Filter tube for high temperature gas-solid separation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9802147
APP PUB NO 20150182897A1
SERIAL NO

14397792

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A filter tube for high temperature gas-solid separation is provided that has a first cylinder and a second cylinder coaxially nested in the first cylinder with the first cylinder arranged so that an opening thereof faces upward, a first connection flange provided at a periphery of the opening of the first cylinder, and a circular through-hole provided at a bottom of the first cylinder. The second cylinder is nested in the first cylinder so that an opening of the second cylinder faces downward. The second cylinder has an end at an opening thereof that is hermetically connected to the circular through-hole of the first cylinder. The second cylinder has a bottom, and the bottom of the second cylinder and the opening of the first cylinder are at the same horizontal level. An annular gas passage is formed between the first cylinder and the second cylinder.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHINA UNIVERSITY OF PETROLEUM - BEIJINGFUXUE ROAD CHANGPING DISTRICT BEIJING 102249

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Honghai Beijing, CN 3 11
Ji, Zhongli Beijing, CN 17 54
Wu, Xiaolin Beijing, CN 94 1787
Xiong, Zhiyi Beijng, CN 2 5
Yang, Liang Beijing, CN 95 226

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 Apr 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 30, 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