Inventor
ZHANG JIAO
US46 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG JIAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
20 patentsUS7908852B2Mar 22, 2011
Control system for recovering swing motor kinetic energy
CATERPILLAR INC57 citations95
US9945396B2Apr 17, 2018
Fluid systems for machines with integrated energy recovery circuit
CATERPILLAR INC10 citations83
US9932993B2Apr 3, 2018
System and method for hydraulic energy recovery
CATERPILLAR INC8 citations83
US9290912B2Mar 22, 2016
Energy recovery system having integrated boom/swing circuits
CATERPILLAR INC15 citations83
US9091286B2Jul 28, 2015
Hydraulic control system having electronic flow limiting
CATERPILLAR INC7 citations83
US9086061B2Jul 21, 2015
Energy recovery hydraulic system
CATERPILLAR INC14 citations82
US7997117B2Aug 16, 2011
Electrically controlled hydraulic valve calibration method and system
CATERPILLAR INC16 citations82
US6609369B2Aug 26, 2003
System and method of pressure compensation for electro hydraulic control systems
CATERPILLAR INC19 citations82
US10174770B2Jan 8, 2019
System and method of hydraulic energy recovery for machine start-stop and machine ride control
CATERPILLAR INC10 citations79
US9556591B2Jan 31, 2017
Hydraulic system recovering swing kinetic and boom potential energy
CATERPILLAR INC5 citations73
US9458604B2Oct 4, 2016
Hybrid apparatus and method for hydraulic systems
CATERPILLAR INC5 citations73
US9290911B2Mar 22, 2016
Energy recovery system for hydraulic machine
CATERPILLAR INC6 citations72
US7302797B2Dec 4, 2007
Hydraulic system having a post-pressure compensator
CATERPILLAR INC7 citations72
US9388828B2Jul 12, 2016
Hydraulic control system having swing motor energy recovery
CATERPILLAR INC4 citations69
US9261118B2Feb 16, 2016
Boom cylinder dig flow regeneration
CATERPILLAR INC4 citations68
US9388829B2Jul 12, 2016
Hydraulic control system having swing motor energy recovery
CATERPILLAR INC2 citations61
US9328744B2May 3, 2016
Hydraulic control system having swing energy recovery
CATERPILLAR INC1 citations51
US9897120B2Feb 20, 2018
Hydraulic system having energy recovery
CATERPILLAR INC0 citations48
US9187878B2Nov 17, 2015
Hydraulic control system having swing oscillation dampening
CATERPILLAR INC0 citations41
US9086081B2Jul 21, 2015
Hydraulic control system having swing motor recovery
CATERPILLAR INC0 citations40
CATERPILLAR MITSUBISHI LTD
5 patentsUS7269944B2Sep 18, 2007
Hydraulic system for recovering potential energy
CATERPILLAR MITSUBISHI LTD52 citations92
US7251935B2Aug 7, 2007
Independent metering valve control system and method
CATERPILLAR MITSUBISHI LTD20 citations92
US7204084B2Apr 17, 2007
Hydraulic system having a pressure compensator
CATERPILLAR MITSUBISHI LTD11 citations84
US7204185B2Apr 17, 2007
Hydraulic system having a pressure compensator
CATERPILLAR MITSUBISHI LTD16 citations78
US7243493B2Jul 17, 2007
Valve gradually communicating a pressure signal
CATERPILLAR MITSUBISHI LTD4 citations59
ZHANG JIAO
4 patentsUS9279236B2Mar 8, 2016
Electro-hydraulic system for recovering and reusing potential energy
ZHANG JIAO26 citations92
US8776511B2Jul 15, 2014
Energy recovery system having accumulator and variable relief
ZHANG JIAO13 citations83
US8850806B2Oct 7, 2014
Hydraulic control system having swing motor energy recovery
ZHANG JIAO19 citations82
US9068575B2Jun 30, 2015
Hydraulic control system having swing motor energy recovery
ZHANG JIAO5 citations71
UNIV SHANGHAI JIAOTONG
4 patentsUS11707778B2Jul 25, 2023
Method and apparatus for manufacturing equiaxed crystal aluminum alloy cast ingot by using additive manufacturing and rapid solidification techniques
UNIV SHANGHAI JIAOTONG1 citations61
US11524332B2Dec 13, 2022
Array-spraying additive manufacturing apparatus and method for manufacturing large-sized equiaxed crystal aluminum alloy ingot
UNIV SHANGHAI JIAOTONG0 citations50
US12345666B2Jul 1, 2025
Multi-physical field measurement device for metal solidification process and housing thereof, and measurement method
UNIV SHANGHAI JIAOTONG0 citations43
US11890660B2Feb 6, 2024
Preparation method for metal material
UNIV SHANGHAI JIAOTONG0 citations43