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:
Aug. 31, 1999
Filed:
Jan. 15, 1998
Applicant:
Inventors:
Alan Orr, Tulsa, OK (US);
Bernard J Cook, Tulsa, OK (US);
Assignee:
Helmerich & Payne International Drilling Company, Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
366245 ; 366347 ;
Abstract
A tank system for storage and agitation of fluids. A tank includes cylindrical walls, a spherical bottom and an open top. A combined cover and walkway above the open top is parallel to the diameter of the cylindrical tank. A vent stack extending from the combined cover and walkway vents fumes from the cylindrical tank. A space is provided between the cover and the open top of the tank for fresh air intake.