Stackpole International Engineered Products, Ltd.

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Patent	Title	Status	Expires	Confidence
US 9,109,597	Variable displacement pump with multiple pressure chambers where a circumferential extent of a first portion of a first chamber is greater than a second portion Formerly held In force Term ends Feb 4, 2033 · From the USPTO record	In force	Term ends Feb 4, 2033	From the USPTO record
US 9,534,519	Variable displacement vane pump with integrated fail safe function Formerly held In force Term ends Aug 13, 2035 · From the USPTO record	In force	Term ends Aug 13, 2035	From the USPTO record
US 10,030,656	Variable displacement vane pump with integrated fail safe function Formerly held In force Term ends Sep 17, 2035 · From the USPTO record	In force	Term ends Sep 17, 2035	From the USPTO record
US 10,253,772	Pump with control system including a control system for directing delivery of pressurized lubricant Formerly held In force Term ends Jan 26, 2037 · From the USPTO record	In force	Term ends Jan 26, 2037	From the USPTO record
US 10,808,697	Pump assembly having integrated controller and motor with internal active cooling Formerly held In force Term ends Feb 20, 2038 · From the USPTO record	In force	Term ends Feb 20, 2038	From the USPTO record
US 10,815,991	Dual input pump and system Formerly held In force Term ends Mar 3, 2038 · From the USPTO record	In force	Term ends Mar 3, 2038	From the USPTO record
US 11,035,360	Gerotor with spindle Formerly held In force Term ends Jul 24, 2039 · From the USPTO record	In force	Term ends Jul 24, 2039	From the USPTO record
US 11,421,685	Vane pump with improved seal assembly for control chamber Formerly held In force Term ends Oct 29, 2040 · From the USPTO record	In force	Term ends Oct 29, 2040	From the USPTO record
US 11,796,555	Pump assembly having a controller including a circuit board and 3D rotary sensor for detecting rotation of its pump Formerly held In force Term ends Nov 19, 2040 · From the USPTO record	In force	Term ends Nov 19, 2040	From the USPTO record
US 11,493,036	Spool valve used in a variable vane pump Formerly held In force Term ends Dec 4, 2040 · From the USPTO record	In force	Term ends Dec 4, 2040	From the USPTO record

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