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DOWALDWERKE ADOLPH DOWALD G M

Overview
  • Total Patents
    21
About

DOWALDWERKE ADOLPH DOWALD G M has a total of 21 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany and France. Its main competitors in its focus markets civil engineering and transport are BALLAN S P A, BLASI GMBH AUTOMATISCHE TUERAN and CELIKFORM GESTAMP OTOMOTIV ANONIM SIRKETI.

Patent filings in countries

World map showing DOWALDWERKE ADOLPH DOWALD G Ms patent filings in countries
# Country Total Patents
#1 Germany 19
#2 France 2

Patent filings per year

Chart showing DOWALDWERKE ADOLPH DOWALD G Ms patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
DE694997C Sliding door hangers for railroad cars, motor vehicles or the like.
DE673196C Sliding door with at least one carrying and one supporting roller having roller guides
DE701556C Device to prevent unintentional opening of doors
DE609366C Hangers for sliding doors
DE598356C Device for regulating the height of sliding doors
DE592893C windshield wipers
DE577673C Locking device for sliding doors or the like.
DE582892C Coupling for double folding doors
DE597127C Rack coupling for sliding doors running in opposite directions
DE564225C Door drive and control for double sliding doors
DE559535C Door coupling for sliding multi-leaf doors and folding doors
DE561090C Device for optional opening and closing of doors on different levels
DE457596C Hangers for sliding doors with only one roller and two guide rollers
DE591273C Sliding door
DE471349C Two-part sliding door
DE644987C Window or the like that can be raised and lowered by crank drive and spindle.
DE533907C Adjustable hanger for sliding door guides
DE541970C Hangers for sliding doors
DE434903C The roller housing for sliding doors and other loads can be adjusted in height by means of differential thread