Matches 1 - 11 out of 11
Match Document Document Title
7475553 Wind effect mitigation in cryogenic ambient air vaporizers  
Apparatus to convert LNG to gas, comprising a vaporizer having passages to pass the cool or cold LNG in heat transfer relation with warming gas flowing downwardly to discharge in multiple...
6699118 Vent apparatus  
A vent apparatus for an enclosed space such as that within a structure or a vehicle, including a vent tube having a first end that extends outside of the closed space and a second end that is...
6471578 Ventilator by force of nature with pressurization conduit hood  
A wind-powered ventilator includes a pressurization conduit hood mounted on the periphery of an automatic directional type or worm gear type ventilator. The conduit hood is arranged to pressurize...
D270276 Ventilator  
4147096 Breather vent for vapor vent valve  
A breather vent mountable on the vent pipe outlet from an underground storage tank at a gasoline service station site. A vent housing includes a body section adapted for placement on the vent pipe...
3822637 CHIMNEY DRAFT CONTROL DEVICE  
The present invention provides a draft control device for a chimney of a fireplace and the like. Basically, the device of the present invention comprises a generally hollow box-like member having...
3622082 VARIABLE-AREA NOZZLE  
A variable-area nozzle is located in a vent pipe, and has a central aperture of variable area dependent upon the fluid flow through the nozzle. The nozzle includes a flexible diaphragm transverse...
3490352 AIR BAFFLE APPARATUS  
3403616 Combination storm louver and automatic back-draft damper  
3022717 Closures for upright pipes or stacks  
0935213 Title is not available  
Matches 1 - 11 out of 11