John E. Francis

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Bucket shakeout mechanism for electro-hydraulic machines
- Patent number 6,725,105
- Issue date Apr 20, 2004
- Caterpillar Inc.
- John E. Francis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Auto-up switch for simultaneously retracting a pair of stabilizer l...
- Patent number 6,481,749
- Issue date Nov 19, 2002
- Caterpillar Inc.
- Kem D. Ahlers
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for minimizing loader frame stress
- Patent number 6,363,832
- Issue date Apr 2, 2002
- Caterpillar Inc.
- John E. Francis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Low RPM switching tachometer
- Patent number 6,182,634
- Issue date Feb 6, 2001
- Caterpillar Inc.
- Sarah D. Caldwell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Bucket shakeout mechanism for electro-hydraulic machines
- Publication number 20020065575
- Publication date May 30, 2002
- John E. Francis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
AUTO-UP SWITCH FOR SIMULANEOUSLY RETRACTING A PAIR OF STABILZER LEG...
- Publication number 20020060450
- Publication date May 23, 2002
- KEM D. AHLERS
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING