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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 422/117 - WITH SAFETY FEATURE


Subclass of Class 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
Definition: Apparatus having special means for protecting the operator
No. of patents: 123
Last issue date: 01/10/2012


1        
NumberTitleIssue Date
8092746Catalytic purification device
A catalytic purification device including a substrate permeable to exhaust gases, is optionally impregnated with catalytic materials, and is provided with an upstream face and an opposing downstream face; and an envelope containing the permeable substrate and defini...
01/10/2012
8075857Apparatus and method for making a peroxycarboxylic acid
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction cataly...
12/13/2011
8017082Apparatus and method for making a peroxycarboxylic acid
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction cataly...
09/13/2011
7824625Dehydrogenation fuel theft prevention system
A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing ...
11/02/2010
7435396High-pressure processing apparatus and high-pressure processing method
Mixing baths 6A and 6B which temporarily hold chemical agents A and B respectively are disposed. The mixing baths 6A and 6B are each connected with a high-pressure fluid supplying unit 2. For surface treatment using a mixture of th...
10/14/2008
7354555Gas flow control system with interlock
A system for controlling the flow of gases into a reaction chamber used in processing semiconductor devices includes a safety interlock feature that prevents inadvertent mixing of incompatible, reactive gases. The interlock feature is implemented in an interlock con...
04/08/2008
7182919Sulphurous acid generator with air injector
This invention presents a sulphurous acid generator which employs a combination of novel blending contact and mixing mechanisms which maximize the efficiency and duration of contact between sulphur dioxide gas and water to form sulphurous acid in an open nonpressuri...
02/27/2007
7172731Apparatus for releasing pressure in a vacuum exhaust system of semiconductor equipment
An apparatus for protecting a vacuum system of semiconductor equipment is disclosed. The apparatus comprises a process tool and a gas-exploding unit. The process tool includes a gas reaction chamber, and the process tool is connected with a first gas piping to exhau...
02/06/2007
7170023System and method for processing mail
A mail processing system includes a mail processing facility with at least one negative pressure zone which is negative with respect to a positive pressure zone external to the facility. The facility further includes a first area in the facility for receiving mail, ...
01/30/2007
7144739Pressure measurement and relief for microwave-assisted chemical reactions
A pressure-sealing, pressure-monitoring closure for non-invasively sealing a reaction vessel to a defined release pressure in microwave-assisted chemistry is disclosed. The closure includes a pressure-resistant, microwave-transparent reaction vessel, one portion of ...
12/05/2006
7141220Open system sulphurous acid generator
This invention presents a sulphurous acid generator which employs a combination of novel blending, contact and mixing mechanisms which maximize the efficiency and duration of contact between sulphur dioxide gas and water to form sulphurous acid in an open nonpressur...
11/28/2006
7108838Feed mixer for a partial oxidation reactor
Methods and apparatus for mixing a plurality of gases, preferably a fuel and an oxidant. The preferred embodiments are characterized by methods and apparatus for mixing at least a methane-containing gas and an oxygen-containing gas, preferably natural gas and molecu...
09/19/2006
7105061Method and apparatus for sealing substrate load port in a high pressure reactor
Methods and an apparatus for providing an intrinsically safe chamber door for a processing chamber capable of operating at high pressures are provided. One exemplary apparatus includes a processing chamber for a substrate where the chamber is configured to operate a...
09/12/2006
7057398Microwave spectrometer
An improved microwave spectrometer for measuring the concentration of ethylene oxide gas and the concentration of water vapor in one or more gas samples taken from an ethylene oxide sterilization chamber. ...
06/06/2006
6995217Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
Processes for transitioning among polymerization catalyst systems, preferably catalyst systems that are incompatible with each other. In particular, the processes relate to transitioning from olefin polymerizations utilizing metallocene catalyst systems to olefin po...
02/07/2006
6949612Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts
Processes for transitioning among polymerization catalyst systems, preferably catalyst systems that are incompatible with each other. In particular, the processes relate to transitioning from olefin polymerizations utilizing metallocene catalyst systems to olefin po...
09/27/2005
6863871Sealing closure for high pressure vessels in microwave assisted chemistry
A dynamic sealing structure for pressure vessels used in microwave assisted chemistry is disclosed. The structure includes a cylindrical vessel liner and a removable liner cap, each formed of a microwave transparent material. The liner has a circular mouth with a li...
03/08/2005
6497840Ultraviolet germicidal system
A germicidal method and apparatus for destroying airborne pathogenic bacteria such as tuberculosis bacteria using ultraviolet light. Air is drawn through a filter and into a sterilization chamber that is irradiated with ultraviolet light, and out through ...
12/24/2002
6455317Method of controlling a chemical process by microwave radiation
A system and method for controlling a microwave heated chemical process is disclosed. Time varying concentrations of some chemical substances within fumes in the microwave oven are monitored to detect concentration variations for which responses are known...
09/24/2002
6436712Apparatus and method for monitoring internal combustion exhaust
A method and apparatus according to the present invention monitors an emission gas, such as a carbon monoxide gas, from an emission source, such as a carbon monoxide source, by periodically sensing a concentration level of emission gas, such as carbon mon...
08/20/2002
6409779Method for rendering a detonation front harmless
A method for rendering a detonation front harmless. The method includes a pipe extending into a housing and proximate to the flame arresting device. The detonation front is conveyed directly to a portion of the flame-arresting device. The detonation front...
06/25/2002
6387332Safety system
A safety system for a gas process or facility for measuring the concentration of a specified gas in an area or chamber and determining whether it is safe to allow access to such area or chamber. In particular, the safety system is adapted for use in a gas...
05/14/2002
6287526Sealing closure for high pressure vessels in microwave assisted chemistry
A dynamic sealing structure for pressure vessels used in microwave assisted chemistry is disclosed. The structure includes a cylindrical vessel liner and a removable liner cap, each formed of a microwave transparent material. The liner has a circular mout...
09/11/2001
6183697Particle measuring apparatus
A particle measuring apparatus surrounds a sample with a sheath liquid to hydrodynamically converge and flow them, and optically measures a particle in the sample to obtain a signal data of the particle. The apparatus provides a monitoring section for com...
02/06/2001
6146596Soil remediation apparatus with safeguard system
The present invention is an improved apparatus and method for its use in the decontamination and remediation of soils laden with organic hydrocarbons and toxic inorganic compounds. The soil to be treated is placed in a soil treatment tray which is subsequ...
11/14/2000
6123904Water impurity analyzer
To determine the total organic carbon content of a flowing liquid in a continuous process, water and oxidizing agents enter lower ports in a multi-stage column and flow upwardly through residence chambers as they are mixed. Spaced apart along the upper pa...
09/26/2000
6086826Pressure sensing reaction vessel for microwave assisted chemistry
A microwave vessel system for external and noninvasive pressure monitoring and control is disclosed. The system comprises a reaction vessel formed of a material that is transparent to microwave radiation, with the reaction vessel including a portion that ...
07/11/2000
6033912Method of controlling a chemical process heated by microwave radiation
A system and method for controlling a microwave heated chemical process is disclosed. Time varying concentrations of some chemical substances within fumes in the microwave oven are monitored to detect concentration variations for which responses are known...
03/07/2000
5954066Method for controlling chemical reaction
Method for safely carrying out chemical reactions in a vessel having a discharge end, wherein a control valve is provided at the discharge end, and wherein reacted and unreacted chemicals are cleared from in front of the control valve thus reducing the ri...
09/21/1999
5955031Carbon monoxide sensor
A carbon monoxide sensing system is provided including a garage having an automatic door adapted to open only upon the receipt of an activation signal. Further provided is a carbon monoxide sensor positioned within the garage and connected to the automati...
09/21/1999
5896882Pressure control valve
A rapid acting flow limiting valve is provided for an autoclave processing system. In this environment, each of a plurality of parts is placed in immediate proximity with a tool, then impressed into congruent engagement with the tool by an overlying vacuu...
04/27/1999
5895630Safety device for a pipette arm
To interrupt the current to the drive motor (3) of a motor-driven arm (1) which carries a pipette (2) when something or someone unintentionally contacts the pipette (2) during its movement, the arm 1) has a lower, rigid part (5), and an upper, flexible pa...
04/20/1999
5879621Method and apparatus for ensuring sterility of surgical drapes used with surgical equipment
The presence of a drape on a thermal treatment system for ensuring sterility of a sterile medium contained within a thermal treatment system basin is determined by the use of a drape identifier and corresponding detector. When a drape containing the ident...
03/09/1999
5861126Safety device for an apparatus under gas or vapor pressure
A safety device for gas or steam pressure vessel, including at least one downstream valve connected to the pressure vessel via a tubing with a burst disc dividing the tube into an upstream section A and a downstream section B. The downstream section B inc...
01/19/1999
5837204System for disinfecting the water lines of a dental unit
A system for disinfecting the water lines of a dental unit is provided with first and second unidirectional check valves. Water at a first pressure is normally supplied to the water lines of the dental unit through the first check valve. A reservoir of li...
11/17/1998
5792429Nitrogen insertion protection system
Problems with pressure in a catalyst bed contained within a vessel arise where there is some sort of blockage in the bed such as a crust formed by a layer of catalyst particles sticking together. To overcome this problem control means is provided to coord...
08/11/1998
5772843Evaporator
An evaporator includes a tank covered by a lightweight lid which is easily lifted to avoid high pressure in the event of an explosion. The bottom of the tank includes a flat portion which slopes downwardly toward an outlet in the sidewall of the tank. The...
06/30/1998
5726321Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase
Process for carrying out gas/liquid reactions at from (-50°) to 300° C. and from 0.1 to 100 bar by carrying out the reaction in the absence of a continuous gas phase, and, as a special case, a process for the batchwise reaction of acetylene in the liqui...
03/10/1998
5714123Protective shield for a blood glucose strip
A modified blood glucose test strip reduces the risk of contamination when it is used with a blood glucose meter. The modified strip has adhered to its top surface a protective shield that is preferably cut from a sheet of transparent plastic. The shield ...
02/03/1998
5653938Method and apparatus for ensuring sterility of surgical drapes used with surgical equipment
The sterility of a drape for use on surgical equipment is ensured by the use of bar codes and a microprocessor. When a drape containing a bar code is placed on the corresponding surgical equipment, a bar code reader ascertains the bar code on the drape. A...
08/05/1997
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