Hydraulic system for construction machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2017
Issued Date -
N/A
app pub date -
Mar 13, 2014
filing date -
Mar 14, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure relates to a hydraulic system for a construction machine, and more particularly, to a hydraulic system for a construction machine including a plurality of actuators, in which each of the actuators includes a pump/motor, is operated under a control of a corresponding pump/motor, and stores working oil in an accumulator or receives the working oil supplemented from the accumulator in accordance with a difference between a flow rate entering the actuator and a flow rate discharged from the actuator.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- F15B Class
- 519 Applications Filed
- 441 Patents Issued To-Date
- 84.98 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- F15B Class
- 34.83 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 28, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2029 |
