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. 09, 2001
Filed:
Apr. 16, 1998
Applicant:
Inventor:
James C. Hlebovy, Chardon, OH (US);
Assignee:
Essef Corporation, Chardon, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 1/500 ;
U.S. Cl.
CPC ...
B23P 1/500 ;
Abstract
A seamless plastic pressure vessel having a heat exchanger encased therein is disclosed. The pressure vessel is a unitary seamless wall and the wall surrounds a heat exchanger unit comprising a length of hollow tubing having ends retained in a mounting fitting. The pressure vessel may be formed by a rotational casting or blow molding technique.