Patent 9114866 was granted and assigned to Google on August, 2015 by the United States Patent and Trademark Office.
A balloon with a generally tubular shaped balloon envelope. The tubular shaped balloon envelope may comprise a number of gores, where each gore is shaped with two elongated edges and two vertices. The vertices of each gore may be located at the top and bottom of the balloon envelope. The gore edges may be sealed together at adjacent edges to seal the balloon such that it is airtight.