Membership
Tour
Register
Log in
Dayao Chen
Follow
Person
Bolingbrook, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ball float vent valve
Patent number
11,428,336
Issue date
Aug 30, 2022
Caterpillar Inc.
William N. O'Neill
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic retarding control system
Patent number
11,052,881
Issue date
Jul 6, 2021
Caterpillar Underground Mining Pty. Ltd.
Dayao Chen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic cylinder health monitoring and remaining life system
Patent number
10,837,472
Issue date
Nov 17, 2020
Caterpillar Inc.
Dayao Chen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic accumulator health monitoring and remaining life system
Patent number
10,467,881
Issue date
Nov 5, 2019
Caterpillar Inc.
Dayao Chen
G01 - MEASURING TESTING
Information
Patent Grant
System and method of hydraulic energy recovery for machine start-st...
Patent number
10,174,770
Issue date
Jan 8, 2019
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Integration of swing energy recovery and engine anti-idling systems
Patent number
9,951,795
Issue date
Apr 24, 2018
Caterpillar Inc.
Tonglin Shang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Fluid systems for machines with integrated energy recovery circuit
Patent number
9,945,396
Issue date
Apr 17, 2018
Caterpillar Inc.
Tonglin Shang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
System and method for hydraulic energy recovery
Patent number
9,932,993
Issue date
Apr 3, 2018
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Engine assist by recovering swing kinetic energy
Patent number
9,809,958
Issue date
Nov 7, 2017
Caterpillar Inc.
Tonglin Shang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Machine having hydraulic start assist system
Patent number
9,745,940
Issue date
Aug 29, 2017
Caterpillar Inc.
Emily Anne Morris
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Implement system having hydraulic start assist
Patent number
9,618,014
Issue date
Apr 11, 2017
Caterpillar Inc.
Emily Anne Morris
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic system recovering swing kinetic and boom potential energy
Patent number
9,556,591
Issue date
Jan 31, 2017
Caterpillar Inc.
Tonglin Shang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic control system having swing motor energy recovery
Patent number
9,388,829
Issue date
Jul 12, 2016
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic accumulator health diagnosis
Patent number
9,366,269
Issue date
Jun 14, 2016
Caterpillar Inc.
Dayao Chen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control system for machine
Patent number
9,315,968
Issue date
Apr 19, 2016
Caterpillar Inc.
Tonglin Shang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Energy recovery system for hydraulic machine
Patent number
9,290,911
Issue date
Mar 22, 2016
Caterpillar Inc.
Pengfei Ma
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electro-hydraulic system for recovering and reusing potential energy
Patent number
9,279,236
Issue date
Mar 8, 2016
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control system having swing energy recovery
Patent number
9,139,982
Issue date
Sep 22, 2015
Caterpillar Inc.
Pengfei Ma
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control system having swing motor recovery
Patent number
9,086,081
Issue date
Jul 21, 2015
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Energy recovery hydraulic system
Patent number
9,086,061
Issue date
Jul 21, 2015
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Method and arrangement for active make-up in an overrunning actuator
Patent number
8,966,890
Issue date
Mar 3, 2015
Caterpillar Inc.
Daniel T. Mather
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control system having energy recovery kit
Patent number
8,919,113
Issue date
Dec 30, 2014
Caterpillar Inc.
Pengfei Ma
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic accumulator pre-charge pressure detection
Patent number
8,833,143
Issue date
Sep 16, 2014
Caterpillar Inc.
Dayao Chen
G01 - MEASURING TESTING
Information
Patent Grant
Energy recovery system having accumulator and variable relief
Patent number
8,776,511
Issue date
Jul 15, 2014
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
BALL FLOAT VENT VALVE
Publication number
20220178457
Publication date
Jun 9, 2022
Caterpillar lnc.
William N. O'Neill
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC CYLINDER HEALTH MONITORING AND REMAINING LIFE SYSTEM
Publication number
20190257327
Publication date
Aug 22, 2019
Caterpillar Inc.
Dayao Chen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Hydraulic Accumulator Health Monitoring And Remaining Life System
Publication number
20190228637
Publication date
Jul 25, 2019
Caterpillar Inc.
Dayao Chen
G08 - SIGNALLING
Information
Patent Application
FLUID SYSTEMS FOR MACHINES WITH INTEGRATED ENERGY RECOVERY CIRCUIT
Publication number
20170241445
Publication date
Aug 24, 2017
Caterpillar Inc.
Tonglin Shang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SYSTEM AND METHOD OF HYDRAULIC ENERGY RECOVERY FOR MACHINE START-ST...
Publication number
20170130739
Publication date
May 11, 2017
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR HYDRAULIC ENERGY RECOVERY
Publication number
20170130744
Publication date
May 11, 2017
Caterpillar Inc.
Jiao Zhang
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Engine Assist by Recovering Swing Kinetic Energy
Publication number
20160281329
Publication date
Sep 29, 2016
Caterpillar Inc.
Tonglin Shang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Hydraulic System Recovering Swing Kinetic and Boom Potential Energy
Publication number
20160281330
Publication date
Sep 29, 2016
Caterpillar Inc.
Tonglin Shang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Integration of Swing Energy Recovery and Engine Anti-Idling Systems
Publication number
20160281745
Publication date
Sep 29, 2016
Caterpillar Inc.
Tonglin Shang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
IMPLEMENT SYSTEM HAVING HYDRAULIC START ASSIST
Publication number
20150247304
Publication date
Sep 3, 2015
Caterpillar Inc.
Emily Anne MORRIS
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
MACHINE HAVING HYDRAULIC START ASSIST SYSTEM
Publication number
20150247509
Publication date
Sep 3, 2015
Caterpillar Inc.
Emily Anne MORRIS
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
MACHINE HAVING HYDRAULIC START ASSIST SYSTEM
Publication number
20150247513
Publication date
Sep 3, 2015
Caterpillar Inc.
Emily Anne Morris
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY KIT
Publication number
20150101164
Publication date
Apr 16, 2015
Caterpillar Inc.
Pengfei MA
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC CONTROL SYSTEM FOR MACHINE
Publication number
20150075147
Publication date
Mar 19, 2015
Caterpillar Inc.
Tonglin Shang
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION
Publication number
20150000756
Publication date
Jan 1, 2015
Caterpillar Inc.
Dayao Chen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Hydraulic Hybrid Boom System Hydraulic Transformer
Publication number
20140325972
Publication date
Nov 6, 2014
Caterpillar Inc.
Pengfei Ma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Hydraulic Control System Having Relief Flow Capture
Publication number
20140283915
Publication date
Sep 25, 2014
Caterpillar Inc.
Pengfei Ma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
ENERGY RECOVERY SYSTEM FOR HYDRAULIC MACHINE
Publication number
20140230420
Publication date
Aug 21, 2014
Caterpillar Inc.
Pengfei MA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Method and Hydraulic Control System Having Swing Motor Energy Recovery
Publication number
20140208728
Publication date
Jul 31, 2014
Caterpillar Inc.
Pengfei Ma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Energy Recovery Hydraulic System
Publication number
20140150415
Publication date
Jun 5, 2014
Caterpillar Inc.
Jiao Zhang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HYDRAULIC CONTROL SYSTEM HAVING SWING MOTOR ENERGY RECOVERY
Publication number
20140060023
Publication date
Mar 6, 2014
Caterpillar Inc.
Jiao ZHANG
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC CONTROL SYSTEM HAVING SWING MOTOR RECOVERY
Publication number
20140060024
Publication date
Mar 6, 2014
Caterpillar Inc.
Jiao ZHANG
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC CONTROL SYSTEM
Publication number
20140060018
Publication date
Mar 6, 2014
Pengfei Ma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC ACCUMULATOR HEALTH MONITOR
Publication number
20140060030
Publication date
Mar 6, 2014
Pengfei Ma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
ELECTRO-HYDRAULIC SYSTEM FOR RECOVERING AND REUSING POTENTIAL ENERGY
Publication number
20130318955
Publication date
Dec 5, 2013
Caterpillar Inc.
Jiao ZHANG
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC ACCUMULATOR HEALTH DIAGNOSIS
Publication number
20130253854
Publication date
Sep 26, 2013
Caterpillar Inc.
Dayao Chen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION
Publication number
20130247999
Publication date
Sep 26, 2013
Caterpillar Inc.
Dayao Chen
G01 - MEASURING TESTING
Information
Patent Application
Method and arrangement for active make-up in an overrunning actuator
Publication number
20130025271
Publication date
Jan 31, 2013
Caterpillar Inc.
Daniel T. Mather
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
ENERGY RECOVERY SYSTEM HAVING ACCUMULATOR AND VARIABLE RELIEF
Publication number
20130000290
Publication date
Jan 3, 2013
Jiao ZHANG
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY KIT
Publication number
20130000094
Publication date
Jan 3, 2013
Pengfei MA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING