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.:
Date of Patent:
Apr. 14, 2015
Filed:
Dec. 31, 2012
Applicants:
Christopher J. Reilly, Whitinsville, MA (US);
Edmund A. Cortellini, North Brookfield, MA (US);
Robin M. Harrington, Leicester, MA (US);
Inventors:
Christopher J. Reilly, Whitinsville, MA (US);
Edmund A. Cortellini, North Brookfield, MA (US);
Robin M. Harrington, Leicester, MA (US);
Assignee:
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/573 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/12 (2013.01);
Abstract
A pipe choke for use in drilling and mining operations comprising a body including a first end and a second end configured to couple to a pipe, an opening extending through the body from the first end to the second end, and wherein the body includes a first phase comprising recrystallized silicon carbide and a second phase comprising silicon.