Terry Lee Hrdina

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Wausau, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust fan assembly
- Patent number 9,636,722
- Issue date May 2, 2017
- Greenheck Fan Corporation
- John William Enzenroth
- B08 - CLEANING
Information Patent Grant
Exhaust fan assembly
- Patent number 8,647,182
- Issue date Feb 11, 2014
- Greenheck Fan Corporation
- John William Enzenroth
- B08 - CLEANING
Information Patent Grant
Exhaust fan assembly
- Patent number 7,682,231
- Issue date Mar 23, 2010
- Greenheck Fan Corporation
- John William Enzenroth
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Exhaust fan assembly having flexible coupling
- Patent number 7,320,636
- Issue date Jan 22, 2008
- Greenheck Fan Corporation
- Michael Glenn Seliger
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
EXHAUST FAN ASSEMBLY
- Publication number 20140187136
- Publication date Jul 3, 2014
- GREENHECK FAN CORPORATION
- John William Enzenroth
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Exhaust Fan Assembly
- Publication number 20100291849
- Publication date Nov 18, 2010
- GREENHECK FAN CORPORATION
- John William Enzenroth
- B08 - CLEANING
Information Patent Application
Exhaust fan assembly
- Publication number 20050170767
- Publication date Aug 4, 2005
- Greenheck Fan Corporation
- John William Enzenroth
- B08 - CLEANING
Information Patent Application
Pivotal direct drive motor for exhaust assembly
- Publication number 20050159101
- Publication date Jul 21, 2005
- Terry Lee Hrdina
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Exhaust fan assembly having flexible coupling
- Publication number 20050159102
- Publication date Jul 21, 2005
- Greenheck Fan Corporation
- Michael Glenn Seliger
- B08 - CLEANING