Bladder-type pressure tank and preparation method thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11988333
APP PUB NO 20230003343A1
SERIAL NO

17945061

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A bladder-type pressure tank includes an outer shell, a bladder, a nozzle, and an elbow pipe. The outer shell includes a liner and a glass-fiber layer covering the outer surface of the liner. The liner includes polyethylene (PE). The liner further includes a chamber, a first opening, and a second opening. The bladder is disposed in the chamber. In an inflated state of the bladder, a gap is formed between the inflated bladder and the inner surface of the liner. The bladder includes polyurethane (PU). The nozzle is integrated with the bladder, and is disposed in the first opening and seals the first opening. The elbow pipe includes a first end and a second end. The first end of the elbow pipe is disposed in the second opening and communicates with the chamber; and the second end of the elbow pipe is configured to connect to a pipeline.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
XI'AN SUNWARD AEROMAT CO LTDNO 32 TUANJIE SOUTH ROAD HI-TECH DEVELOPMENT ZONE XI'AN 710065

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, Xiangrong Xi'an, CN 1 0
Du, Zeqiang Xi'an, CN 1 0
Hu, Liang Xi'an, CN 153 574
Li, Dongshuang Xi'an, CN 2 1
Liu, Hongshang Xi'an, CN 1 0
Lyu, Guangpu Xi'an, CN 1 0
Zhang, Chaogang Xi'an, CN 4 0
Zhang, Lijun Xi'an, CN 174 2085

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 Nov 21, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 21, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 21, 2035
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