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John FERRAZ JR.
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Romeoville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Regeneration valve for a hydraulic circuit
Patent number
11,053,958
Issue date
Jul 6, 2021
Caterpillar Inc.
John Ferraz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Modular manifold having at least two control modules for controllin...
Patent number
10,858,806
Issue date
Dec 8, 2020
Caterpillar Inc.
John Ferraz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Electro-hydraulic arrangement for an earthmoving machine
Patent number
10,753,068
Issue date
Aug 25, 2020
Caterpillar Inc.
John Ferraz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Void protection system
Patent number
9,644,649
Issue date
May 9, 2017
Caterpillar Global Mining LLC
John Ferraz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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 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
Independent metering valve with flow limiter
Patent number
8,752,371
Issue date
Jun 17, 2014
Caterpillar Inc.
John Ferraz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
REGENERATION VALVE FOR A HYDRAULIC CIRCUIT
Publication number
20200299932
Publication date
Sep 24, 2020
Caterpillar Inc.
John Ferraz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
MODULAR MANIFOLD HAVING AT LEAST TWO CONTROL MODULES FOR CONTROLLIN...
Publication number
20200291611
Publication date
Sep 17, 2020
Caterpillar Inc.
John Ferraz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
ELECTRO-HYDRAULIC ARRANGEMENT FOR AN EARTHMOVING MACHINE
Publication number
20200283995
Publication date
Sep 10, 2020
Caterpillar Inc.
John Ferraz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC VALVE
Publication number
20160201296
Publication date
Jul 14, 2016
Caterpillar Inc.
John Ferraz
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Valve Stem Cover and System
Publication number
20150267831
Publication date
Sep 24, 2015
Caterpillar Inc.
Matthew Beschorner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VOID PROTECTION SYSTEM
Publication number
20150260205
Publication date
Sep 17, 2015
Caterpillar Global Mining LLC
John Ferraz
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 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
Independent Metering Valve with Flow Limiter
Publication number
20120152368
Publication date
Jun 21, 2012
Caterpillar, Inc.
John Ferraz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL