Patrick Stegemann

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic hybrid swing drive system for excavators
- Patent number 10,024,341
- Issue date Jul 17, 2018
- Parker-Hannifin Corporation
- Hao Zhang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Variable load sense open center hybrid system
- Patent number 9,777,464
- Issue date Oct 3, 2017
- Parker-Hannifin Corporation
- Jarmo Harsia
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC HYBRID SWING DRIVE SYSTEM FOR EXCAVATORS
- Publication number 20160010663
- Publication date Jan 14, 2016
- Parker-Hannifin Corporation
- Hao Zhang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
VARIABLE LOAD SENSE OPEN CENTER HYBRID SYSTEM
- Publication number 20160002888
- Publication date Jan 7, 2016
- Parker-Hannifin Corporation
- Jarmo Harsia
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING