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Howard L. Johnson

Caterpillar Inc.

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Publication

Featured researches published by Howard L. Johnson.

Archive | 1976

Load controlled fluid system having parallel work elements

Howard L. Johnson

Archive | 1980

Control for load sharing pumps

Howard L. Johnson

Archive | 1976

Lock valve assembly

Howard L. Johnson

Archive | 1976

Force balanced valve spool

Howard L. Johnson

Archive | 1978

Combination check and flow control valve for hydraulic systems

Howard L. Johnson

Archive | 1976

Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means

Howard L. Johnson

Archive | 1968

Hydraulically stabilized double-acting pilot-operated load check valves

Howard L. Johnson

Archive | 1981

Flow force balanced spool valve

Howard L. Johnson

Archive | 1976

Anti-cavitation and pressure modulating relief valve for controlling hydraulic cylinders

Howard L. Johnson

Archive | 1974

All hydraulic motor grader circuitry

Howard L. Johnson; John A. Junck

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Walter Z. Ruseff

Caterpillar Inc.

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John A. Junck

Caterpillar Inc.

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Joseph E. Dezelan

Caterpillar Inc.

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Leon E. Hicks

Caterpillar Inc.

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