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2023
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P/S
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Fan and ventilation products and structural parts thereof, including, centrifugal roof exhausters... |
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Invention
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Fan assembly.
A fan assembly configured to address expansion losses and associated noises in cen... |
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Invention
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Fan assembly. A fan assembly configured to address expansion losses and associated noises in cent... |
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Invention
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Efficient fan assembly.
A fan assembly includes an internal housing having an outer internal hou... |
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2022
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P/S
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Keypad and touch screen controls for fan systems. Ceiling fans. |
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P/S
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Ventilation products and fans, namely, centrifugal roof ventilators, vertical discharge centrifug... |
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2021
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Invention
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Efficient fan assembly. A fan assembly includes an internal housing having an outer internal hous... |
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P/S
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Bathroom exhaust fans for use in residential structures. |
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P/S
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Keypad and touch screen controls for fan systems.
Ceiling fans |
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P/S
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Electronic control devices in the nature of keypad and touch screen controls for ceiling fan syst... |
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P/S
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Bathroom exhaust fans for use in residential structures |
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Invention
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Exhaust fan. An exhaust fan assembly can include an outer housing, a fan housing mounted to the o... |
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Invention
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Airflow balancing valve with actuator. An airflow valve may comprise a plate assembly located ins... |
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P/S
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Providing temporary use of on-line non-downloadable software for use by customers in the selectio... |
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2020
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P/S
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Air distribution products and air terminal equipment being air ventilation instruments, namely, d... |
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2019
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Invention
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Indirect gas furnace. A high turndown furnace for an air handling system. In one example, the fur... |
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Invention
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Airflow balancing valve for hvac systems. An automatic airflow balancing valve, including: a hous... |
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Invention
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Metal-based pellet extrusion additive manufacturing system and method of using same. An example o... |
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2018
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Invention
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Airflow balancing valve for hvac systems. An automatic airflow balancing valve (10), including: a... |
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Invention
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Fan assembly. A fan assembly in which all of the major structural components of the assembly are ... |
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P/S
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Ventilation exhaust fans; heating and cooling ventilation equipment, namely, hot and cool air blo... |
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P/S
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Roof ventilating exhaust fans for commercial, industrial and institutional use; electric exhaust,... |
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2017
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P/S
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Airflow balancing valves for HVAC systems. |
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P/S
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airflow balancing valves for HVAC systems |
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2016
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P/S
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Exhaust systems comprised of exhaust fans and stacks for ventilating fumes from laboratories or p... |
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P/S
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Energy efficient electric motors and variable frequency drives, all used as component parts of he... |
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2015
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P/S
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jet fans for ventilation purposes |
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P/S
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Computer software used by customers in the selection of heating, ventilation and air conditioning... |
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P/S
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Exhaust, filtration and circulation fans for commercial, industrial and institutional use |
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2014
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P/S
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Fan and ventilation products, namely, centrifugal roof exhausters, centrifugal upblast roof exhau... |
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P/S
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Outdoor air ventilators with heating and air conditioning functions for commercial and institutio... |
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Invention
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Mixed flow fan assembly. Fan assemblies, and in particular fan wheels and stator assemblies for f... |
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P/S
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HVAC equipment, namely coils for use as components in HVAC equipment and systems |
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2013
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Invention
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Exhaust fan assembly. An exhaust fan assembly is provided for expelling contaminated air from a b... |
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P/S
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Dedicated outside air ventilators with heating and/or air conditioning functions for commercial a... |
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|
Invention
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Fan assembly and fan wheel assemblies. Fan assemblies, and in particular fan wheels and stator as... |
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|
Invention
|
Fan assemblies and stator assemblies. Fan assemblies, and in particular fan wheels and stator ass... |
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|
Invention
|
Methods for fan assemblies and fan wheel assemblies. Fan assemblies, and in particular fan wheels... |
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|
Invention
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Fan housing having flush mounted stator blades. Fan assemblies, and in particular fan wheels and ... |
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2012
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Invention
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Variable-volume exhaust system. An exhaust system for exhausting air from a space includes a vari... |
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2011
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P/S
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Exhaust systems comprising exhaust fans, nozzles, bypass air plenums, dampers, and roof curbs for... |
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2010
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P/S
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Insulated coil sections for use in heating, ventilation, and air conditioning systems |
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P/S
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Heating, cooling and ventilation equipment for nonresidential HVAC markets, namely, packaged roof... |
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2009
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P/S
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Resisters for use in air conditioning, heating and ventilating systems; air conditioning dampers,... |
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P/S
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Education services, namely, providing classes, seminars and workshops in the field of heating, co... |
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2007
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P/S
|
Heating, cooling and ventilation equipment for the commercial, institutional and industrial marke... |
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P/S
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Packaged ventilation equipment with water source heat pump for heating and air conditioning equip... |
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2006
|
P/S
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dampers, namely, fire dampers, radiation dampers, smoke dampers, combination smoke damper and con... |
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P/S
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Roof ventilating exhaust fans for commercial, industrial and institutional use |
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Invention
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Centrifugal fan with turbulence inducing inlet bell. A centrifugal fan has an inlet bell that ind... |
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Invention
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Induced flow fan with outlet flow measurement.
An induced flow fan assembly is provided with a p... |
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2005
|
Invention
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Exhaust fan assembly having h-out nozzle. An exhaust system for expelling air from a building inc... |
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Invention
|
Exhaust fan assembly.
An exhaust fan assembly is provided for expelling contaminated air from a ... |
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Invention
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Pivotal direct drive motor for exhaust assembly. An exhaust assembly is provided for expelling co... |
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Invention
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Exhaust fan assembly having flexible coupling. An exhaust assembly is provided for expelling cont... |
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|
Invention
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Exhaust fan assembly having a windband. An exhaust fan assembly is provided for expelling contami... |
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2004
|
Invention
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Pivotal direct drive motor for exhaust assembly.
An exhaust assembly is provided for expelling c... |
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Invention
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Two stage air filter. A two stage air purification system is provided for the removal of airborne... |
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2003
|
Invention
|
Latch assembly for damper. A damper assembly is provided having at least one damper blade that op... |
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P/S
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Heating, air conditioning, ventilation, and energy recovery products namely air-to-air energy rec... |
