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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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| Number | Title | Issue Date |
| 7448248 | Calibration and verification tool and method for calibrating a detection apparatus The calibration tool is provided for use with a detector, such as a detector for detecting trace amounts of one or more substances of interest. The calibration tool includes a body with at least one reservoir for retaining the calibration solution therein. A nib pro... | 11/11/2008 |
| 7310991 | Explosion-proof gas sensor An explosion-proof gas sensor has a measuring element (2), which generates a measured signal that depends on the concentration of the measured gas and is delimited against the environment by means of a porous, gas-permeable and sintered metal body (7).... | 12/25/2007 |
| 7171872 | Adjustable mechanical screwdriver An adjustable mechanical screwdriver, having a receiving housing, gear housing and a deflection bevel gear. A small structural size is achieved because the driveshaft protrudes with a bearing shoulder at the drive bevel gear in a direction of the bearing shaft, whic... | 02/06/2007 |
| 7167098 | Testing equipment for a fire alarm The present invention relates to testing equipment 20 for a fire alarm 1. It includes a testing pole (21), a range spacer (23) connected to the testing pole (21), and a reflective means and/or scattering means situated in the insid... | 01/23/2007 |
| 7107821 | Leak indicator with test leak and test leak for integration into a leak indicator A leak indicator including a housing that houses components of the indicator as well as a test leak, and test leaks that are suitable for integration into a leak indicator. ... | 09/19/2006 |
| 7073368 | Calibration device for gas sensors A gas sensor includes a gas detector, a reference gas generator, and a circuit. The reference gas generator includes a heater and a gas releasing material. The gas releasing material is in proximity to the heater such that, when the heater is energized during calibr... | 07/11/2006 |
| 6997347 | Apparatus and method for generating calibration gas An apparatus and method for generating a low concentration of gas within a carrier gas flow employing one or more miniature one-piece cylinders filled under pressure with a pure gas, or a concentrated gas balanced with an inert gas or gas mixture. Released from the ... | 02/14/2006 |
| 6969357 | Gas analyzer calibration checking device A calibration checking device, and methods of mandating its use at regular time intervals, to ensure maintenance of the accuracy of gas analyzers, especially for use with breath tests, Each calibration checking device is designed to be used for a predetermined numbe... | 11/29/2005 |
| 6948352 | Self-calibrating carbon monoxide detector and method The self-calibrating carbon monoxide detector and method of the present invention utilize the gas for which the detector was designed to detect as the calibration gas. Specifically, a carbon monoxide gas generator is included in the detector assembly, and is control... | 09/27/2005 |
| 6938465 | Method of rating brittleness of coating substance and device for implementing the brittleness rating method Brittleness of a coating substance such as a coating film that is too brittle and/or too thin to be independently removed or handled is rated on the basis of an outcome of detection of acoustic emissions which are produced when a test film piece prepared by laminati... | 09/06/2005 |
| 6918281 | Gas sensor calibration system The present invention provides a method of calibrating sensors within a gas detector (36) having a housing containing a gas inlet whereby gas can diffuse from the inlet to the sensors. The gas inlet in the housing is held against part (34) of the calib... | 07/19/2005 |
| 6729175 | Test piece for inspection penetrant performance assessment and comparison A test panel and process of preparing a test panel for evaluating the performance of inspection penetrants by inducing cracks into a brittle coating. The process includes drilling one or more holes from the back side of a test plate which has been plated on a plated... | 05/04/2004 |
| 6568239 | Test strip and method for confirming shot peening coverage Shot peening coverage is confirmed by mounting a test strip having surface irregularities of graduated depth on a surface of a component undergoing peening for which peening coverage is to be confirmed. The component, with the test strip attached thereto,... | 05/27/2003 |
| 6526803 | Apparatus and method for generating moisture standards in gases An apparatus and method for generating moisture standards in gases are disclosed. In particular, the invention relates to an apparatus for introducing a preselected amount of water vapor or other vaporized liquid into a flowing gas stream at a constant ra... | 03/04/2003 |
| 6311538 | Test piece for inspection penetrant performance assessment and comparison A test panel and process of preparing a test panel for evaluating the performance of inspection penetrants by inducing cracks into a brittle coating. The process utilizes a penetrating tool which has a point which is pressed in a slow measured manner into... | 11/06/2001 |
| 6234001 | Apparatus and method for generating calibration gas Apparatus for generating calibration gas comprising a contained stream of carrier gas, and a chamber containing at least part of the stream and a volatile reference liquid held by a wick structure so that as the stream passes through the chamber, the vola... | 05/22/2001 |
| 6055840 | Method and apparatus for determining concentration of a gas A method for calibrating a gas measurement device which includes a gas sensing element having an electrical signal output dependent upon concentration of the gas being measured and a diffusion barrier to limit gas entry to the gas measurement device. The ... | 05/02/2000 |
| 5980834 | Sample storage devices A sample storage device comprises a vial provided with an opening, a permion tube arranged within the vial, permeable to a fluid contained in the vial or the permeation tube, and having a first closed end and an opposite second end, and a septum closure ... | 11/09/1999 |
| 5789253 | Methods for rapid equalibration of dissolved gas composition An apparatus and method of equilibrating the dissolved gas composition of an aqueous fluid to reflect the predetermined gas composition contained in a gas equilibration reservoir. The equilibrated aqueous fluid can be used in a method of determining the c... | 08/04/1998 |
| 5777203 | Method and device for gas emission A method and a device for emitting small volumes of gas from a substance in condensed form to the surroundings at a controllable rate. The condensed substance is in a container which is in communication with the surroundings via a gas permeable membrane a... | 07/07/1998 |
| 5605664 | Methods and apparatus for rapid equilibration of dissolved gas composition Disclosed is an apparatus and method of equilibrating the dissolved gas composition of an aqueous fluid to reflect the predetermined gas composition contained in a gas equilibration reservoir. The equilibrated aqueous fluid can be used in a method of dete... | 02/25/1997 |
| 5285672 | Multipurpose dynamic controlled atmosphere chamber A stainless steel exposure chamber utilizes either a gas cylinder standard or a permeation tube standard to generate the required test atmosphere. The concentrations of the contaminants in the chamber can be varied from lower parts per billion (ppb) to hi... | 02/15/1994 |
| 5199295 | Feedback controlled gas mixture generator especially for an hygrometer reaction check A small moisture addition apparatus which regularly, through use of a counterflow, adds a controlled amount of moisture to a sample gas analyzed by an hygrometer to reduce the response time of the hygrometer and to provide automatic verification that the ... | 04/06/1993 |
| 5092217 | Method of calibrating a vapor detector A highly selective, sensitive, fast detection system and method are disclosed for detecting vapors of specific compounds in air. Vapors emanating from compounds such as explosives, or stripped from surfaces using heat and suction from a hand-held sample g... | 03/03/1992 |
| 4998431 | Field usable calibrator for humidity meters Disclosed herein is a humidity calibrator device including a base part sealed by plugs, and a replaceable humidity calibrator cartridge. The cartridge contains saturated vapor, saturated salt solution and salt crystals. The cartridge is sealed with a semi... | 03/12/1991 |
| 4882576 | Remote combustible gas sensor A combustible gas sensor with a calibration test adaptor. A standard combustible gas sensor attached to a transmitter in transmitter housing has a body portion attached thereto which is adapted to receive and slowly distribute test gas in the vicinity of ... | 11/21/1989 |
| 4742708 | Apparatus for electrochemical sensor calibration Apparatus for removably connecting a calibrating gas chamber to the body of an electrochemical sensor consisting of corresponding members carried by the sensor and the gas chamber, each member defining a contact surface that cooperates with the contact su... | 05/10/1988 |
| 4713618 | On-line calibration system for chemical monitors An on-line calibration system for calibrating chemical monitors which monitor a selected chemical characteristics of a fluid sample stream, including a conditioning system for conditioning an influent fluid sample stream to produce a conditioned fluid sam... | 12/15/1987 |
| 4700560 | Calibration cell for calibration of gaseous or non-gaseous fluid constituent sensors A reference liquid-containing calibration cell for the calibration of a sensor for measuring a gaseous or non-gaseous constituent parameter of a fluid includes a chamber containing the reference liquid. The chamber is sealed to prevent loss of the referen... | 10/20/1987 |
| 4689135 | Device for conditioning a gas sensor A method is disclosed for conditioning a gas sensor. The electrode arrangement of the sensor is surrounded by an electrolyte and is partitioned off from the atmosphere by a gas-permeable membrane. The electrode arrangement is introduced into a calibrating... | 08/25/1987 |
| 4663959 | Method and device for calibrating transducers for determining gas concentrations A method is disclosed for calibrating transducers for determining gas concentrations, in particular for the transcutaneous measurement of blood gases. In the method, the testing chamber is exposed on its measuring surface, through an overlay, to a known g... | 05/12/1987 |
| 4663958 | Method for sensitizing and stabilizing the operating condition of a semiconductor gas sensor and a semiconductor gas sensor device therefor When in use for a relatively long time and during the period of operational readiness, semiconductor gas sensors for measuring gas components of a gas mixture exhibit decreasing sensitivity and increased aging, so that if a relatively large quantity of th... | 05/12/1987 |
| 4635467 | Calibration cell for the calibration of gaseous or non-gaseous fluid constituent sensors A reference liquid-containing calibration cell for the calibration of a sensor for measuring a gaseous or non-gaseous constituent parameter of a fluid includes a chamber containing the reference liquid. The chamber is sealed to prevent loss of the referen... | 01/13/1987 |
| 4610157 | Surface penetrant inspection test piece having varying thickness plating A test specimen has a carefully controlled series of cracks on its surface and is useful for evaluating surface penetrants employed in non-destructive inspection. A flat brass substrate has a nickel electroplating on one surface, which plating varies in t... | 09/09/1986 |
| 4531398 | Calibration system for gas analyzers A calibration system is provided for gas analyzers, and particularly for apparatus for measuring atmospheric pollution and for detecting gaseous pollutants. The device comprises a tight permeation chamber connected to a source of a gaseous pollutant or a ... | 07/30/1985 |
| 4489590 | Method and apparatus for gas detector calibration Methods and apparatus for applying calibrating gas to a combustible gas sensor, in which a calibration enclosure is formed mechanically upon application of pressurized calibration gas.... | 12/25/1984 |
| 4385910 | Apparatus and method for producing a gas having a controlled water vapor content An apparatus (10) and method for producing a gas having a controlled water vapor content is disclosed. Present methods of adding varying amounts of water to a gas containing nitric oxide may undesirably alter the composition of the gas. The present invent... | 05/31/1983 |
| 4343176 | Long-life leak standard assembly The present invention is directed to a portable leak standard assembly which is capable of providing a stream of high-purity reference gas at a virtually constant flow rate over an extensive period of time. The leak assembly comprises a high pressure rese... | 08/10/1982 |
| 4164861 | Leak standard generator A leak standard generator which utilizes the diffusion properties of a gas or vapor to deliver a uniform rate of flow of a leak sample into a diluent gas stream. The generator includes a reservoir containing the leak sample, a discharge head through which... | 08/21/1979 |
| 4078417 | Test panel for evaluating inspection penetrants A test panel for use in evaluating fluorescent penetrants and being composed of a spring steel substrate having surfaces coated with a thin electroless nickel plating capable of producing stress induced microcracks in the plated surfaces.... | 03/14/1978 |
