https://patentbrief.org/company/pilkington-brothers-ltd Plain-English explanations of patents assigned to Pilkington Brothers Ltd, newest first. en-us Sat, 13 Jun 2026 10:14:10 GMT https://patentbrief.org/patent/us/2911759/float-glass-pilkington This 1954 patent describes the float glass process, a method for creating high-quality, perfectly flat glass by floating molten glass on a bath of liquid metal. Tue, 10 Nov 1959 00:00:00 GMT https://patentbrief.org/patent/us/2911759/float-glass-pilkington