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. 12, 1999
Filed:
Apr. 19, 1996
Applicant:
Inventors:
Charles G Miller, Branford, CT (US);
John A Rolls, Armonk, NY (US);
Otis H Hastings, Mahwah, NJ (US);
Assignee:
Themion Systems International, Stratford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H / ; F27D / ;
U.S. Cl.
CPC ...
392458 ; 219385 ;
Abstract
A method is provided for heating the interior surface of a defined volume, such as the interior of a pipe or tank, to control the viscosity of a liquid contained within that volume. In the method, a laminated composite heater element, impermeable to water, is disposed on the surface of the receptacle, and is energized at prescribed intervals and temperatures effective to heat the interior surface of the volume.