Heat exchanger
United States Patent D767107

Stephens, Phillip (Assonet, MA, US)
Jenne, Justin (New Bedford, MA, US)
Application Number:
Publication Date:
Filing Date:
HTP, Inc. (East Freetown, MA, US)
Primary Class:
International Classes:
(IPC1-7): 2303
Field of Search:
D23/314, D23/323, D23/330, D23/386, D23/499, 165/181, 165/121, 165/166, 165/167, 165/170, 165/150, 165/151, 165/182, 165/172, 122/18.3, 122/130.1, 122/17.1, 122/18.1
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US Patent References:
8985999Fuel/air furnace mixerMarch, 2015Sherrow et al.431/12
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20130067905Heat Exchanger for EngineMarch, 2013Eckert60/508
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20120247444Gas-Fired Furnace and Intake Manifold for Low NOx ApplicationsOctober, 2012Sherrow et al.126/116R
20110041781COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEMFebruary, 2011Deivasigamani et al.122/18.1
20100112502Recuperator burner having flattened heat exchanger pipesMay, 2010Wunning et al.431/215
20080216772HIGH EFFICIENCY WATER HEATERSeptember, 2008Gordon et al.122/18.3
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20030209345Tube-in-tube repairable heat exchanger with cross flowNovember, 2003Zweig165/154
6622660Blower mixing teeSeptember, 2003Bajic et al.122/13.01
6432174Induced natural convection thermal cycling deviceAugust, 2002Heung95/289
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4920926Waste heat boiler for cooling of partial oxidation crude gasMay, 1990Linke et al.122/379
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4706646Total counterflow heat exchangerNovember, 1987Christianson et al.126/117

Primary Examiner:
Nelson, Chase T.
Assistant Examiner:
Aman, Ania
Attorney, Agent or Firm:
Adler Pollock & Sheehan P.C.
Holmander, Esq. Daniel J.
Chaclas, Esq. George N.

1. The ornamental design for a heat exchanger, as shown and described.


FIG. 1 is a perspective view of the heat exchanger;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design. The broken lines shown in the drawings are for the purpose of illustrating portions of the article that form no part of the claimed design.