Oil hydraulic system for moving a gate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9194404
APP PUB NO 20130213028A1
SERIAL NO

13522234

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An oil-hydraulic system for moving a gate, comprises a double-acting oil-hydraulic cylinder (11), which is intended to be kinematically connected to the gate to move it, and an electro-hydraulic pump (12) to feed and actuate the cylinder upon command. A switching valve (13) interconnects the cylinder (11) alternatively with the pump (12) or with a tank (14) of oil-hydraulic fluid. In rest conditions, the valve (13) connects the cylinder (11) to the tank (14), to allow free manual movement of a gate connected to the cylinder, and it is automatically controlled by the pressure variations in the system that are produced by the actuation of the pump (12) to disconnect the cylinder (11) from the tank (14) and connect it to the pump (12).

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • FAAC S.P.A.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Palmieri, Luca Zola Predosa, IT 10 38

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 May 24, 2027
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