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:
Jul. 29, 2014
Filed:
Jan. 19, 2011
William C. Gill, Katy, TX (US);
Michael J. Harris, Houston, TX (US);
Aju Abraham, Houston, TX (US);
Robert James Costo, Jr., The Woodlands, TX (US);
William C. Gill, Katy, TX (US);
Michael J. Harris, Houston, TX (US);
Aju Abraham, Houston, TX (US);
Robert James Costo, Jr., The Woodlands, TX (US);
Smith International, Inc., Houston, TX (US);
Abstract
A pressurizing device includes a main housing having a central bore therethrough and a ball drop module removably disposed within the main housing, the ball drop module including a ball seat hingedly attached within the ball drop module and configured to receive a dropped ball, wherein the ball seat is configured to rotate about a hinge from a closed position to an open position when a pressure above the ball seat exceeds a preset limit.