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US Patent 11926986 Hydraulic excavator drive system
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Patent
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Date Filed
July 29, 2021
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Date of Patent
March 12, 2024
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Patent Application Number
18022664
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Patent Citations
US Patent 9290912 Energy recovery system having integrated boom/swing circuits
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US Patent 10604915 Hydraulic system and hydraulic control method for construction machine
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US Patent 11466434 Hydraulic system
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US Patent 10988915 Hydraulic system of construction machinery
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US Patent 11542683 Construction machine
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US Patent 7565801 Swing drive device and work machine
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US Patent 7634911 Energy recovery system
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Patent Inventor Names
Akihiro Kondo
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Yoshiyuki Tode
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Hideyasu Muraoka
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
11926986
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Patent Primary Examiner
Michael Leslie
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CPC Code
E02F 9/2217
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E02F 9/2239
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F15B 21/14
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F15B 11/17
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F15B 11/165
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E02F 9/2242
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F15B 2211/6313
0
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