Hajo C.M. Siemers

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Allen, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable flow adapters for air diffusers of HVAC systems
- Patent number 11,752,838
- Issue date Sep 12, 2023
- AIR DISTRIBUTION TECHNOLOGIES IP, LLC
- Ryan M. Perkinson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air distribution systems and methods
- Patent number 11,709,510
- Issue date Jul 25, 2023
- Air Distribution Technologies IP, LLC
- Jason T. Letterman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable flow adapters for air diffusers with damper
- Patent number 11,187,431
- Issue date Nov 30, 2021
- AIR DISTRIBUTION TECHNOLOGIES IP, LLC
- Ryan M. Perkinson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air distribution systems and methods
- Patent number 11,022,989
- Issue date Jun 1, 2021
- AIR DISTRIBUTION TECHNOLOGIES IP, LLC
- Jason T. Letterman
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
AIR DISTRIBUTION SYSTEMS AND METHODS
- Publication number 20210286387
- Publication date Sep 16, 2021
- Air Distribution Technologies IP, LLC.
- Jason T. Letterman
- F24 - HEATING RANGES VENTILATING
Information Patent Application
VARIABLE FLOW ADAPTERS FOR AIR DIFFUSERS WITH DAMPER
- Publication number 20200333037
- Publication date Oct 22, 2020
- Air Distribution Technologies IP, LLC.
- Ryan M. Perkinson
- F24 - HEATING RANGES VENTILATING
Information Patent Application
VARIABLE FLOW ADAPTERS FOR AIR DIFFUSERS OF HVAC SYSTEMS
- Publication number 20200331323
- Publication date Oct 22, 2020
- Air Distribution Technologies IP, LLC.
- Ryan M. Perkinson
- B60 - VEHICLES IN GENERAL
Information Patent Application
AIR DISTRIBUTION SYSTEMS AND METHODS
- Publication number 20180329438
- Publication date Nov 15, 2018
- Air Distribution Technologies IP, LLC.
- Jason T. Letterman
- F24 - HEATING RANGES VENTILATING