CGC Patents

For over a century, USG and its subsidiaries such as CGC have led the industry in products, systems and processes to help revolutionize the way we build the places we play, work and live. USG Corporation's intellectual property portfolio is one of the largest in the industry and includes patents and patent applications throughout the world.

Products & Patents

Below are just a few of our products and the U.S. patents that cover them. For a more complete list of USG's U.S. patents and applications, and those of its subsidiaries, United States Gypsum Company and USG Interiors LLC, please reference the United States Patent and Trademark Office at www.uspto.gov.

Virtual patent making notice: USG also provides this list of patents in accordance with the virtual patent marking laws of the United States of America.

Product Patents
CGC Sheetrock® Brand UltraLight Gypsum Panels – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
U.S. 8, 197, 952
U.S. 8, 257, 489
CGC Sheetrock® Brand UltraLight Gypsum Panels Mold Tough – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
U.S. 8, 197, 952
U.S. 8, 257, 489
CGC Sheetrock® Brand UltraLight Gypsum Panels Firecode 30® – 5/8 inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
CGC Sheetrock® Brand UltraLight Gypsum Panels Firecode® X – 5/8 inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
U.S. 8, 323, 785
CGC Sheetrock® Brand Sag-Resistant Interior Ceiling Panels U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
CGC Sheetrock® Brand Gypsum Panels – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
CGC Sheetrock® Brand Mold Tough Gypsum Panels – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 6, 893, 752
U.S. 7, 811, 685
U.S. 8, 133, 600
U.S. 8, 142, 914
CGC Sheetrock® Brand MH Gypsum Panels – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914
CGC Sheetrock® Brand Imperial Gypsum Panels – ½ inch thickness U.S. 6, 342, 284
U.S. 6, 632, 550
U.S. 8, 142, 914