Inventor · Candia, NH, US

Keith Barker

20Patents
6h-index
15Co-inventors
62Inventor score

Filing activity: Apr 12, 2002 → Oct 18, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7033656B2 Graded crystallization of container finishes Emerging Cross-Sectional Technologies 19 Expired
US8097662B2 Enhanced oxygen-scavenging polymers, and packaging made therefrom Emerging Cross-Sectional Technologies 12 Active
US7651644B2 Controlling delivery of polymer material in a sequential injection molding process Performing Operations; Transporting 9 Active
US8309622B2 Enhanced oxygen-scavenging polymers, and packaging made therefrom Emerging Cross-Sectional Technologies 8 Active
US7572123B2 Apparatus for stretching and crystallizing the neck finish of a molded plastic article Emerging Cross-Sectional Technologies 7 Active
US6884382B2 Stretched container threads and method of manufacture Emerging Cross-Sectional Technologies 7 Expired
US7892462B2 Controlling delivery of polymer material in a sequential injection molding process Performing Operations; Transporting 3 Active
US9022776B2 Deep grip mechanism within blow mold hanger and related methods and bottles Performing Operations; Transporting 2 Active
US7138082B2 Swage-forming of container threads Emerging Cross-Sectional Technologies 2 Expired
US8118581B2 Injection molding apparatus for delivering multiple shots of materials to a plurality of mold cavities Performing Operations; Transporting 1 Active
US7604769B2 Method of manufacture of a plastic container with stretched external thread Emerging Cross-Sectional Technologies 1 Active
US10301102B2 Plastic aerosol container and method of manufacture Emerging Cross-Sectional Technologies 0 Active
US7485252B2 Method and apparatus for crystallizing the neck finish of a molded plastic article Emerging Cross-Sectional Technologies 0 Active
US9254937B2 Deep grip mechanism for blow mold and related methods and bottles Performing Operations; Transporting 0 Active
US9993959B2 Deep grip mechanism for blow mold and related methods and bottles Performing Operations; Transporting 0 Active
US8012396B2 Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article Emerging Cross-Sectional Technologies 0 Active
US8226397B2 Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article Emerging Cross-Sectional Technologies 0 Active
US7303796B2 Preform assembly, container assembly and method of manufacture Emerging Cross-Sectional Technologies 0 Expired
US9346212B2 Deep grip mechanism within blow mold hanger and related methods and bottles Performing Operations; Transporting 0 Active
US10773875B2 Method of making a plastic aerosol container assembly Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.