Bryan A. Johnson

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Oswego, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Split spool valve
- Patent number 10,337,532
- Issue date Jul 2, 2019
- Caterpillar Inc.
- Pengfei Ma
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve having improved spool geometry
- Patent number 9,599,238
- Issue date Mar 21, 2017
- Caterpillar Inc.
- Matthew J. Beschorner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Void protection system
- Patent number 9,206,583
- Issue date Dec 8, 2015
- Caterpillar Global Mining LLC
- Matthew J. Beschorner
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic control system having variable pressure relief
- Patent number 8,899,143
- Issue date Dec 2, 2014
- Caterpillar Inc.
- Aaron Y. Ho
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system having implement and steering flow sharing
- Patent number 8,756,930
- Issue date Jun 24, 2014
- Caterpillar Inc.
- Bryan A. Johnson
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Filter assembly
- Patent number 8,211,302
- Issue date Jul 3, 2012
- Caterpillar Inc.
- John V. Mount
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Split Spool Valve
- Publication number 20180156244
- Publication date Jun 7, 2018
- Caterpillar Inc.
- Pengfei Ma
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
VALVE HAVING IMPROVED SPOOL GEOMETRY
- Publication number 20160290516
- Publication date Oct 6, 2016
- Caterpillar Inc.
- Matthew J. BESCHORNER
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VOID PROTECTION SYSTEM
- Publication number 20140308106
- Publication date Oct 16, 2014
- Caterpillar Global Mining LLC
- Matthew J. Beschorner
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Excess Flow Control Valve Calibration Method
- Publication number 20140129035
- Publication date May 8, 2014
- Caterpillar Inc.
- Matthew S. Marquette
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
HYDRAULIC CONTROL SYSTEM HAVING VARIABLE PRESSURE RELIEF
- Publication number 20130000288
- Publication date Jan 3, 2013
- Aaron Y. HO
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC SYSTEM HAVING IMPLEMENT AND STEERING FLOW SHARING
- Publication number 20110289908
- Publication date Dec 1, 2011
- Bryan A. JOHNSON
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING