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DUEPRO AG

Overview
  • Total Patents
    149
About

DUEPRO AG has a total of 149 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Germany, United States and France. Its main competitors in its focus markets furniture and games, machines and mechanical elements are ELECTRIC VACUUM CLEANER CO, CITIZENS TRUST COMPANY and LEWYT CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Woerwag Peter 58
#2 Worwag Peter 19
#3 Maier Siegfried 12
#4 Albrecht Eckart 7
#5 Jonischus Juergen 6
#6 Lude Ernst 6
#7 Melzner Edgar 5
#8 Worwag P 4
#9 Jonischus Jurgen 4
#10 Peter Worwag 3

Latest patents

Publication Filing date Title
DE102013105978A1 Suction nozzle for vacuum cleaner, has housing with suction holes which are formed on undersurface of housing, where intake connection is provided for suction of air from interior of housing
DE102010038026A1 Vacuum cleaner nozzle with magnetic lock
DE102010000352A1 Suction head for use in vacuum cleaner, has suction channel laterally separated from base plate via extending bars, and lid arranged at top face of extending bars and upwardly covering suction channel
DE102008056451A1 Vacuum cleaning tool for suction or cleaning device, consists of housing with rear connecting piece for coupling guiding rod for moving vacuum cleaning tool in working direction
DE102008010334A1 Suction nozzle for vacuum cleaner to clean e.g. carpet, has suction opening between outer ends of suction channel, and vacuum actuators engaged at brush holder and arranged on region of outer ends of suction channel in housing
DE102006040557A1 Vacuum cleaning tool and method for its operation
DE102005043848A1 Impeller for a floor surface
DE102005006424A1 Vacuum cleaning tool for a vacuum cleaning device, in particular hand nozzle
US2004123417A1 Vacuum cleaning tool having an air turbine with stabilizing air stream
DE10261313A1 Saugreinigungswerkzeug an air turbine and a stabilizing air flow
DE10110770A1 Vacuum cleaning tool with self-adjusting air turbine
WO0238024A1 Vacuum cleaner comprising a polishing attachment
DE10042672A1 Vacuum cleaning tool with throughflow turbine
DE10042665A1 Vacuum cleaning tool with a discharge ramp
DE10042669A1 Vacuum cleaning tool with injector air supply
DE10042671A1 Vacuum cleaning tool with pear-shaped turbine chamber
AU2108900A Vacuum cleaner comprising a pivotable cleaning roller
AU2292000A Vacuum cleaner comprising a dust collection chamber in the housing cover
WO9965376A1 Vacuum cleaning tool
DE19844810A1 Suction tube for upright vacuum cleaner