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2025
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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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2024
|
P/S
|
Air-conditioning ducts of metal; ducts of metal for ventilating and air-conditioning installation... |
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P/S
|
Air conditioning ducts of metal; heating ducts of metal; metal HVAC ducts; ducts of metal for ven... |
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|
Invention
|
Efficient fan assembly.
A fan assembly includes an internal housing having an outer internal hou... |
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Invention
|
High efficiency fan wheel. A centrifugal fan for an air handling system. The centrifugal fan incl... |
|
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Invention
|
Exhaust fan.
An exhaust fan assembly can include an outer housing, a fan housing mounted to the ... |
|
2023
|
P/S
|
Fan and ventilation products and structural parts thereof, including, centrifugal roof exhausters... |
|
|
Invention
|
Fan assembly. A fan assembly configured to address expansion losses and associated noises in cent... |
|
|
Invention
|
Efficient fan assembly. A fan assembly includes an internal housing having an outer internal hous... |
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|
Invention
|
System for curb cap size selection in an exhaust fan.
A system for manufacturing a fan. The syst... |
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|
Invention
|
Exhaust fan.
A fan comprising a motor, an impeller, a curb cap, a support pan, a first conduit, ... |
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2022
|
P/S
|
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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Invention
|
Airflow balancing valve for hvac systems. An automatic airflow balancing valve, including: a hous... |
|
2021
|
P/S
|
Bathroom exhaust fans for use in residential structures. |
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|
P/S
|
Keypad and touch screen controls for fan systems.
Ceiling fans |
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|
P/S
|
Electronic control devices in the nature of keypad and touch screen controls for ceiling fan syst... |
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|
P/S
|
Bathroom exhaust fans for use in residential structures |
|
|
Invention
|
Exhaust fan. An exhaust fan assembly can include an outer housing, a fan housing mounted to the o... |
|
|
Invention
|
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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2019
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P/S
|
Air distribution products and air terminal equipment being air ventilation instruments, namely, d... |
|
|
Invention
|
Indirect gas furnace. A high turndown furnace for an air handling system. In one example, the fur... |
|
|
Invention
|
Metal-based pellet extrusion additive manufacturing system and method of using same. An example o... |
|
2018
|
Invention
|
Airflow balancing valve for hvac systems. An automatic airflow balancing valve (10), including: a... |
|
|
Invention
|
Fan assembly. A fan assembly in which all of the major structural components of the assembly are ... |
|
|
P/S
|
Ventilation exhaust fans; heating and cooling ventilation equipment, namely, hot and cool air blo... |
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|
P/S
|
Roof ventilating exhaust fans for commercial, industrial and institutional use; electric exhaust,... |
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2017
|
P/S
|
Airflow balancing valves for HVAC systems. |
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|
P/S
|
airflow balancing valves for HVAC systems |
|
2016
|
P/S
|
Exhaust systems comprised of exhaust fans and stacks for ventilating fumes from laboratories or p... |
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|
P/S
|
Energy efficient electric motors and variable frequency drives, all used as component parts of he... |
|
2015
|
P/S
|
jet fans for ventilation purposes |
|
|
P/S
|
Computer software used by customers in the selection of heating, ventilation and air conditioning... |
|
|
P/S
|
Exhaust, filtration and circulation fans for commercial, industrial and institutional use |
|
2014
|
P/S
|
Fan and ventilation products, namely, centrifugal roof exhausters, centrifugal upblast roof exhau... |
|
|
P/S
|
Outdoor air ventilators with heating and air conditioning functions for commercial and institutio... |
|
|
Invention
|
Mixed flow fan assembly. Fan assemblies, and in particular fan wheels and stator assemblies for f... |
|
2013
|
Invention
|
Exhaust fan assembly. An exhaust fan assembly is provided for expelling contaminated air from a b... |
|
|
P/S
|
Dedicated outside air ventilators with heating and/or air conditioning functions for commercial a... |
|
|
Invention
|
Fan assemblies and stator assemblies. Fan assemblies, and in particular fan wheels and stator ass... |
|
|
Invention
|
Fan assembly and fan wheel assemblies. Fan assemblies, and in particular fan wheels and stator as... |
|
|
Invention
|
Fan housing having flush mounted stator blades. Fan assemblies, and in particular fan wheels and ... |
|
|
Invention
|
Methods for fan assemblies and fan wheel assemblies. Fan assemblies, and in particular fan wheels... |
|
2012
|
Invention
|
Variable-volume exhaust system. An exhaust system for exhausting air from a space includes a vari... |
|
2011
|
P/S
|
Exhaust systems comprising exhaust fans, nozzles, bypass air plenums, dampers, and roof curbs for... |
|
2010
|
P/S
|
Heating, cooling and ventilation equipment for nonresidential HVAC markets, namely, packaged roof... |
|
2009
|
P/S
|
Resisters for use in air conditioning, heating and ventilating systems; air conditioning dampers,... |
|
|
P/S
|
Education services, namely, providing classes, seminars and workshops in the field of heating, co... |
|
2007
|
P/S
|
Packaged ventilation equipment with water source heat pump for heating and air conditioning equip... |
|
|
P/S
|
Heating, cooling and ventilation equipment for the commercial, institutional and industrial marke... |
|
2006
|
P/S
|
dampers, namely, fire dampers, radiation dampers, smoke dampers, combination smoke damper and con... |
|
|
P/S
|
Roof ventilating exhaust fans for commercial, industrial and institutional use |
|
|
Invention
|
Centrifugal fan with turbulence inducing inlet bell. A centrifugal fan has an inlet bell that ind... |
|
|
Invention
|
Induced flow fan with outlet flow measurement.
An induced flow fan assembly is provided with a p... |
|
2005
|
Invention
|
Exhaust fan assembly having h-out nozzle. An exhaust system for expelling air from a building inc... |
|
|
Invention
|
Exhaust fan assembly.
An exhaust fan assembly is provided for expelling contaminated air from a ... |
|
|
Invention
|
Pivotal direct drive motor for exhaust assembly. An exhaust assembly is provided for expelling co... |
|
|
Invention
|
Exhaust fan assembly having flexible coupling. An exhaust assembly is provided for expelling cont... |
|
2004
|
Invention
|
Pivotal direct drive motor for exhaust assembly.
An exhaust assembly is provided for expelling c... |
|
|
Invention
|
Two stage air filter. A two stage air purification system is provided for the removal of airborne... |
|
2003
|
Invention
|
Latch assembly for damper. A damper assembly is provided having at least one damper blade that op... |
|
|
P/S
|
Heating, air conditioning, ventilation, and energy recovery products namely air-to-air energy rec... |
|
|
Invention
|
In-line centrifugal fan. An inline centrifugal mixed flow fan (20) includes an axially extending ... |
|
|
P/S
|
HEATING, AIR CONDITIONING, VENTILATION, AND ENERGY RECOVERY PRODUCTS, NAMELY, AIR-TO-AIR ENERGY R... |
|
|
P/S
|
DESIGN OF HEATING, AIR CONDITIONING, VENTILATION, AND ENERGY RECOVERY PRODUCTS FOR OTHERS, NAMELY... |
