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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 454/19 - Including additional blade set


Subclass of Class 454 - Ventilation
Definition: Subject matter further comprising a different group of rotating
No. of patents: 9
Last issue date: 04/11/2006


NumberTitleIssue Date
7025670Rotatable vent
A wind powered rotatable vent includes an annular rotatable louvered panel axially rotatable about a shaft and an impeller disposed in spaced underlying relationship with respect to the rotatable louvered panel and rotatably secured to the shaft. A fixed collar unde...
04/11/2006
7001265Air exhaust system
An air exhaust system comprises a chamber. The chamber has side walls, a ceiling, an attic and a roof. The ceiling and roof have air flow apertures. Provided next is a duct with upper and lower ends. A turbine fan is provided. The fan is operatively coupled to the u...
02/21/2006
6971820Microblower assisted barometric valve
A gas exchange apparatus is provided which provides for both passive fluid flow and blower associated fluid flow through a barometric valve. A battery powered blower is provided which allows for operation of the barometric valve during times when the barometric valv...
12/06/2005
6935841Fan assembly
A fan assembly includes a vertical axis wind turbine (VAWT) which is coupled to an air extraction or air supply fan. The VAWT is located above and is coupled coaxially to the fan. The fan assembly also includes an auxiliary turbine to provide start-up torque to init...
08/30/2005
6582291Windjet turbine
A roof-mounted wind turbine includes turbine vanes that are linear-shaped and do not have the conventional convex curvature. Additionally, the turbine vanes are made in common with one another or with a common turbine component, so that each vane does not...
06/24/2003
6352473Windjet turbine
A roof-mounted wind turbine includes turbine vanes that are linear-shaped and do not have the conventional convex curvature. Additionally, the turbine vanes are made in common with one another or with a common turbine component, so that each vane does not...
03/05/2002
6302778Turbine roof ventilator
A turbine roof ventilator includes a rotatable shaft defining an upper end and a lower end. A turbine hood is located on the upper end of the shaft and is adapted to turn with the shaft. A cylindrical sleeve is disposed below the turbine hood. The shaft i...
10/16/2001
4641571Turbo fan vent
A turbo fan vent for use on the roof of a building and having a close-louvered low profile turbine affixed to a rotary shaft which is rotationally supported by bracing and bearing means associated with a lower concentric collar. The collar is spaced inwar...
02/10/1987
4416415Automatic damper assembly
An automatic temperature and pressure responsive damper assembly for use within the conduit of a ventilating system designed to exhaust the air from a confined space to the atmosphere when the confined space reaches a preselected temperature or when the p...
11/22/1983
 
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