David C. Hustvedt

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular fan unit apparatus and methods
- Patent number 10,443,624
- Issue date Oct 15, 2019
- Acoustiflo, LLC
- David Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Automatic fan inlet closure apparatus and methods
- Patent number 10,436,207
- Issue date Oct 8, 2019
- Acoustiflo, Ltd.
- David Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fan inlet air handling apparatus and methods
- Patent number 9,835,176
- Issue date Dec 5, 2017
- AcoustiFLO LLC
- David Charles Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal fan diffuser
- Patent number 7,357,621
- Issue date Apr 15, 2008
- Acoustiflo, LLC
- David C. Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal fan diffuser
- Patent number 7,001,140
- Issue date Feb 21, 2006
- Acoustiflo, Ltd.
- David C. Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Modular Fan Unit Apparatus and Methods
- Publication number 20180283401
- Publication date Oct 4, 2018
- Acoustiflo, LLC
- David Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Automatic Fan Inlet Closure Apparatus and Methods
- Publication number 20170030363
- Publication date Feb 2, 2017
- Acoustiflo, Ltd.
- David Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fan Inlet Air Handling Apparatus and Methods
- Publication number 20150104294
- Publication date Apr 16, 2015
- Acoustiflo, LLC
- David Charles Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Centrifugal fan diffuser
- Publication number 20060153671
- Publication date Jul 13, 2006
- Acoustiflo, Ltd.
- David C. Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Centrifugal fan diffuser
- Publication number 20050141988
- Publication date Jun 30, 2005
- Acoustiflo, Ltd.
- David C. Hustvedt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...