Patent assignee · US · COMPANY

PCC Airfoils, Inc.

54Patents
13Active
54Granted
40Portfolio score

Filing activity: Apr 21, 1986 → Sep 16, 2014 · 9 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5853044A Method of casting an article Performing Operations; Transporting 43 Expired
US5332537A Method and binder for use in powder molding Performing Operations; Transporting 31 Expired
US4774992A Apparatus and method for use in casting a plurality of articles Performing Operations; Transporting 28 Expired
US5072771A Method and apparatus for casting a metal article Performing Operations; Transporting 25 Expired
US5062469A Mold and method for casting a single crystal metal article Chemistry; Metallurgy 24 Expired
US4987944A Method of making a turbine engine component Emerging Cross-Sectional Technologies 24 Expired
US5062468A Mold and method for casting a single crystal metal article Chemistry; Metallurgy 22 Expired
US5623985A Apparatus and method for molding an article Performing Operations; Transporting 22 Expired
US4947927A Method of casting a reactive metal against a surface formed from an improved slurry containing yttria Chemistry; Metallurgy 22 Expired
US4969501A Method and apparatus for use during casting Performing Operations; Transporting 21 Expired
US5069265A Method of making a turbine engine component Emerging Cross-Sectional Technologies 20 Expired
US5580837A Ceramic material for use in casting reactive metals Chemistry; Metallurgy 19 Expired
US5404930A Method and apparatus for casting an airfoil Performing Operations; Transporting 17 Expired
US4862947A Method of casting an article Chemistry; Metallurgy 17 Expired
US4809764A Method of casting a metal article Performing Operations; Transporting 15 Expired
US4961459A Method of making an improved turbine engine component Performing Operations; Transporting 15 Expired
US5221336A Method of casting a reactive metal against a surface formed from an improved slurry containing yttria Performing Operations; Transporting 15 Expired
US4955423A Method of making a turbine engine component Emerging Cross-Sectional Technologies 14 Expired
US5358029A Method and apparatus for use in predicting flow of fluid through passages in a proposed airfoil Emerging Cross-Sectional Technologies 13 Expired
US4905752A Method of casting a metal article Performing Operations; Transporting 13 Expired
US4773467A Method and apparatus for casting articles Performing Operations; Transporting 12 Expired
US6035924A Method of casting a metal article Performing Operations; Transporting 12 Expired
US7913743B2 Method of forming a pattern Performing Operations; Transporting 12 Active
US4940073A Mold for casting a single crystal metal article Chemistry; Metallurgy 12 Expired
US4763716A Apparatus and method for use in casting articles Performing Operations; Transporting 11 Expired

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