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:
Mar. 06, 2018
Filed:
Jul. 12, 2010
Donald N. Zimmer, Marshalltown, IA (US);
Floyd E. Cherington, Carrollton, TX (US);
Randy D. Smith, Marshalltown, IA (US);
Donald N. Zimmer, Marshalltown, IA (US);
Floyd E. Cherington, Carrollton, TX (US);
Randy D. Smith, Marshalltown, IA (US);
Lennox Industries Inc., Richardson, TX (US);
Abstract
A furnace heat exchanger assembly includes first and second heat exchanger halves. The first heat exchanger half includes a first half of an exhaust channel and an inner joint flange half at an end thereof. The second heat exchanger half includes a second half of the exhaust channel and an outer joint flange half at an end thereof having first and second capturing tabs. The first and second heat exchanger halves are coupled together such that the first and second capturing tabs substantially overlap the inner joint flange half to form a joint flange.