Hydraulic pump or motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8794124
APP PUB NO 20130152777A1
SERIAL NO

13809671

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present embodiments disclose an axial hydraulic pump including a residual pressure regenerating circuit (30) which is a pipe line communicating with a top dead center side communication port (31) and a bottom dead center side communication port (32). Further, the axial hydraulic pump includes cylinder ports (26-1 to 26-8) which are provided in the respective cylinder bores of the cylinder block (6) and are operated with the rotation of the cylinder block (6). Even further, the axial hydraulic pump includes communication holes (41-1 to 41-8) which communicate with the top dead center side communication port (31) and the bottom dead center side communication port (32).

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
KOMATSU LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iida, Takeo Koga, JP 18 105
Nakagawa, Tadashi Mibu-machi, JP 75 747
Sakai, Tomohiro Oyama, JP 88 397

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 5, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00