|
2023
|
Invention
|
Dynamic pre-balancing in a metal detector.
Examples provide a metal detector including an array ... |
|
2019
|
Invention
|
Gasket for damper assembly.
A gasket including an outer surface with a patterned edge profile. T... |
|
2016
|
Invention
|
Enclosure with sliding and pivoting cover. An enclosure comprises a housing defining an opening, ... |
|
|
Invention
|
Centrifugal fan assembly including cooling vanes and a cooling plate. A fan assembly includes a d... |
|
2011
|
Invention
|
Systems and methods of reducing a component of a signal caused by vibration. A vibration detectio... |
|
|
Invention
|
Balancing circuit for a metal detector. A balancing circuit for a metal detector. The metal detec... |
|
2010
|
G/S
|
Ceiling fans; lighted ceiling fans; ventilation fan accessories, namely, grilles, registers, diff... |
|
2008
|
Invention
|
Airflow sensor apparatus. A sensor apparatus for measuring a pressure of an airflow in a duct. Th... |
|
2007
|
Invention
|
Metal detector. A vibration canceling circuit for a metal detector. The metal detector includes a... |
|
1996
|
Invention
|
Grille assembly and related method. Disclosed is an air-flow-directing grille assembly of the typ... |
|
1995
|
Invention
|
Sound attenuator for hvac systems. An apparatus for attenuating sound in a HVAC system has an inl... |
|
1993
|
Invention
|
Variable air volume terminal unit with exterior insulation. The disclosure involves a variable ai... |
|
|
G/S
|
metal detectors having a search head used to analyze food, pharmaceuticals, plastics, mining prod... |
|
1990
|
Invention
|
Automated system for pricing and ordering custom manufactured parts. A system is disclosed for th... |
|
|
Invention
|
Safety lock. A safety spring lock for locking an air pattern control in a diffuser includes a nor... |
|
1989
|
Invention
|
Ventilator scroll arrangement. A rooftop ventilator includes a fan arranged for rotation about a ... |
|
1988
|
G/S
|
METAL DETECTORS |
|
|
Invention
|
Auxiliary frame for ceiling mounted air diffusers and the like. An air distribution device system... |
|
1987
|
Invention
|
Opposed blade balanced damper. An opposed blade balanced damper includes three sector-shaped damp... |
|
1986
|
Invention
|
Humidifier controller having automatic over-current correcting means. A controller, for controlli... |
|
|
Invention
|
Humidifier controller having multiple-phase electrode current sensor. A controller for controllin... |
|
1985
|
Invention
|
Variable air volume system control. An electronic control for positioning the damper in the air s... |
|
1983
|
Invention
|
Adjustable slot diffuser. An air diffuser includes first and second walls disposed in spaced side... |
|
|
Invention
|
Energy recovery ventilator. An energy recovery ventilator adapted to be mounted on a roof and ada... |
|
1981
|
Invention
|
Electrical steam generator having adjustable electrodes for an air humidifier. The steam generato... |
|
1980
|
Invention
|
Heat wheel construction. A heat wheel is made of spirally wound, interleaved, flat and corrugated... |
|
1979
|
Invention
|
Airflow control mechanism insertable into an air duct. The invention provides an air flow control... |
|
|
Invention
|
Air control mechanism having noise suppression means. The invention provides an airflow control m... |
|
|
Invention
|
Digital electronic steam humidifier control. Disclosed herein is a method and a digital electroni... |
|
1978
|
Invention
|
Fluid flow measuring apparatus. A fluid flow sensor for measuring the conditions of pressure and/... |
|
|
Invention
|
Heat transfer medium for rotary heat transferrers. The heat transfer medium for rotary air-to-air... |
|
|
Invention
|
Transfer wheel assembly for an air conditioner and method of making the wheel assembly. A transfe... |
|
1977
|
G/S
|
Air handling and heat transfer equipment-namely, diffusers, ventilators, fans, registers, grilles... |
|
1976
|
Invention
|
Flow control unit for air distribution system. The flow control unit includes a shell or housing ... |
|
1974
|
Invention
|
Variable volume control box and system incorporating same. An inlet plenum extends into a control... |
|
|
Invention
|
Thermostatic control for use in variable air distribution systems. Air flow volume in a delivery ... |
|
1972
|
G/S
|
Air handling and heat transfer equipment, namely, diffusers, ventilators, fans, registers, grille... |
|
1969
|
G/S
|
AIR HANDLING AND HEAT TRANSFER EQUIPMENT-NAMELY, DIFFUSERS, VENTILATORS, FANS, REGISTERS, GRILLES... |
|
1965
|
G/S
|
AIR HANDLING EQUIPMENT, PARTICULARLY AIR DIFFUSERS |
