Inventor · Saint Johnsbury Center, VT, US

Edward Joseph Jenko

43Patents
12h-index
30Co-inventors
81Inventor score

Filing activity: Jun 23, 1994 → Jun 20, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5651998A Injection molding system for forming a multilayered molded article Performing Operations; Transporting 72 Expired
US5798069A Opposed gating injection method Performing Operations; Transporting 46 Expired
US6343925B1 Hot runner valve gate piston assembly Performing Operations; Transporting 38 Expired
US5789033A Injection molding apparatus having opposed injection means Performing Operations; Transporting 36 Expired
US6315549A Hot tip insulator retainer Performing Operations; Transporting 29 Expired
US6428305B2 Injection molding nozzle tip insulator and injection molding device Performing Operations; Transporting 28 Expired
US6043466A Hot runner heating clamp Electricity 28 Expired
US6220851A Detachable nozzle body Performing Operations; Transporting 26 Expired
US7241131B1 Thick film heater apparatus Emerging Cross-Sectional Technologies 25 Expired
US6135757A Valve gated injection molding system Performing Operations; Transporting 24 Expired
US5507637A Hot runner sliding nozzle Performing Operations; Transporting 18 Expired
US5499916A Rotary actuated gate valve Performing Operations; Transporting 14 Expired
US6561790B2 Sealing member in an injection molding machine Performing Operations; Transporting 11 Expired
US6555044B2 Hot runner valve gate piston assembly Performing Operations; Transporting 10 Expired
US5591366A Injection molding heater including circuit breaking means Electricity 10 Expired
US7287977B2 Hot runner manifold system Performing Operations; Transporting 9 Expired
US8100689B2 Safety connector for hot runner, having latch releasably interlocking valve stem with actuation plate Performing Operations; Transporting 9 Active
US6669462B1 Hot runner sealing apparatus Performing Operations; Transporting 9 Expired
US7467941B2 Dual piston valve stem actuator Performing Operations; Transporting 5 Active
US8678802B2 Hot-runner system having manifold assembly manufactured in accordance with free-form-fabrication Performing Operations; Transporting 5 Active
US8740598B2 Multi-property injection molding nozzle for a hot-runner system Performing Operations; Transporting 4 Active
US7771190B2 High pressure injection molding nozzle with low pressure manifold Performing Operations; Transporting 3 Active
US7165958B2 Apparatus for adjustable hot runner assembly seals and tip height using active material elements Performing Operations; Transporting 3 Expired
US7708551B2 Reconfigurable hot runner Performing Operations; Transporting 3 Active
US8535048B2 Hot-runner system having non-structurally supportive heat insulator including visible material Performing Operations; Transporting 2 Active

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