Fuel cell system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9928820
SERIAL NO

15249512

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A fuel cell system includes a fuel cell, an air supplier that supplies air to a cathode of the fuel cell, a flow rate sensor that senses an air flow rate, and a silencer that reduces sound of a certain frequency through interference of an acoustic wave, the flow rate sensor, the air supplier, and the fuel cell being arranged in an air passage in series in order named from an upstream side of flow of the air, the silencer being arranged in a branch portion of the air passage, the branch portion being between the flow rate sensor and the air supplier.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD22-6 MOTO-MACHI KADOMA-SHI OSAKA 571-0057

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yakumaru, Yuuichi Osaka, JP 27 317
Yukimasa, Akinori Osaka, JP 51 136

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 27, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 27, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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