Double baffle tile for furnace for oil refineries

- Amoco Corporation
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Description

FIG. 1 is a front and left side perspective view of a double baffle tile for furnace for oil refineries, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof; and

FIG. 7 is a right side elevation view thereof.

Referenced Cited
U.S. Patent Documents
58660 August 1921 Clouser et al.
D159255 July 1950 Decker, Sr. et al.
D256158 July 29, 1980 Ward
D261031 September 29, 1981 Ward
1163034 December 1915 Phippen
2706109 April 1955 dman
3132447 May 1964 Hosbein
3498015 March 1970 Seaburg et al.
4445802 May 1, 1984 Loov
4565044 January 21, 1986 Takahara
Foreign Patent Documents
2136472 September 1984 GBX
2143556 February 1985 GBX
Patent History
Patent number: D318527
Type: Grant
Filed: Jun 17, 1988
Date of Patent: Jul 23, 1991
Assignee: Amoco Corporation (Chicago, IL)
Inventors: Frank L. Groenewold (South Holland, IL), Martin F. Brennan (Calumet City, IL), Ronald L. Cutshall (Chicago Heights, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorneys: Thomas W. Tolpin, William H. Magidson, Ralph C. Medhurst
Application Number: 7/208,396