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:
Oct. 26, 2021
Filed:
Aug. 12, 2020
Applicant:
Forum Us, Inc., Houston, TX (US);
Inventors:
Jeremy S. Granger, Rayne, LA (US);
Lawrence E. Childress, II, Spring, TX (US);
Assignee:
FORUM US, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/10 (2006.01); E21B 17/10 (2006.01); F16B 21/18 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1007 (2013.01); F16B 21/186 (2013.01);
Abstract
A device for extending the useable life of a split bowl by reducing wear of the thru bore of the split bowl during drilling operations. A replaceable wear bushing with a wear indicator is inserted in the thru bore of the two halves of the split bowl. The wear indicator may be a groove formed in an inner diameter of the wear bushing. The wear bushing may be inserted in a bushing groove formed in an inner diameter of the thru bore of the two halves of the split bowl. A retainer plate may be used to retain the wear bushing in the bushing groove.