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:
Dec. 15, 1998
Filed:
Feb. 18, 1997
Donald R Onken, Easton, IL (US);
Onken L.L.C., Easton, IL (US);
Abstract
A heating device for a fluid storage tank is provided. The heating device comprises a heat tube including first and second elongate hollow legs which are joined together at an angle relative to each other so as to enable fluid flow therebetween. The first and second hollow legs being at least partially filled with a heat transfer fluid and being adapted to be disposed in a fluid storage tank with one leg extending generally longitudinally relative to the tank and one leg extending generally transversely relative to the tank adjacent a bottom wall of the tank. A heater is arranged in an aperture adjacent one end of the first elongate hollow structure. A safety relief valve can also be arranged on the heat tube so as to enable venting of an excess pressure condition of the heat transfer fluid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile