logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9850747 B1

PDFFull Text
Expired
Date of Patent:
Dec. 26, 2017

Filed:

Jan. 25, 2016

Fissured substrata water pumping apparatus and method

Applicant:

China University of Mining and Technology, Xuzhou, CN;

Inventors:

Zhanguo Ma, Xuzhou, CN;

Guozhen Zhao, Xuzhou, CN;

Fan Zhang, Xuzhou, CN;

Peng Gong, Xuzhou, CN;

Zhongxi Jiang, Xuzhou, CN;

Jianli Yang, Xuzhou, CN;

Xinli Zhang, Xuzhou, CN;

Zhanlin Ma, Xuzhou, CN;

Yunjing Ma, Xuzhou, CN;

Assignee:

CHINA UNIVERSTIY OF MINING AND TECHNOLOGY, Xuzhou, CN;

Attorney:

Anova Law Group, PLLC

Primary Examiner:

Matthew R Buck

Assistant Examiner:

Douglas S Wood

Int. Cl.
CPC ...
E21B 43/00 (2006.01); E21B 43/32 (2006.01); E21F 16/00 (2006.01); E21B 33/12 (2006.01); E21B 43/40 (2006.01); F04F 1/06 (2006.01); F04F 3/00 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/121 (2013.01); E21B 43/32 (2013.01); E21F 16/00 (2013.01);
Abstract

The present invention provides a fissured substrata water pumping apparatus and methods thereof. The fissured substrata water pumping apparatus includes a water pumping pipe inserted into a drilled hole under a roadway floor; one or more unidirectional water-blocking plates configured inside the water pumping pipe; a servo pump; and an annular drainage siphon having a first end connected to an upper end of the water pumping pipe, and a second end connected to an inlet end of the servo pump through a valve.

Find Patent Forward Citations

Ma, Zhanguo. (2017). Fissured substrata water pumping apparatus and method (U.S. Patent No. 9850747). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9850747

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…