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Wilfred Roettger
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Patents Grants
last 30 patents
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Patent Grant
Connecting rod/piston arrangement for alternative compressor and pr...
Patent number
9,599,221
Issue date
Mar 21, 2017
Whirlpool S.A.
Alisson Luiz Roman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Linear compressor based on resonant oscillating mechanism
Patent number
9,534,591
Issue date
Jan 3, 2017
Whirlpool S.A.
Wilfred Roettger
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
CONNECTING ROD/PISTON ARRANGEMENT FOR ALTERNATIVE COMPRESSOR AND PR...
Publication number
20150040752
Publication date
Feb 12, 2015
Whirlpool S.A.
Alisson Luiz Roman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
LINEAR COMPRESSOR BASED ON RESONANT OSCILLATING MECHANISM
Publication number
20140301874
Publication date
Oct 9, 2014
WHIRLPOOL S.A.
Wilfred Roettger
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
ARRANGEMENT OF COMPONENTS OF A LINEAR COMPRESSOR
Publication number
20140234145
Publication date
Aug 21, 2014
WHIRLPOOL S.A.
Alisson Luiz Roman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...