Patent assignee · CA · COMPANY

Stackpole International Engineered Products, Ltd.

14Patents
14Active
14Granted
47Portfolio score

Filing activity: Jan 15, 2013 → May 19, 2020

Most-cited patents

PatentTitleAreaCited byStatus
US10815991B2 Dual input pump and system Mechanical Engineering; Lighting; Heating 5 Active
US9534519B2 Variable displacement vane pump with integrated fail safe function Mechanical Engineering; Lighting; Heating 5 Active
US9109597B2 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 Mechanical Engineering; Lighting; Heating 3 Active
US10030656B2 Variable displacement vane pump with integrated fail safe function Mechanical Engineering; Lighting; Heating 2 Active
US10253772B2 Pump with control system including a control system for directing delivery of pressurized lubricant Mechanical Engineering; Lighting; Heating 1 Active
US11035360B2 Gerotor with spindle Mechanical Engineering; Lighting; Heating 0 Active
US10247187B2 Variable displacement vane pump with thermo-compensation Mechanical Engineering; Lighting; Heating 0 Active
US9771935B2 Variable displacement vane pump with thermo-compensation Mechanical Engineering; Lighting; Heating 0 Active
US10808697B2 Pump assembly having integrated controller and motor with internal active cooling Mechanical Engineering; Lighting; Heating 0 Active
US11421685B2 Vane pump with improved seal assembly for control chamber Mechanical Engineering; Lighting; Heating 0 Active
US11796555B2 Pump assembly having a controller including a circuit board and 3D rotary sensor for detecting rotation of its pump Physics 0 Active
US11493036B2 Spool valve used in a variable vane pump Mechanical Engineering; Lighting; Heating 0 Active
US10871161B2 Epitrochoidal vacuum pump Mechanical Engineering; Lighting; Heating 0 Active
US11480173B2 Pressure relief valve integrated in pivot pin of pump Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.