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O & K ROLLTREPPEN GMBH

Overview
  • Total Patents
    89
About

O & K ROLLTREPPEN GMBH has a total of 89 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets packaging and shipping, mechanical elements and environmental technology are FINSCHI LUKAS, HITACHI ELEVATOR CHINA CO LTD and FUJITEC KK.

Patent filings per year

Chart showing O & K ROLLTREPPEN GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoefling Peter 20
#2 Brunn Erik 15
#3 Lange Dirk 13
#4 Thiel Alfred 12
#5 Schoeneweiss Klaus 11
#6 Tautz Andreas 11
#7 Maletzki Christian 9
#8 Knoop Eckhard 7
#9 Behle Fritz 7
#10 Wilke Hermann 6

Latest patents

Publication Filing date Title
DE19849238C1 Safety cut-out method for escalator or moving walkway has safety fault signals provided by safety chain combined with drive monitoring signals for operation of drive cut-out contacts
DE19838901A1 Glass balustrade for a passenger conveyor system
DE19829325C1 Actuating device for drive elements of a passenger conveyor system
DE19829326C1 Handrail drive for travelator or escalator
DE19803899A1 Process for braking escalators or moving walks and braking device for escalators or moving walks
DE19754141A1 Safety device for escalators and moving walks
DE19723897A1 Safety device for passenger conveyor systems
US6129442A Lighting device for systems used for conveying people
DE19634668A1 Hydraulic tensioning system for passenger conveyor systems, especially for escalators and moving walks
DE19617519A1 Adjusting system for drive-guide system for person conveying unit e.g. elevator
DE19608169C1 Fixture device for steps and pallets of escalators etc.
DE19606317A1 Safety device for escalators
DE19546937A1 Lighting device for passenger conveyors
DE19541410A1 Standby switchgear for passenger conveyor systems
DE19539796A1 Safety device for passenger conveyor systems
WO9521788A1 Helical escalator
DE4438741A1 Operating device for escalators and moving walks
US5775477A Drive system for curved escalator
DE4336320C1 Drive system for a curved escalator
DE4334064A1 Drive system for escalators and moving walks