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. 20, 2010
Filed:
Jan. 29, 2008
Applicants:
Robert T. Brooks, Houston, TX (US);
Frank V. DE Lucia, Houston, TX (US);
Inventors:
Robert T. Brooks, Houston, TX (US);
Frank V. De Lucia, Houston, TX (US);
Assignee:
TAM International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A float collarincludes a housingand a generally sleeve-shaped elastomer. The lower plateand an upper plateare each supported on an elongate rod, and at least one of the plates is axially fixed relative to the tubular housing. The plate intended for exposure to fluid pressure includes a plurality of arcuate flow portsfor communication with the annulus between the tubular housing and the elastomer prior to swelling of the elastomer.