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BOY GMBH DR

Overview
  • Total Patents
    32
About

BOY GMBH DR has a total of 32 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, mechanical elements and environmental technology are MANCEAU MARCEL, ZHEJIANG GOLDEN EAGLE PLASTIC MACHINERY CO LTD and HWA CHIN MACHINERY FACTORY CO.

Patent filings per year

Chart showing BOY GMBH DRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schiffer Alfred 7
#2 Klein Heinz Hermann 4
#3 Klein Heinz 4
#4 Filippi Werner 4
#5 Ludwig Franz Josef 3
#6 Loehl Ruediger 2
#7 Jamann H 1
#8 Klein Heinz H 1
#9 Roehrig Axel 1
#10 Shiffer Alfred 1

Latest patents

Publication Filing date Title
DE19926566A1 Hydraulic drive closing mold of injection molding machine, employs piston in pressure converter as main stage of proportional valve
DE19848681A1 Ejector for an injection molding machine
DE19809666C1 Hydraulic mold closure unit for pressure injection molding machine
DE19801412A1 Plasticizing and injection unit for an injection molding machine
DE19621907A1 Hydraulic drive system for controlling several power units, especially of injection moulding machine
DE19621904A1 Process for the energy-saving operation of an injection molding machine
DE19621905C1 Hydraulic system for intermittent operation of variable displacement pump
DE19523420C1 Injection moulding machine tool closure system with hydraulic pressure transmission unit
DE4315902A1 Control unit for an injection molding machine
DE4204537A1 Screw design for injection moulding machine - comprises screw tip firmly fixed to screw and axially movable shut=off ring which rests on annular section at rear end of tip vanes
DE4142830A1 Closing unit for injection molding machines and method for adjusting the parallelism of the clamping unit clamping surfaces
DE4100539A1 HYDRAULIC DRIVE FOR A MOLDING UNIT OF AN INJECTION MOLDING MACHINE
DE3836986A1 Injection molding machine with injection mold centering device
DE3220707A1 Nozzle for injection moulding machines
GB2016428A Plasticising cylinder for a plastics moulding machine
DE2834895A1 HYDRAULIC MOLDING LOCKING DEVICE FOR INJECTION MOLDING MACHINES