List of Unico (company) patents

Patents where

Current Assignee

Name

Unico (company)

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7668694 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore	Patent 7668694 was granted and assigned to Unico (company) on February, 2010 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7668694	February 23, 2010
‌ US Patent 8152492 Linear rod pump apparatus and method	Patent 8152492 was granted and assigned to Unico (company) on April, 2012 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8152492	April 10, 2012
‌ US Patent 8249826 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore	Patent 8249826 was granted and assigned to Unico (company) on August, 2012 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8249826	August 21, 2012
‌ US Patent 7748308 Pneumatic biasing of a linear actuator and implementations thereof	Patent 7748308 was granted and assigned to Unico (company) on July, 2010 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7748308	July 6, 2010
‌ US Patent 8417483 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore	Patent 8417483 was granted and assigned to Unico (company) on April, 2013 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8417483	April 9, 2013
‌ US Patent 7869978 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore	Patent 7869978 was granted and assigned to Unico (company) on January, 2011 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7869978	January 11, 2011
‌ US Patent 7168924 Rod pump control system including parameter estimator	Patent 7168924 was granted and assigned to Unico (company) on January, 2007 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7168924	January 30, 2007
‌ US Patent 8180593 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore	Patent 8180593 was granted and assigned to Unico (company) on May, 2012 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8180593	May 15, 2012
‌ US Patent 7545113 Harmonic disturbance regulator	Patent 7545113 was granted and assigned to Unico (company) on June, 2009 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7545113	June 9, 2009
‌ US Patent 7117120 Control system for centrifugal pumps	Patent 7117120 was granted and assigned to Unico (company) on October, 2006 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7117120	October 3, 2006
‌ US Patent 7558699 Control system for centrifugal pumps	Patent 7558699 was granted and assigned to Unico (company) on July, 2009 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7558699	July 7, 2009
‌ US Patent 7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions	Patent 7534096 was granted and assigned to Unico (company) on May, 2009 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7534096	May 19, 2009
‌ US Patent 7330779 Method and system for improving pump efficiency and productivity under power disturbance conditions	Patent 7330779 was granted and assigned to Unico (company) on February, 2008 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7330779	February 12, 2008
‌ US Patent 7437215 Method and system for improving pump efficiency and productivity under power disturbance conditions	Patent 7437215 was granted and assigned to Unico (company) on October, 2008 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7437215	October 14, 2008
‌ US Patent 8080950 Induction motor torque control in a pumping system	Patent 8080950 was granted and assigned to Unico (company) on December, 2011 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8080950	December 20, 2011
‌ US Patent 9528355 Enhanced oil production using control of well casing gas pressure	Patent 9528355 was granted and assigned to Unico (company) on December, 2016 by the United States Patent and Trademark Office.	Unico (company)	Unico (company)	United States Patent and Trademark Office	9528355	December 27, 2016
‌ US Patent 9494504 Dual component density sampler apparatus	Patent 9494504 was granted and assigned to Unico (company) on November, 2016 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	9494504	November 15, 2016
‌ US Patent 11221002 Tandem motor linear rod pump	Patent 11221002 was granted and assigned to Unico (company) on January, 2022 by the United States Patent and Trademark Office.	Unico (company)	Unico (company)	United States Patent and Trademark Office	11221002	January 11, 2022
‌ US Patent 10968904 Tandem motor linear rod pump	Patent 10968904 was granted and assigned to Unico (company) on April, 2021 by the United States Patent and Trademark Office.	Unico (company)	Unico (company)	United States Patent and Trademark Office	10968904	April 6, 2021
‌ US Patent 8727749 Cranked rod pump method	Patent 8727749 was granted and assigned to Unico (company) on May, 2014 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8727749	May 20, 2014
‌ US Patent 7921689 Pneumatic biasing of a linear actuator and implementations thereof	Patent 7921689 was granted and assigned to Unico (company) on April, 2011 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	7921689	April 12, 2011
‌ US Patent 8444393 Rod pump control system including parameter estimator	Patent 8444393 was granted and assigned to Unico (company) on May, 2013 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8444393	May 21, 2013
‌ US Patent 8668475 Linear rod pump apparatus and method	Patent 8668475 was granted and assigned to Unico (company) on March, 2014 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	8668475	March 11, 2014
‌ US Patent 9689251 Subterranean pump with pump cleaning mode	Patent 9689251 was granted and assigned to Unico (company) on June, 2017 by the United States Patent and Trademark Office.		Unico (company)	United States Patent and Trademark Office	9689251	June 27, 2017
‌ US Patent 9353617 Apparatus and method of referencing a sucker rod pump	Patent 9353617 was granted and assigned to Unico (company) on May, 2016 by the United States Patent and Trademark Office.	Unico (company)	Unico (company)	United States Patent and Trademark Office	9353617	May 31, 2016

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