Single baffle tile for fixed heater for oil refineries

- Amoco Corporation
Description

FIG. 1 is a front and left side perspective view of a single baffle tile for fixed heater 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.
D253968 January 15, 1980 Bogan
D256158 July 29, 1980 Ward
D261031 September 29, 1981 Ward
D273998 May 22, 1984 Ballantine
1422551 July 1922 Fletcher
2706109 April 1955 dman
3593348 July 1971 Toerge
4367142 January 4, 1983 Blecher
4565044 January 21, 1986 Takahara
4712340 December 15, 1987 Sogge
Foreign Patent Documents
676695 1929 FRX
2136472 September 1984 GBX
Patent History
Patent number: D320848
Type: Grant
Filed: Jun 17, 1988
Date of Patent: Oct 15, 1991
Assignee: Amoco Corporation (Chicago, IL)
Inventors: Ronald L. Cutshall (Chicago Heights, IL), Frank L. Groenewold (South Holland, IL), Martin F. Brennan (Calumet City, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorneys: Thomas W. Tolpin, William H. Magidson, Ralph C. Medhurst
Application Number: 7/208,397
Classifications