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. 08, 1998
Filed:
May. 29, 1997
Applicant:
Inventor:
Bernard C Corrigan, Des Plaines, IL (US);
Assignee:
Vapor Corporation, Niles, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D / ; F22B / ;
U.S. Cl.
CPC ...
1222091 ; 165163 ;
Abstract
A fluid carrying coil for compact fluid heater utilizing dual lengths of metallic tubing wound in a bifilar manner to establish fluid flow internal of each tubing length such that when terminated from the coil outer periphery flow in the coil portion of each tubing length is in opposition. The bifilar design provides coil termination at the coil outer periphery.