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.

Date of Patent:
Oct. 03, 2023

Filed:

Jul. 19, 2019
Applicant:

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

Inventors:

Haijang Fang, Zhengzhou, CN;

Weifeng Du, Zhengzhou, CN;

Yongfeng Wang, Zhengzhou, CN;

Dongpeng Zhao, Zhengzhou, CN;

Assignee:

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

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/50 (2006.01); C01B 32/25 (2017.01); E21B 10/48 (2006.01);
U.S. Cl.
CPC ...
C01B 32/25 (2017.08); E21B 10/485 (2013.01); E21B 10/50 (2013.01); C01P 2002/90 (2013.01); C01P 2006/90 (2013.01);
Abstract

A polycrystalline element includes a table formed of polycrystalline diamond. The table includes a first surface; a second surface spaced apart from the first surface; and at least one side extending between the first surface and the second surface. The table also includes a plurality of extensions also formed of polycrystalline diamond, wherein at least one extension of the plurality of extensions extends away from at least one of the first surface and the at least one side. Optionally, the polycrystalline diamond of at least one extension of the plurality of extensions is contiguous with the polycrystalline diamond of the table. The polycrystalline element may be used in downhole tools for boring and well drilling, machine tools, and bearings.


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Fang, Haijang. (2023). Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom (U.S. Patent No. 11772977). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11772977

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