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US Patent 11891779 Hydraulic excavator
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Is a
Patent
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Date Filed
December 12, 2019
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Date of Patent
February 6, 2024
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Patent Application Number
17272688
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Patent Citations
US Patent 9903097 Hydraulic circuit for construction machine
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US Patent 9932994 Hydraulic circuit for construction machine and control device therefor
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US Patent 10253479 Hydraulic system for work machine
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US Patent 11346081 Construction machine
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US Patent 10619632 Hydraulic drive system of construction machine
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US Patent 11434937 Excavator and control valve for excavator
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US Patent 8607557 Hydraulic control system for excavator
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US Patent 9869311 System for estimating a displacement of a pump
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Patent Inventor Names
Kohei Ogura
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Masahiro Kayane
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Yoshihiro Shirakawa
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Katsuaki Kodaka
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
11891779
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Patent Primary Examiner
Saul Rodriguez
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CPC Code
F15B 15/204
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E02F 3/425
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E02F 3/32
0
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