Hydraulic pump apparatus

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United States of America Patent

PATENT NO 6997099
SERIAL NO

11003048

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Abstract

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A valve plate subjected to a nitrocarburization heat treatment process for use in a hydraulic pump, wherein the hydraulic pump includes a sump having a rotatable cylinder block located therein.

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Patent Owner(s)

Patent OwnerAddress
HYDRO-GEAR LIMITED PARTNERSHIP1411 SOUTH HAMILTON STREET SULLIVAN IL 61951

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hauser, Raymond M Sullivan, IL 19 221
Trimble, Robert E Sullivan, IL 21 209

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