Engine exhaust treatment device housing

- Caterpillar Inc.
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Description

FIG. 1 is a perspective view of an engine exhaust treatment device housing of our design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The broken line showing of a portion of an engine exhaust treatment device housing is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

Claims

The ornamental design for an engine exhaust treatment device housing, as shown and described.

Referenced Cited
U.S. Patent Documents
3852042 December 1974 Wagner
6712869 March 30, 2004 Cheng et al.
6887294 May 3, 2005 Kanematsu
Other references
  • Thiesel 2002 Conference on Thermo- and Fluid-Dynamic Processes in Diesel Engines, “An Integrated Approach for the Design of Diesel Engine Exhaust Systems to meeting Euro 4 and beyond Emissions Legislations,” pp. 1-15.
  • Photos of exhaust treatment arrangements displayed by a non-Caterpillar companies at the Mid-America Trucking Show on Mar. 22, 2007 in Louisville, Kentucky (4 sheets).
Patent History
Patent number: D590419
Type: Grant
Filed: Mar 6, 2008
Date of Patent: Apr 14, 2009
Assignee: Caterpillar Inc. (Peoria, IL)
Inventors: Ryan M. Duffek (Dunlap, IL), Thomas V. Staley (Peoria, IL), Richard A. Crandell (Peoria, IL)
Primary Examiner: Lisa P Lichtenstein
Application Number: 29/301,554
Classifications
Current U.S. Class: Element Or Attachment (D15/5)