Inventor · Willowdale, NS, CA

Herbert Rees

35Patents
20h-index
17Co-inventors
82Inventor score

Filing activity: Dec 18, 1972 → Jul 20, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4460534A Two-shot injection molding Electricity 214 Expired
US4173448A Actuating mechanism for gate valve of injection nozzle Performing Operations; Transporting 76 Expired
US4841686A Rain gutter assembly Fixed Constructions 62 Expired
US4243362A Composite molding apparatus for articles from two materials having a rotary mold block which includes pins for providing core areas Performing Operations; Transporting 59 Expired
US4268240A Actuating mechanism for gate valve of injection nozzle Performing Operations; Transporting 58 Expired
US4729732A Carrying means for holding and cooling a parison Emerging Cross-Sectional Technologies 57 Expired
US4330257A Turret-type injection-molding machine Performing Operations; Transporting 47 Expired
US4268241A Heated injection nozzle Performing Operations; Transporting 47 Expired
US4690633A Apparatus for preparing hollow plastic articles Performing Operations; Transporting 47 Expired
US4085178A Method for producing injection molded and centrally apertured disc records Emerging Cross-Sectional Technologies 37 Expired
US4209290A Bottle-molding system Performing Operations; Transporting 32 Expired
US4368018A Transporter for injection-molded parts or inserts therefor Performing Operations; Transporting 26 Expired
US4017236A Mold-clamping mechanism for injection-molding machine Emerging Cross-Sectional Technologies 26 Expired
US4118168A Guidance system for shallow articles discharged from a mold cavity Emerging Cross-Sectional Technologies 24 Expired
US4522581A System for handling partly finished workpieces Performing Operations; Transporting 24 Expired
US3973892A Injection-molding machine with transverse feed Performing Operations; Transporting 23 Expired
US6852268B1 Process for preparing a molded article Emerging Cross-Sectional Technologies 23 Expired
US4197073A Combined injection-molding and blow-molding plant Performing Operations; Transporting 23 Expired
US4230442A Mold-clamping mechanism for injection-molding machine Performing Operations; Transporting 21 Expired
US5947315A Two piece container closure assembly with frangible inner closure Performing Operations; Transporting 20 Expired
US6132669A Process for preparing a molded article Emerging Cross-Sectional Technologies 20 Expired
US3989436A Apparatus for producing injection molded and centrally apertured disc records Emerging Cross-Sectional Technologies 19 Expired
US3938675A Pairing and stacking system for molded articles Emerging Cross-Sectional Technologies 18 Expired
US4793960A Process for preparing hollow plastic articles Performing Operations; Transporting 18 Expired
US4272236A Injection nozzle provided with shut-off means Performing Operations; Transporting 16 Expired

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