Micro core-drilling testing system for high-pressure environment

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12181382
APP PUB NO 20230003619A1
SERIAL NO

17941235

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A micro core-drilling testing system for high-pressure environment, including: a pressure chamber, a micro core-drilling testing platform and a control device. The micro core-drilling testing platform includes a lower tray, a middle tray, a hydraulic system, a stroke cylinder, a rock sample plate, a rock sample block, a pressure compensation device and a drilling rig. The drilling rig is configured to carry out core-drilling operation. The hydraulic system is configured to provide power for the drilling rig. The pressure compensation device is configured to balance the pressure inside the pressure chamber and the hydraulic system.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY411199 NO 2 SHITOU YUHU DISTRICT XIANGTAN CITY HUNAN PROVINCE XIANGTAN CITY HUNAN PROVINCE 411199

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Xiaobin Xiangtan, CN 22 139
Jin, Yongping Xiangtan, CN 19 23
Liu, Ping Xiangtan, CN 587 9247
Peng, Youduo Xiangtan, CN 6 1

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 Jun 30, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 30, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 30, 2036
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