Heather M. Armistead

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system having dual tilt blade control
- Patent number 9,790,661
- Issue date Oct 17, 2017
- Caterpillar Inc.
- Timothy L. Hand
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system having dual tilt blade control
- Patent number 8,893,818
- Issue date Nov 25, 2014
- Caterpillar Inc.
- Timothy L. Hand
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC SYSTEM HAVING DUAL TILT BLADE CONTROL
- Publication number 20150081179
- Publication date Mar 19, 2015
- Caterpillar Inc.
- Timothy L. Hand
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC SYSTEM HAVING DUAL TILT BLADE CONTROL
- Publication number 20120152575
- Publication date Jun 21, 2012
- Timothy L. Hand
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING