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 11377910 B1

PDFFull Text
Date of Patent:
Jul. 05, 2022

Filed:

Aug. 18, 2019

Polycrystalline diamond compact

Applicant:

Sf Diamond Co., Ltd., Zhengzhou, CN;

Inventors:

Dongpeng Zhao, Zhengzhou, CN;

Weifeng Du, Zhengzhou, CN;

Shanshan Ma, Zhengzhou, CN;

Tongjian Niu, Zhengzhou, CN;

Haijiang Fang, Zhengzhou, CN;

Assignee:

SF DIAMOND CO., LTD., Zhengzhou, CN;

Attorneys:

Matthias Scholl P.C.

Matthias Scholl

Primary Examiner:

James E McDonough

Int. Cl.
CPC ...
B24D 3/02 (2006.01); E21B 10/567 (2006.01); C04B 37/02 (2006.01); B24D 3/00 (2006.01); B24D 11/00 (2006.01); B24D 18/00 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
E21B 10/5673 (2013.01); C04B 37/021 (2013.01); B24D 18/00 (2013.01); C04B 2237/363 (2013.01); C04B 2237/401 (2013.01); C04B 2237/64 (2013.01);
Abstract

A polycrystalline diamond compact including a cemented carbide substrate and a polycrystalline diamond layer bonded to the cemented carbide substrate. The polycrystalline diamond layer is nonplanar and includes a central part and a peripheral part surrounding the central part. The central part includes a protruding surface relative to the peripheral part. The protruding surface is spherical or planar. The peripheral part includes a plurality of radially-disposed ridges.

Find Patent Forward Citations

Zhao, Dongpeng. (2022). Polycrystalline diamond compact (U.S. Patent No. 11377910). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11377910

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

Loading…