Assignee
COAVIS
KR51 patents
Top patents by PatentIndex Score
US10436161B2Oct 8, 2019
Strainer and fuel pump module having the same
COAVIS16 citations93
US10145341B2Dec 4, 2018
Strainer and fuel pump module having the same
COAVIS23 citations93
US11353042B1Jun 7, 2022
Electric water pump
COAVIS2 citations71
US12012968B2Jun 18, 2024
Water pump
COAVIS2 citations70
US11885346B2Jan 30, 2024
Water pump
COAVIS2 citations70
US11905957B1Feb 20, 2024
Screw water pump with inner housing and outer housing
COAVIS2 citations69
US11848588B2Dec 19, 2023
Motor integrated with control unit and water pump having the same
COAVIS3 citations69
US11291936B2Apr 5, 2022
Strainer for fuel pump
COAVIS4 citations69
US9546666B2Jan 17, 2017
Impeller for fuel pump of vehicle
COAVIS2 citations69
US11781566B1Oct 10, 2023
Water pump and manufacturing method thereof
COAVIS5 citations68
US10995759B2May 4, 2021
Water pump
COAVIS4 citations68
US10197432B2Feb 5, 2019
Liquid level sensor that adapts to pressure changes
COAVIS4 citations66
US8015871B2Sep 13, 2011
Sender unit for sensing the level of remaining fuel in a fuel tank utilizing a non-contacting sensor
COAVIS5 citations60
US10598538B2Mar 24, 2020
System and method for measuring liquid level of vehicle fuel tank
COAVIS1 citations59
US10447121B2Oct 15, 2019
Fuel pump for vehicle having brush holder for preventing shake of brush
COAVIS1 citations58
US12140069B2Nov 12, 2024
Integrated cooling module
COAVIS1 citations56
US10794751B2Oct 6, 2020
Fuel level sensing apparatus for fuel tank
COAVIS1 citations54
US12504012B2Dec 23, 2025
Electronic oil pump
COAVIS0 citations50
US12497977B2Dec 16, 2025
Electric water pump
COAVIS0 citations50
US12497968B2Dec 16, 2025
Electric water pump
COAVIS0 citations50
US12467477B2Nov 11, 2025
Valve-integrated electric water pump
COAVIS0 citations50
US12345260B2Jul 1, 2025
Fluid circulating apparatus
COAVIS0 citations50
US10605644B2Mar 31, 2020
Complementary apparatus for measuring urea water level
COAVIS0 citations50
US9021871B2May 5, 2015
Fuel amount detection device for vehicle
COAVIS0 citations50
US11035373B2Jun 15, 2021
Water pump including supporting structure for impeller
COAVIS0 citations49
US10533888B2Jan 14, 2020
Fuel pump module for measuring height of fuel using ultrasonic wave
COAVIS0 citations49
US12078170B2Sep 3, 2024
Screw pump and integrated cooling module including the same
COAVIS0 citations48
US11658537B2May 23, 2023
Motor and electric pump having the same
COAVIS0 citations48
US11326544B2May 10, 2022
Sensorless control device for DC fuel pump
COAVIS0 citations48
US9576715B2Feb 21, 2017
Device for magnetizing ring-shaped magnet for BLDC motor
COAVIS0 citations48
US11873819B2Jan 16, 2024
Impeller for electric water pump
COAVIS0 citations46
US11181414B2Nov 23, 2021
Apparatus for measuring residual amount of fuel in fuel tank using ultrasonic sensor
COAVIS0 citations46
US11781691B2Oct 10, 2023
Quick connector
COAVIS0 citations45
US11585302B2Feb 21, 2023
Fuel pump module
COAVIS0 citations44
US11251679B2Feb 15, 2022
Brushless direct currency (BLDC) motor and manufacturing method thereof
COAVIS0 citations43
US11199191B2Dec 14, 2021
Electric water pump and manufacturing method for thereof
COAVIS0 citations43
US10598065B2Mar 24, 2020
Urea solution pump module
COAVIS0 citations42
US10857706B2Dec 8, 2020
Assembly type terminal for fuel pump and method for manufacturing fuel pump flange using the same
COAVIS0 citations41
US10498187B2Dec 3, 2019
Brushless direct current (BLDC) motor of fuel pump for motor vehicle
COAVIS0 citations40
US10634532B2Apr 28, 2020
System and method for optimizing driving of ultrasonic sensor
COAVIS0 citations39
US10605645B2Mar 31, 2020
Fuel tank for vehicle
COAVIS0 citations39
US10483883B2Nov 19, 2019
Driving control method for BLDC motor
COAVIS0 citations39
US9109554B2Aug 18, 2015
Fuel pump module for vehicle having excellent filtering efficiency
COAVIS1 citations39
US11846259B2Dec 19, 2023
Pressure regulator and fuel pump module having the same
COAVIS0 citations38
US11719204B2Aug 8, 2023
Controller integrated type fuel pump module for preventing thermal deformation of flange
COAVIS0 citations38
US10119509B2Nov 6, 2018
Multiple stage fuel pump
COAVIS0 citations38
US9441585B2Sep 13, 2016
Apparatus for fixing reservoir body assembly of fuel pump module into fuel tank
COAVIS0 citations38
US12410810B2Sep 9, 2025
Water pump
COAVIS0 citations37
US10020696B2Jul 10, 2018
Direct current (DC) motor for fuel pump for vehicle
COAVIS0 citations37
US10773728B2Sep 15, 2020
Signal processing system and signal processing method for sensors of vehicle
COAVIS0 citations36
Showing the top 50 of 51 patents by PatentIndex Score.