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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 73/713 - With float


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein communicating liquid columns are
No. of patents: 11
Last issue date: 01/03/2012


NumberTitleIssue Date
8087299Target pressure detection device
A target pressure detection device (1) includes a housing (10), a resilient membrane (12), and a pressure detection unit (14). The housing (10) forms a chamber (102) having an open end and the housing (10) forms a thr...
01/03/2012
8024976Combined wet-wet differential and gage transducer employing a common housing
A combined wet-wet differential transducer and a gage pressure transducer located in the same housing, comprising a semiconductor chip which comprises a gage sensor chip on one section and a differential sensor chip on a second section. Each sensor chip has a Wheats...
09/27/2011
7216670Drain apparatus with liquid trap and liquid level indicator
A buoyant liquid level indicator device is positioned within liquid drain apparatus having a trough accommodating liquid to form a liquid seal to prevent passage of gas through the liquid drain apparatus. The indicator device will float and be exposed to an outside ...
05/15/2007
7080695Fire extinguisher
The present invention relates to a fire extinguisher, in particular, to a fire extinguisher with an observation window formed in it, allowing to observe inside thereof so that one can easily confirm with naked eyes whether the extinguishing agent filled in the main ...
07/25/2006
7077486Enclosure for handling hazardous material
An enclosure for handling hazardous material includes a sealable housing which is configured with a first air inlet connected to a bubble gauge and a second air inlet disposed inside the housing for air evacuation from the housing is connected to a pump for maintain...
07/18/2006
6772085Device for self-verifying temperature measurement and control
A measuring instrument includes a first temperature sensor, a second temperature sensor and circuitry. The first and second temperature sensors each generate a signal indicative of the temperature of a medium being detected. The circuitry is configured to activate v...
08/03/2004
6473708Device and method for self-verifying temperature measurement and control
A measuring instrument includes a first temperature sensor, a second temperature sensor and circuitry. The first and second temperature sensors each generate a signal indicative of the temperature of a medium being detected. The circuitry is configured to...
10/29/2002
6435032Air supply pressure regulator with supply tank pressure gauge and air supply port
An improved regulating and gauging device for attachment to tank fed breathing apparatus used in such endeavors as scuba diving or fire fighting. On the body of the device are components which concurrently function to provide the diver or other user with ...
08/20/2002
5152179Device for measuring variations in ambient pressure
There is provided an apparatus for measuring variations in pressure including a container for housing a volume of liquid and an indicator float to be movably supported by the liquid therein. The float is to have a hollow interior portion for maintaining a...
10/06/1992
3977253Pool filter pressure gauge
A gauge for a pool filter in which the gauge includes a housing mounted on top of the filter, the housing having an interior chamber which is fluid connected at the bottom to the upper interior of the filter. The removable top of the gauge housing support...
08/31/1976
3949484Vertical movement detection systems
A multi-limbed manometer system adapted to detect and record the vertical displacement of different parts of a large structure, e.g., the pedestals and cylinders of a steam turbine installation. The datum level of the liquid in the system is adjusted by c...
04/13/1976
 
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