Patent assignee · US · COMPANY

Corning Glass Works

1,183Patents
0Active
1,183Granted
47Portfolio score

Filing activity: Mar 18, 1968 → Jan 19, 1990

Most-cited patents

PatentTitleAreaCited byStatus
US4098876A Reverse sandwich immunoassay Emerging Cross-Sectional Technologies 454 Expired
US4314559A Nonstick conductive coating Human Necessities 446 Expired
US4232676A Surgical cutting instrument Human Necessities 413 Expired
US4248231A Surgical cutting instrument Human Necessities 332 Expired
US4329162A Diesel particulate trap Emerging Cross-Sectional Technologies 328 Expired
US4214886A Forming laminated sheet glass Chemistry; Metallurgy 238 Expired
US3931438A Differential densification strengthening of glass-ceramics Emerging Cross-Sectional Technologies 198 Expired
US3973977A Making spinel and aluminum-base metal cermet Chemistry; Metallurgy 188 Expired
US4417908A Honeycomb filter and method of making it Emerging Cross-Sectional Technologies 164 Expired
US4102664A Method for making glass articles with defect-free surfaces Chemistry; Metallurgy 161 Expired
US4437969A Offset-gate chemical-sensitive field-effect transistors (OG-CHEMFETS) with electrolytically-programmable selectivity Emerging Cross-Sectional Technologies 135 Expired
US3940276A Spinel and aluminum-base metal cermet Chemistry; Metallurgy 131 Expired
US4268134A Lightweight laminated photochromic lenses Physics 125 Expired
US4261706A Method of manufacturing connected particles of uniform size and shape with a backing Chemistry; Metallurgy 119 Expired
US4443866A Automatic device selection circuit Physics 118 Expired
US4715679A Low dispersion, low-loss single-mode optical waveguide Physics 113 Expired
US4420316A Filter apparatus and method of making it Emerging Cross-Sectional Technologies 112 Expired
US4416676A Honeycomb filter and method of making it Emerging Cross-Sectional Technologies 102 Expired
US4046699A Access device for centrifugal separation assemblies Physics 100 Expired
US4190535A Means for separating lymphocytes and monocytes from anticoagulated blood Physics 99 Expired
US4537612A Colored photochromic glasses and method Chemistry; Metallurgy 97 Expired
US4483700A Chemical strengthening method Chemistry; Metallurgy 91 Expired
US4758272A Porous metal bodies Emerging Cross-Sectional Technologies 89 Expired
US3933454A Method of making optical waveguides Emerging Cross-Sectional Technologies 86 Expired
US4246207A Method for casting glass-plastic lenses comprising allyl diglycol carbonate plastic Emerging Cross-Sectional Technologies 85 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.