Patent assignee · DE · COMPANY

HYDAC Electronic GmbH

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28Patents
19Active
28Granted
46Portfolio score

Filing activity: Nov 12, 1999 → Dec 21, 2018 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD483276S1 Display device General 17 Expired
US7161361B2 Device and method for measuring capacitance and device for determining the level of a liquid using one such device Physics 14 Expired
US6895997B2 System for determining positions of a control element of an electrically driven actuator Emerging Cross-Sectional Technologies 12 Expired
US6310530A Device for emergency hand operation with switching magnets Electricity 8 Expired
US7151427B2 Sealed-off switchgear Electricity 7 Expired
US6346870B1 Solenoid coil displacement sensor system Physics 7 Expired
US8757584B2 Actuating device Electricity 6 Active
US7104117B2 Device and method for determining the quality of a medium, particularly of a lubricant and/or coolant Physics 5 Expired
US8757585B2 Actuating device Electricity 3 Active
US6344783B1 Electromagnet, specially for actuating valves Electricity 3 Expired
US11060971B2 Method and device for monitoring the quality of gaseous media Physics 2 Active
US8381757B2 Valve device Emerging Cross-Sectional Technologies 2 Active
US9399941B2 System for exhaust gas treatment for internal combustion engines Emerging Cross-Sectional Technologies 2 Active
US9243964B2 Device for converting a force or a pressure into an electrical signal and method for producing such a device Emerging Cross-Sectional Technologies 1 Active
US10288091B2 Ultrasonic displacement measurement system and method for ultrasonic displacement measurement Mechanical Engineering; Lighting; Heating 1 Active
US7471177B2 Actuating device Electricity 1 Expired
US9328794B2 Hydraulically damped drive train mounts Mechanical Engineering; Lighting; Heating 1 Active
US8890075B2 Measuring cell for the infrared analysis of fluids, measuring system having such a measuring cell, and method for producing such a measuring cell Physics 1 Active
US10641674B2 Sensor device particularly for maritime applications Physics 0 Active
US8487728B2 Safety apparatus Human Necessities 0 Active
US10288512B2 Fluid processing apparatus Mechanical Engineering; Lighting; Heating 0 Active
US9941042B2 Electromagnetic actuating apparatus Electricity 0 Active
US8109544B2 Unlocking device Emerging Cross-Sectional Technologies 0 Active
US9194723B2 System for damping the reflection wave at the open end of a magnetostrictive sensor system Electricity 0 Active
US8052179B2 Unlocking device for a control device Emerging Cross-Sectional Technologies 0 Active

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