Rapid construction device and method for prestressed basalt fiber anchor rod

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11773558
APP PUB NO 20230151575A1
SERIAL NO

17584442

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A rapid construction device for a prestressed basalt fiber anchor rod, includes a sleeve drill rod and a drill bit; the sleeve drill rod includes an inner and an outer cylinders; a middle of the drill bit is connected to a lower end of the inner cylinder, an edge of the drill is connected to a lower end of the outer cylinder, a constraint hole is defined in the middle of the drill bit for allowing a basalt fiber reinforced plastic (BFRP) penetrating therethrough, a magnetic baffle is arranged at a lower end of the constraint hole to shield the constraint hole, and a plurality of through holes are defined in the drill bit; and the BFRP is pushed to push off the magnetic baffle to lower the BFRP to a set position, and then a space between the inner and outer cylinders is grouted.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
WUHAN CENTER CHINA GEOLOGICAL SURVEY (CENTRAL SOUTH CHINA INNOVATION CENTER FOR GEOSCIENCES)WUHAN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dai, Zhenwei Wuhan, CN 6 2
Du, Zhigang Wuhan, CN 19 53
Fu, Xiaolin Wuhan, CN 11 2
Guo, Jinjun Wuhan, CN 8 3
Ye, Runqing Wuhan, CN 16 57
Zhang, Anle Wuhan, CN 5 0
Zhang, Yanjun Wuhan, CN 42 302
Zhou, Shengtao Wuhan, CN 4 0

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 Apr 3, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 3, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 3, 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