claims
- 1387US8029345B2Fire stop outlet for small duct, high velocity air distribution systemsUNICO·Filed 2006·Granted Oct 4, 2011·37 cites·6 claims
- 1486US7534096B2Method and system for improving pump efficiency and productivity under power disturbance conditionsUNICO·Filed 2005·Granted May 19, 2009·28 cites·19 claims
- 1586US4922299AElectrostatic charge emitting apparatusUNICO·Filed 1989·Granted May 1, 1990·30 cites·17 claims
- 1685US7921689B2Pneumatic biasing of a linear actuator and implementations thereofUNICO·Filed 2010·Granted Apr 12, 2011·6 cites·19 claims
- 1784US8384318B2Induction motor torque control in a pumping systemUNICO·Filed 2011·Granted Feb 26, 2013·5 cites·15 claims
- 1881US4704568ALinear induction motor transport systemUNICO·Filed 1986·Granted Nov 3, 1987·46 cites·5 claims
- 1980US4891590ALinear resolver utilizing plural nulled coil setsUNICO·Filed 1988·Granted Jan 2, 1990·41 cites·4 claims
- 2078US6776710B1Vent structure for slotted outlet with uniform velocity profileUNICO·Filed 2003·Granted Aug 17, 2004·32 cites·26 claims
- 2178US4815916AApparatus for raising a magnetizable object from a stack and for moving it away for further processingUNICO·Filed 1988·Granted Mar 28, 1989·24 cites·7 claims
- 2274US9353617B2Apparatus and method of referencing a sucker rod pumpUNICO·Filed 2013·Granted May 31, 2016·2 cites·10 claims
- 2372US5050135AMagnetostrictive multiple position sensing deviceUNICO·Filed 1989·Granted Sep 17, 1991·22 cites·12 claims
- 2467US9528355B2Enhanced oil production using control of well casing gas pressureUNICO·Filed 2013·Granted Dec 27, 2016·3 cites·6 claims
- 2564US7786691B2Bus disturbance regulatorUNICO·Filed 2007·Granted Aug 31, 2010·6 cites·14 claims
- 2660US4287462AVeneer lathe control systemUNICO·Filed 1980·Granted Sep 1, 1981·18 cites·3 claims
- 2760US2014219827A1Cranked Rod Pump MethodUNICO·Filed 2014·Application pending·0 cites
- 2857US4954033ATransfer mechanism for conveyorUNICO·Filed 1984·Granted Sep 4, 1990·15 cites·10 claims
- 2956US4795956AWeb motion converterUNICO·Filed 1987·Granted Jan 3, 1989·10 cites·6 claims
- 3050US2014271260A1Winched rod pump apparatus and methodUNICO·Filed 2014·Application pending·0 cites
- 3148US2015204571A1Ventilation Control System and MethodUNICO·Filed 2014·Application pending·0 cites
- 3246US4491777APosition control of fabricating materialsUNICO·Filed 1982·Granted Jan 1, 1985·12 cites·14 claims
- 3342US7545113B2Harmonic disturbance regulatorUNICO·Filed 2006·Granted Jun 9, 2009·2 cites·18 claims
- 3442US2013302183A1Cranked rod pump apparatus and methodUNICO·Filed 2013·Application pending·0 cites
- 3538US6866203B2Method and apparatus for sizing an environmental control systemUNICO·Filed 2003·Granted Mar 15, 2005·3 cites·7 claims
- 3637US2015103450A1Thermal Protection For Electrical DeviceUNICO·Filed 2014·Application pending·0 cites
- 3736US6168518B1Vent structure with slotted rectangular outletUNICO·Filed 1999·Granted Jan 2, 2001·11 cites·18 claims
- 3836US5319295ADigital current regulatorUNICO·Filed 1991·Granted Jun 7, 1994·10 cites·15 claims
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