JOHN A BENVEGNU
Engineering in Spring, TX

License number
Massachusetts 27249
Issued Date
Nov 30, 1973
Expiration Date
Jun 30, 2000
Type
Civil Engineer
Address
Address
Spring, TX 77379

Professional information

John Benvegnu Photo 1

Adjustable Floating Roof Supports For Reduced Vapor Loss

US Patent:
5353941, Oct 11, 1994
Filed:
May 26, 1993
Appl. No.:
8/067233
Inventors:
John A. Benvegnu - Spring TX
Reginald E. Edwards - Houston TX
James M. Gleason - Horseheads NY
Joel D. McDaniel - Grant Park IL
Assignee:
Chicago Bridge & Iron Technical Services Company - Oak Brook IL
International Classification:
B65D 8840
US Classification:
220220
Abstract:
This invention relates to a floating roof support for a liquid storage tank that reduces the loss of vapor from the tank and that supports the roof in a low and a high position.