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HEMSCHEIDT MASCHF HERMANN

Overview
  • Total Patents
    735
About

HEMSCHEIDT MASCHF HERMANN has a total of 735 patent applications. Its first patent ever was published in 1907. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets civil engineering, mechanical elements and machines are ANCIENS ETABLISSEMENTS GOLDENB, HEILIGER MARTHA CATHARINA and CHARCON TUNNELS LTD.

Patent filings per year

Chart showing HEMSCHEIDT MASCHF HERMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krieger Karl 98
#2 Welzel Josef 76
#3 Zenz Wilhelm 70
#4 Maykemper Alfred 60
#5 Reinelt Werner 48
#6 Buell Hans 42
#7 Geuns Guy 27
#8 Runkel Walter Dipl Ing Dr 25
#9 Reinelt Werner Ing Grad 20
#10 Reinelt Werner Ing 17

Latest patents

Publication Filing date Title
DE4330086C1 Hydraulic shield-type powered support assembly for a hydraulic stowing face
DE4328319A1 Cylinder-piston unit for a hydropneumatic suspension
DE4314021A1 Suspension system for motor vehicles and damping valve
DE4311887C1 Main controller for hydraulic walking walling frame
DE4243289C1 Control unit for hydraulic walking walling frame - has multiple hoses connected to block containing pilot-controlled selector valves and direct connections between hoses and consumer units
DE4242534A1 Hydraulic suspension system for vehicle
DE4237360C1 Cylinder system for injection mould plasticator screw
DE4232555A1 Hot gas engine with external combustion and enclosed circuit - has heater consisting of pipe coil directly located above cylinder used in axial direction
DE4223489A1 Screw coupling device for an injection molding machine
DE4221126A1 Hydropneumatic suspension system
BR9202041A Elastic suspension system and damping valve
DE4211340A1 Process for mining coal seams to swing the strut
DE4207471C1 Hydraulic step extension frame - has return cylinder arranged in guide frame with two horizontal runners connected by transversal yoke
DE4202072A1 Ball and socket joint for hydraulic ram swivel mounting - has two fluid ducts into ball joint with axially compensated thrust forces.
DE4142165A1 Procedure for aligning the mining front when mining coal by cutting
DE4131750A1 Planing alley spraying system
DE4129773A1 Spring system for wheel support on motor vehicles
DE4129819A1 Spring system for wheel support on motor vehicles
DE4129774A1 Pressure compensated switch valve for hydraulic media - is very compact with drive element compensated in itself independently of operating rod
DE4127801A1 HYDROPNEUMATIC SUSPENSION SYSTEM FOR A VEHICLE LIFT AXLE