DUPRO AG

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Romanshorn, CH

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum cleaning tool and method for its operation
- Patent number 7,941,893
- Issue date May 17, 2011
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool having an exchangeable attachment
- Patent number 7,316,050
- Issue date Jan 8, 2008
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cleaning tool with rotatably driven working tool
- Patent number 7,246,408
- Issue date Jul 24, 2007
- Düpro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool having an air turbine with stabilizing air stream
- Patent number 7,246,410
- Issue date Jul 24, 2007
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool with rotating brush roller
- Patent number 6,813,809
- Issue date Nov 9, 2004
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool with direct flow turbine
- Patent number 6,615,445
- Issue date Sep 9, 2003
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool with exchangeable vacuum shoes
- Patent number 6,550,099
- Issue date Apr 22, 2003
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool with pear-shaped turbine chamber
- Patent number 6,484,356
- Issue date Nov 26, 2002
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool with an outlet ramp
- Patent number 6,477,735
- Issue date Nov 12, 2002
- Düpro AG
- Peter Wörwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool
- Patent number D457696
- Issue date May 21, 2002
- Düpro AG
- Peter Wörwag
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Vacuum cleaner head
- Patent number 6,151,752
- Issue date Nov 28, 2000
- Dupro AG
- Edgar Melzner
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaning tool having a brush roller that can be pivoted out
- Patent number 6,134,745
- Issue date Oct 24, 2000
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum turbobrush
- Patent number D427398
- Issue date Jun 27, 2000
- Dupro AG
- Peter Worwag
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Manual turbobrush
- Patent number D424260
- Issue date May 2, 2000
- Dupro AG
- Peter Worwag
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Vacuum cleaning tool for a vacuum cleaning apparatus
- Patent number 5,950,275
- Issue date Sep 14, 1999
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Suction nozzle coupling having rotatably mounted therein a connecto...
- Patent number 5,039,133
- Issue date Aug 13, 1991
- Dupro AG
- Eckart Albrecht
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Adjustment mechanism for a friction drive unit
- Patent number 5,035,154
- Issue date Jul 30, 1991
- Dupro AG
- Jurgen Jonischus
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Suction nozzle, with a brush, for a vacuum cleaner
- Patent number 5,014,386
- Issue date May 14, 1991
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Multi-purpose suction nozzle
- Patent number 5,008,973
- Issue date Apr 23, 1991
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner nozzle
- Patent number D312904
- Issue date Dec 11, 1990
- Dupro AG
- Peter Worwag
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Brush-type suction nozzle
- Patent number D306789
- Issue date Mar 20, 1990
- Dupro AG
- Peter Worwag
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Vacuum conduit arrangement for a central dust-collecting system
- Patent number 4,827,558
- Issue date May 9, 1989
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum-cleaning apparatus
- Patent number 4,776,059
- Issue date Oct 11, 1988
- Dupro AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Method and apparatus for humidifying and purifying the air of a room
- Patent number 4,749,389
- Issue date Jun 7, 1988
- Dupro AG
- Peter Worwag
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Top portion for a canister-type suction apparatus
- Patent number D283066
- Issue date Mar 18, 1986
- Dupro AG
- Siegfried Maier
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Top portion for a canister-type suction apparatus
- Patent number D283065
- Issue date Mar 18, 1986
- Dupro AG
- Siegfried Maier
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Cleaning apparatus
- Patent number 4,537,424
- Issue date Aug 27, 1985
- Dupro AG
- Siegfried Maier
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Suction device for cleaning textile floor coverings
- Patent number 4,517,705
- Issue date May 21, 1985
- Dupro AG
- Nikolaus Hug
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner
- Patent number D277325
- Issue date Jan 22, 1985
- Dupro AG
- Niklaus Hug
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Speed control circuit for electric motor
- Patent number 4,394,606
- Issue date Jul 19, 1983
- Dupro A.G.
- Peter Woerwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum Cleaning Tool and Method for Its Operation
- Publication number 20080053479
- Publication date Mar 6, 2008
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Wheel for a Floor Surface
- Publication number 20070056667
- Publication date Mar 15, 2007
- DUPRO AG
- Peter Worwag
- B60 - VEHICLES IN GENERAL
Information Patent Application
Vacuum Cleaning Tool, Especially Hand-Held Nozzle, for a Vacuum Cle...
- Publication number 20060179606
- Publication date Aug 17, 2006
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Cleaning Tool for Floor Surfaces Having an Illumination Element for...
- Publication number 20050115014
- Publication date Jun 2, 2005
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum Cleaning Tool Having An Air Turbine with Stabilizing Air Stream
- Publication number 20040123417
- Publication date Jul 1, 2004
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Cleaning Tool with Rotatably Driven Working Tool
- Publication number 20040103497
- Publication date Jun 3, 2004
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum Cleaning Tool Having an Exchangeable Attachment
- Publication number 20040103496
- Publication date Jun 3, 2004
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Cleaning device for smooth floor surfaces
- Publication number 20020124334
- Publication date Sep 12, 2002
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaning tool with rotating brush roller
- Publication number 20020120999
- Publication date Sep 5, 2002
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaning tool with direct flow turbine
- Publication number 20020042967
- Publication date Apr 18, 2002
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaning tool with an outlet ramp
- Publication number 20020042968
- Publication date Apr 18, 2002
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaning tool with pear-shaped turbine chamber
- Publication number 20020042966
- Publication date Apr 18, 2002
- DUPRO AG
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaning tool
- Publication number 20010008036
- Publication date Jul 19, 2001
- DUPRO AG, Industriestrasse 6, CH-8509 Romanshorn, Switzerland
- Peter Worwag
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Organization

Patents Grantslast 30 patents

Vacuum cleaning tool and method for its operation

Vacuum cleaning tool having an exchangeable attachment

Cleaning tool with rotatably driven working tool

Vacuum cleaning tool having an air turbine with stabilizing air stream

Vacuum cleaning tool with rotating brush roller

Vacuum cleaning tool with direct flow turbine

Vacuum cleaning tool with exchangeable vacuum shoes

Vacuum cleaning tool with pear-shaped turbine chamber

Vacuum cleaning tool with an outlet ramp

Vacuum cleaning tool

Vacuum cleaner head

Vacuum cleaning tool having a brush roller that can be pivoted out

Vacuum turbobrush

Manual turbobrush

Vacuum cleaning tool for a vacuum cleaning apparatus

Suction nozzle coupling having rotatably mounted therein a connecto...

Adjustment mechanism for a friction drive unit

Suction nozzle, with a brush, for a vacuum cleaner

Multi-purpose suction nozzle

Vacuum cleaner nozzle

Brush-type suction nozzle

Vacuum conduit arrangement for a central dust-collecting system

Vacuum-cleaning apparatus

Method and apparatus for humidifying and purifying the air of a room

Top portion for a canister-type suction apparatus

Top portion for a canister-type suction apparatus

Cleaning apparatus

Suction device for cleaning textile floor coverings

Vacuum cleaner

Speed control circuit for electric motor

Patents Applicationslast 30 patents

Vacuum Cleaning Tool and Method for Its Operation

Wheel for a Floor Surface

Vacuum Cleaning Tool, Especially Hand-Held Nozzle, for a Vacuum Cle...

Cleaning Tool for Floor Surfaces Having an Illumination Element for...

Vacuum Cleaning Tool Having An Air Turbine with Stabilizing Air Stream

Cleaning Tool with Rotatably Driven Working Tool

Vacuum Cleaning Tool Having an Exchangeable Attachment

Cleaning device for smooth floor surfaces

Vacuum cleaning tool with rotating brush roller

Vacuum cleaning tool with direct flow turbine

Vacuum cleaning tool with an outlet ramp

Vacuum cleaning tool with pear-shaped turbine chamber

Vacuum cleaning tool

Trademarklast 30 trademarks