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:
Jun. 16, 2020

Filed:

Nov. 15, 2016
Applicants:

Yash Parekh, Houston, TX (US);

Zhiyue Xu, Cypress, TX (US);

Inventors:

Yash Parekh, Houston, TX (US);

Zhiyue Xu, Cypress, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/01 (2006.01); C04B 35/10 (2006.01); C04B 35/565 (2006.01); C04B 35/584 (2006.01); C22C 5/06 (2006.01); C22C 9/01 (2006.01); C22C 19/03 (2006.01); C22C 21/06 (2006.01); C22C 23/02 (2006.01); C22C 38/06 (2006.01); E21B 33/129 (2006.01);
U.S. Cl.
CPC ...
E21B 23/01 (2013.01); C04B 35/10 (2013.01); C04B 35/565 (2013.01); C04B 35/584 (2013.01); C22C 5/06 (2013.01); C22C 9/01 (2013.01); C22C 19/03 (2013.01); C22C 21/06 (2013.01); C22C 23/02 (2013.01); C22C 38/06 (2013.01); E21B 33/1293 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/3873 (2013.01);
Abstract

An anchor member comprises a substrate; and at least one insert secured to the substrate and extending outwardly from an outer surface of the substrate. The insert is configured for engagement with another member. In an embodiment, the insert comprises a shell at least partially defining an empty core. Alternatively, the insert comprises an inner portion and an outer portion disposed on the inner portion; the inner portion comprising a soft material which comprises one or more of the following: a low carbon steel or an aluminum alloy; and the outer portion comprising the soft material and a hard material and having a gradient in the weight ratio of the soft material to the hard material, the hard material comprising one or more of the following: an intermetallic compound; a ceramic; a hard steel; or a titanium alloy.


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