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Modular fan unit apparatus and methods
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Patent number 10,443,624
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Issue date Oct 15, 2019
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Acoustiflo, LLC
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David Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal fan diffuser
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Patent number 7,357,621
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Issue date Apr 15, 2008
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Acoustiflo, LLC
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David C. Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal fan diffuser
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Patent number 7,001,140
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Issue date Feb 21, 2006
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Acoustiflo, Ltd.
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David C. Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Automated Fan Inlet Damper Closure Apparatus
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Publication number 20210148368
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Publication date May 20, 2021
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Acoustiflo, Ltd.
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Christian O. Quinones
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Modular Fan Unit Apparatus and Methods
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Publication number 20180283401
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Publication date Oct 4, 2018
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Acoustiflo, LLC
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David Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fan Inlet Air Handling Apparatus and Methods
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Publication number 20150104294
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Publication date Apr 16, 2015
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Acoustiflo, LLC
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David Charles Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal fan diffuser
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Publication number 20060153671
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Publication date Jul 13, 2006
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Acoustiflo, Ltd.
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David C. Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal fan diffuser
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Publication number 20050141988
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Publication date Jun 30, 2005
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Acoustiflo, Ltd.
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David C. Hustvedt
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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78756115 - WORLD'S MOST EFFICIENT FAN
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Serial number 78756115
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Filing date Nov 17, 2005
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AcoustiFLO, LLC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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75187271 - ACOUSTIFLO
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Serial number 75187271
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Filing date Oct 15, 1996
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Acoustiflo, Ltd.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes