Inventor
DING HONGGANG
CN9 patents
Patents
9 patentsUS9796233B2Oct 24, 2017
Independent suspension system and crane having same
XUZHOU HEAVY MACHINERY CO LTD4 citations71
US10583860B2Mar 10, 2020
Steering arm assembly, steering mechanism and multi-axle steering wheel type heavy duty vehicle
XUZHOU HEAVY MACHINERY CO LTD2 citations67
US9981688B2May 29, 2018
Steering system and independent suspension wheel-type heavy vehicle
XUZHOU HEAVY MACHINERY CO LTD2 citations66
US10112661B2Oct 30, 2018
Track hitching structure for wheeled crane and wheeled crane
XUZHOU HEAVY MACHINERY CO LTD2 citations65
US11597635B2Mar 7, 2023
Active steering system for hoisting machinery and hoisting machinery
XUZHOU HEAVY MACHINERY CO LTD0 citations57
US12589797B2Mar 31, 2026
Steering mechanism and independent suspension system
XUZHOU HEAVY MACHINERY CO LTD0 citations44
US10730724B2Aug 4, 2020
Wheeled crane and self-demounting and self-mounting methods for supporting legs thereof
XUZHOU HEAVY MACHINERY CO LTD0 citations35
US9283986B2Mar 15, 2016
Follow-up steering control system for multi-axle automobile crane, and multi-axle automobile crane
XUZHOU HEAVY MACHINERY CO LTD0 citations33
US9533704B2Jan 3, 2017
Electric-control multimode steering valve, steering hydraulic control system, and wheel type crane
XUZHOU HEAVY MACHINERY CO LTD0 citations30