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Patent No. 5996568

Process For Propelling Foodstuffs or the Like into a Crowd

A method of launching foodstuffs into a crowd for promotional and entertainment purposes.

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Class 454/240 - With wind-operated air pump


Subclass of Class 454 - Ventilation
Definition: Subject matter comprising an air moving apparatus powered
No. of patents: 3
Last issue date: 05/24/1988


NumberTitleIssue Date
4745850Diffusive venting of soil contaminated with volatile compounds
A system employing wind-driven venting for reducing the volatile organics content of soil contaminated by leakage or accidental spill of volatile organics such as petroleum hydrocarbons is disclosed....
05/24/1988
4608792Roof membrane holdown system
A roof system which includes a generally moisture and gas impervious membrane connected to the roof structure at its perimeter. A suction device driven by the wind or electrical motors or a combination of both creates a suction between the membrane and th...
09/02/1986
4409761Roof construction system holding roof membranes in place by suction forces
A roof construction system wherein loosely-laid membranes on the top of a roof are held in place on the roof by suction forces when the wind blows, the suction forces varying directly in proportion to the wind velocity which would otherwise tend to lift t...
10/18/1983
 
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