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Pilot control system
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Patent number 6,477,836
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Issue date Nov 12, 2002
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Caterpillar Inc.
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Donald L. Bianchetta
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Oil processor circuit
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Patent number 5,666,807
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Issue date Sep 16, 1997
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Caterpillar Inc.
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Donald L. Bianchetta
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Hydraulic control system
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Patent number 5,293,746
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Issue date Mar 15, 1994
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Caterpillar Inc.
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Donald L. Bianchetta
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Load pressure duplicating circuit
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Patent number 5,077,972
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Issue date Jan 7, 1992
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Caterpillar Inc.
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Donald L. Bianchetta
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Load sensing hydraulic control system
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Patent number 5,063,739
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Issue date Nov 12, 1991
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Caterpillar Inc.
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Donald L. Bianchetta
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Control for a fluid-driven fan
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Patent number 4,487,255
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Issue date Dec 11, 1984
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Caterpillar Tractor Co.
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Donald L. Bianchetta
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Synchronized vehicle fluid drive system
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Patent number 4,011,920
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Issue date Mar 15, 1977
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Caterpillar Tractor Co.
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Donald L. Bianchetta
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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