HC

Hae Kyun Cheong

VA Volvo Construction Equipment Holding Sweden Ab: 7 patents #5 of 107Top 5%
Overall (All Time): #741,077 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8713930 Negative control type hydraulic system 2014-05-06
8024926 Hydraulic circuit for heavy equipment 2011-09-27
8011387 Pressure control device for heavy equipment 2011-09-06
7159610 Relief valve 2007-01-09
7141165 Coin-filter mounting structure 2006-11-28
7017470 Flow control apparatus for construction heavy equipment 2006-03-28
6986362 Pilot operated relief valve 2006-01-17