Airflow-enhanced embankment ventilation structure, composite embankment structure, and construction method thereof

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11987937
SERIAL NO

18384388

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A composite embankment structure includes an embankment, an airflow-enhanced embankment ventilation structure, and a heat pipe system. The embankment includes an embankment filler layer, a ventilation slab lower leveling layer, a ventilation slab upper cushion, and a pavement structure layer arranged in sequence from bottom to top. The ventilation slab in the airflow-enhanced embankment ventilation structure is arranged between the ventilation slab lower leveling layer and the ventilation slab upper cushion. The heat pipe system includes a heat pipe, and one end of the heat pipe is inserted into the embankment from an embankment slope and is located under the ventilation slab.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES CHINESE ACADEMY OF SCIENCESCHENGGUAN DISTRICT OF GANSU CITY OF LANZHOU PROVINCE DONGGANG WEST ROAD 730000 NO 320 LANZHOU CITY GANSU PROVINCE 730000

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, Shuai Lanzhou, CN 18 13
Pei, Wansheng Lanzhou, CN 3 0
Wang, Chong Lanzhou, CN 175 1319
Zhang, Mingyi Lanzhou, CN 15 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
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