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DUEWAG AG

Overview
  • Total Patents
    208
About

DUEWAG AG has a total of 208 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany, EPO (European Patent Office) and Denmark. Its main competitors in its focus markets transport, environmental technology and mechanical elements are COLEMAN JAMES M, PULLMAN STANDARD INC and KADEL BYERS W.

Patent filings per year

Chart showing DUEWAG AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Braun Otto 21
#2 Jochims Paul 16
#3 Brand Werner 13
#4 Hofmann Lothar 13
#5 Lohmann Heinz 12
#6 Giesen Ulrich 12
#7 Schoof Claus-Georg 11
#8 Ippers Reinhold 9
#9 Thauer Dietmar 9
#10 Mueller Hubert 9

Latest patents

Publication Filing date Title
DE19910205A1 Fixing unit for fitting out rail vehicles or buses, e.g. for fixing partitions and grip bars
DE19849919A1 Active semiconductor module
EP0894689A1 Sanding device, especially for railway vehicles
DE19829795A1 Connection of components made of the same or different materials
DE19810697A1 Longitudinal force transmission device for running gear of a locomotive
DE19803299A1 Car body of a large-scale vehicle, in particular a rail vehicle
DE19801691A1 Passenger table, in particular for rail vehicles
DE19756439A1 Car body of a rail vehicle
DE19746795A1 Inner trim for roof area of large-bodied passenger carrying vehicle
DE19746794A1 Connection of car body and chassis of a rail vehicle, in particular a low-floor vehicle
DE19737984A1 Filling system for sand supply container inside rail vehicle
DE19736910A1 Car body of a rail vehicle
DE19732349A1 Sanding device for use on rail vehicle
DE19728432A1 Sand spreading device, especially for rail vehicles
DE19726516A1 Buffers for rail vehicles
DE19723740A1 Vehicle superstructure with doors
DE19711036A1 Rail vehicle, especially low-floor light rail vehicles
DE19711060A1 Arrangement for generating air curtains at door openings, in particular for local vehicles
DE19649042A1 Throttle control rod of locomotive diesel engine
DE19649041A1 Car body of a rail vehicle