Matthew A. Hartman

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Bloomington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for automatically positioning the blade of a motor grader to...
- Patent number 6,278,955
- Issue date Aug 21, 2001
- Caterpillar Inc.
- Matthew A. Hartman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for automatically controlling the articulation angle of a mo...
- Patent number 6,152,237
- Issue date Nov 28, 2000
- Caterpillar Inc.
- Matthew A. Hartman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for automatically moving the blade of a motor grader from a...
- Patent number 6,129,156
- Issue date Oct 10, 2000
- Caterpillar Inc.
- Susan M. Boast
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Motor grader having dual steering mechanisms
- Patent number H1851
- Issue date Jun 6, 2000
- Caterpillar Inc.
- Craig B. Kelley
- 180 - Motor vehicles
Information Patent Grant
Method for monitoring the position of a motor grader blade relative...
- Patent number 6,028,524
- Issue date Feb 22, 2000
- Caterpillar Inc.
- Matthew A. Hartman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cycle planner for an earthmoving machine
- Patent number 5,924,493
- Issue date Jul 20, 1999
- Caterpillar Inc.
- Matthew A. Hartman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING