Metal diaphragm damper and manufacturing method for the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11181220
APP PUB NO 20200355311A1
SERIAL NO

16762113

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A metal diaphragm damper includes disc-shaped damper main body having two diaphragms between which a gas is sealed and each of which is provided with a deformable portion at the center thereof and two regulation members that are disposed outside of the deformable portions of the two diaphragms. The metal diaphragm damper includes a first welding part provided with a first welding layer WD1 that seals an annular periphery portion of the regulation member and an outer edge portion of the diaphragm, and a second welding layer WD1 that seals an annular periphery portion of the other regulation member and an outer edge portion of the other diaphragm. The metal diaphragm damper further includes a second welding part provided with a welding layer WD2 that seals the annular periphery portions of the two regulation members.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
EAGLE INDUSTRY CO LTDMINATO-KU TOKYO 105-8587

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwa, Toshiaki Tokyo, JP 37 491
Ogawa, Yoshihiro Tokyo, JP 208 2536
Sato, Yusuke Tokyo, JP 150 783

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
3.5 Year Payment $1600.00 $800.00 $400.00 May 23, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 May 23, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 23, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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