Inventor · Georgetown, ON, CA

Denis Babin

118Patents
16h-index
34Co-inventors
86Inventor score

Filing activity: Nov 30, 1987 → Apr 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7320589B2 Hot runner manifold plug for rheological balance in hot runner injection molding Performing Operations; Transporting 48 Expired
US5849343A Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member Performing Operations; Transporting 45 Expired
US6017209A Injection molding cooled gate insert Performing Operations; Transporting 35 Expired
US6394784B1 Compact cartridge hot runner nozzle Emerging Cross-Sectional Technologies 26 Expired
US5955121A Injection molding apparatus with insert secured through the manifold to a nozzle Performing Operations; Transporting 26 Expired
US6769901B2 Injection nozzle system for an injection molding machine Performing Operations; Transporting 25 Expired
US5935615A Injection molding apparatus having a melt bore through the front end of the pin Performing Operations; Transporting 24 Expired
US6789745B1 Injection nozzle system Performing Operations; Transporting 23 Expired
US6318990A Injection molding nozzle apparatus Performing Operations; Transporting 23 Expired
US5591465A Side gated injection molding apparatus with radially mounted gate inserts Performing Operations; Transporting 23 Expired
US6575731B1 Apparatus for distributing melt in a multi-level stack mold Performing Operations; Transporting 21 Expired
US6074191A Five layer injection molding apparatus having four position valve member actuating mechanism Performing Operations; Transporting 20 Expired
US7134868B2 Injection molding nozzle with wear-resistant tip having diamond-type coating Performing Operations; Transporting 20 Expired
US6440350B1 Apparatus and method for multi-layer injection molding Performing Operations; Transporting 20 Expired
US5002480A Injection molding insulated valve member Emerging Cross-Sectional Technologies 19 Expired
US6350401B1 Method of multi-layer injection molding Performing Operations; Transporting 17 Expired
US6270711A Injection molding apparatus having a melt bore through the front end of the pin Performing Operations; Transporting 16 Expired
US6655945B1 Apparatus and method for multi-layer injection molding Performing Operations; Transporting 16 Expired
US6348171B1 Drool control apparatus and method Performing Operations; Transporting 16 Expired
US6648622B1 Apparatus and method for multi-layer injection molding Performing Operations; Transporting 15 Expired
US5935616A Injection molding apparatus having inter-manifold melt transfer bushings Performing Operations; Transporting 15 Expired
US4771534A Method of manufacture of injection molding nozzle electrical terminal Emerging Cross-Sectional Technologies 15 Expired
US6869276B2 Nozzle seal for an injection molding apparatus Performing Operations; Transporting 14 Expired
US6921259B2 Valve pin guide for a valve-gated nozzle Performing Operations; Transporting 14 Expired
US6860732B2 Thermal seal between manifold and nozzle Performing Operations; Transporting 13 Expired

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