All the technology in this website is in the public domain, except Sections 15, 31, and 32. These patents by Day Chahroudi are presented because, unlike most patents, they intend to elucidate rather than obscure the technology they describe. Between them and Section 28, these instructive patents cover in detail the range of Suntek technology. "Success has many fathers, failure none," but the first patent below is the first to describe and claim Low-E. See column 4, lines 35-50, and claim 4.
To view a U.S. patent or application, go to uspto.gov, click "search patents", click "issued patents", put patent number in "patent number search" box; or for patent applications, put application number in "publication number search" box. To view the figures in these patents or applications, click "images", then click "drawings".
LOW-E, CLOUD GEL, AND WEATHER PANEL:
U.S. Patent 3,953,110; Filed May 20, 1974
U.S. Patent 5,524,381; Filed March 19, 1991; PCT/US93/05173
CLOUD GEL IN PLASIC FILM: MATERIALS, PRODUCTION PROCESSES AND MACHINERY:
U.S. Patent 5,377,042; Filed December 20, 1993; PCT/US91/05055
CLOUD GEL IN GLASS: MATERIALS, PRODUCTION PROCESSES AND MACHINERY:
U.S. Patent 7,800,808; Filed October 11, 2005; PCT/US2004/010979