HJ

Hea-Gyoon Joung

VA Volvo Construction Equipment Ab: 12 patents #8 of 403Top 2%
Overall (All Time): #415,001 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
10428491 Flow rate control apparatus of construction equipment and control method therefor Jin-Young Tak 2019-10-01
10337170 Driving straight ahead device for construction machine and control method therefor Sung-Gon Kim 2019-07-02
10184499 Hydraulic circuit for construction machine Sung-Gon Kim 2019-01-22
10119249 Control device for confluence flow rate of working device for construction machinery and control method therefor Jae-Hoon Lee, Sang-Hee Lee 2018-11-06
10094092 Hydraulic circuit for construction machinery having floating function and method for controlling floating function Sung-Gon Kim 2018-10-09
10001146 Flow control device and flow control method for construction machine Sung-Gon Kim 2018-06-19
9790965 Hydraulic system for construction machine, provided with protection device Sung-Gon Kim 2017-10-17
9651063 Priority control system for construction machine Young-Bog Song 2017-05-16
9303636 System for controlling hydraulic pump in construction machine Sang-Hee Lee, Hung-Ju Shin 2016-04-05
9194382 Hydraulic pump control system for construction machinery Hung-Ju Shin, Sang-Hee Lee 2015-11-24
9103355 Flow control valve for construction machine Bon-Seuk Ku, Man-Seuk Jeon 2015-08-11
8818651 Flow control system for a hydraulic pump of construction machinery Sang-Hee Lee, Hung-Ju Shin 2014-08-26