Jeff Cullman

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Wadsworth, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic hybrid swing drive system for excavators
- Patent number 11,421,713
- Issue date Aug 23, 2022
- Parker-Hannifin Corporation
- Jeff Cullman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Adaptive hybrid wireless power generation using piezoelectric eleme...
- Patent number 10,819,252
- Issue date Oct 27, 2020
- Parker-Hannifin Corporation
- Jeff Cullman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Hydraulic hybrid swing drive system for excavators
- Patent number 9,926,946
- Issue date Mar 27, 2018
- Parker-Hannifin Corporation
- Jeff Cullman
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ADAPTIVE HYBRID WIRELESS POWER GENERATION USING PIEZOELECTRIC ELEME...
- Publication number 20200067428
- Publication date Feb 27, 2020
- Parker-Hannifin Corporation
- Jeff Cullman
- G01 - MEASURING TESTING
Information Patent Application
HYDRAULIC HYBRID SWING DRIVE SYSTEM FOR EXCAVATORS
- Publication number 20180209449
- Publication date Jul 26, 2018
- Parker-Hannifin Corporation
- Jeff Cullman
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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
HYDRAULIC HYBRID SWING DRIVE SYSTEM FOR EXCAVATORS
- Publication number 20140373522
- Publication date Dec 25, 2014
- Jeff Cullman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING