Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7231887 | Milking installation A milking installation comprises a compressed air system with a compressed air line, a pneumatically controllable cylinder and a compressed air pump for supplying compressed air for the cylinder. The compressed air system comprises a dew point sensor for measuring t... | 06/19/2007 |
| 7186372 | Method for determining lumen penetration of a vapor phase sterilant Concentration of a chemical vapor sterilant, especially, hydrogen perioxide, can be calculated at a point within a lumen based upon physical characteristics of the lumen and process parameters of a sterilization process employing the sterilant. ... | 03/06/2007 |
| 7181953 | Moisture detector assembly The moisture detector assembly includes a moisture detector having a probe extending into a housing bore to have fluid flow in contact with the probe and exiting through a housing bore orifice. A pressure regulator is mounted to the housing with its outlet opening t... | 02/27/2007 |
| 6953549 | System and method for determining concentration of sterilant A vapor decontamination system for decontaminating a defined region. The system is comprised of a chamber defining a region, and a generator for generating vaporized hydrogen peroxide from a solution of hydrogen peroxide and water. A closed loop circulating system i... | 10/11/2005 |
| 6565992 | Phosphorescent oxygen sensors A pressure sensor comprising a stable polymer having a backbone containing nitrogen and one or more of sulfur or phosphorous, and including a phosphorescent dye agent.... | 05/20/2003 |
| 6065328 | Apparatus and method for determining thermophysical properties using an isobaric approach The instant invention relates to a method and apparatus to determine the thermodynamic properties of a gas medium without making a determination of gas composition. In the instant invention, the speed of sound of a gas medium in a vessel is determined at ... | 05/23/2000 |
| 5961922 | Method and apparatus for detecting water entrapment in a vaccum chamber During a vacuum evacuation of a chamber, the presence of water in the chamber can be detected by monitoring the pressure level in the chamber. In the absence of water, the pressure will decrease continuously and smoothly. If water is present, the pressure... | 10/05/1999 |
| 5663491 | Method for steam quality measurement Steam quality in flow lines equipped with orifice meters may be determined by injecting a predetermined quantity of water into the flow line and measuring the orifice pressure differential with and without water injection. An approximation of the James co... | 09/02/1997 |
| 5421209 | Measurement of steam quality and mass flow rate Apparatus and method for concurrently determining steam flow rate and quality, through a conduit which comprises an orifice plate positioned in series with a critical flow venturi in said conduit. Pressure sensing means in the conduit senses pressures the... | 06/06/1995 |
| 5206615 | Sensor for measuring solute concentration in an aqueous solution A sensor for measuring concentrate of solute in an aqueous solution in which a humidity sensor is enclosed and sealed within a porous fluorine polymer film that is liquid water impermeable but water vapor permeable. The sensor operates by measuring water ... | 04/27/1993 |
| 5158747 | Apparatus for identifying and distinguishing different refrigerants Apparatus for identifying and distinguishing between at least two different types of refrigerant includes a sample container having a fixed internal volume. Refrigerant to be tested is selectively admitted into the container in vapor phase, vapor pressure... | 10/27/1992 |
| 5092159 | Method and apparatus utilizing a single nozzle for effecting measurment of steam characteristics A system for measuring steam flowing through a convergent-divergent nozzle at critical flow uses selected measurements along with Napier's Parameter, Dimensionless Critical Steam Flux and Critical Density Ratio to determine steam quality and flow rate.... | 03/03/1992 |
| 5031466 | Method and apparatus for determining steam quality and mass flow rate Steam quality, namely the mass of steam vapor divided by the total mass of water and steam vapor, is determined by measuring the degree of fluctuation of the differential pressure signal across the orifice of a single sharp-edged orifice plate in the stea... | 07/16/1991 |
| 5031465 | Steam quality and mass flow rate measurement using critical flow choke upstream of an orifice plate A method and apparatus for measuring steam quality and mass flow rate at an injection wellhead includes measuring upstream pressure before a critical flow choke, downstream pressure after the choke and differential pressure across an orifice plate spaced ... | 07/16/1991 |
| 5000035 | Apparatus for measuring vapor pressure Apparatus for measuring the vapor pressure of a volatile liquid includes one or more cylindrical test chambers immersed in a constant temperature water bath. Each test chamber includes connected liquid and vapor compartments, with the vapor compartment co... | 03/19/1991 |
| 4864844 | Method and apparatus for evaluating condensation amount In order to evaluate the condensation amount in a jet engine intake duct, for calibrating the engine, apparatus are provided which induce a high speed flow of air through a duct. The duct is designed so that the air velocity within it very gradually incre... | 09/12/1989 |
| 4854725 | Multi-sensor steam quality monitoring means and method A system of the present invention monitors the quality of steam flowing in a pipeline includes a test cell which is connected inline into the pipeline and has the steam flowing through it. A plurality of electrodes are located within the test cell and coo... | 08/08/1989 |
| 4843867 | System for monitoring sterilant vapor concentration A system is provided for determining the concentration of a condensable vapor in the presence of at least one other condensable vapor, such as hydrogen peroxide and water vapors. The system includes generally a dew point sensor, a device for measuring at ... | 07/04/1989 |
| 4833688 | Two-phase flow quality measuring device A device and associated method comprising a probe (18) for drawing throttled two-phase steam into a tank (26) which has been evacuated and which can be closed when the pressure of the sample steam in the tank equals the pressure of the source steam mixtur... | 05/23/1989 |
| 4809810 | Breath alcohol analyzer Disclosed is a system both apparatus and method, for analyzing a breath sample (22). A transducer (24) senses the pressure, temperature and humidity of the breath sample and in response generates a breath signature signal (26). A sensor (28) detects the a... | 03/07/1989 |
| 4707244 | Solid state sensor element A solid state sensing element comprising a nonporous, structurally stable, electrically insulating substrate on which is disposed spaced apart pairs of electrodes for contact with moisture. A hygroscopic electrolytic material is located in close proximity... | 11/17/1987 |
| 4581934 | Method of and apparatus for measurement of the gas loading of a liquid synthetic-resin component A method of and an apparatus for the measurement of the degree of gas charging of a liquid component of a foam synthetic resin such as a polyurethane. The gas-charged liquid component is introduced into a measuring vessel to a height controlled by an over... | 04/15/1986 |
| 4554793 | Controlled power converter for thermoelectric heat pump drive A controlled power conversion system for providing power to a thermoelectric heat pump for controlling the temperature of a device, such as a chilled mirror used in a chilled mirror humidity sensor. The system uses means, responsive to a DC input power so... | 11/26/1985 |
| 4507875 | Apparatus for determining the concentration of vapors in a flowing gas stream A device for determining the concentration of condensable vapor in a flowing gas stream which includes a gas evacuation conduit for receiving a sample of gas from the stream, a gas condenser in the evacuation conduit for condensing out essentially all of ... | 04/02/1985 |
| 4366710 | Method for measuring vapor pressure Determining saturation vapor pressure of a hydrocarbon mixture by chromatographic analysis of the mixture, recording n-paraffin positions on said analysis establishing n-paraffin bisectors halfway between n-paraffin positions, determining the number of mo... | 01/04/1983 |
| 4149403 | Determining steam quality Method and apparatus for determining the quality of wet steam flowing in a steam line utilizing the relationship between critical flow pressure (Pc) and upstream pressure (Pu) to develop a critical pressure ratio Pc /P | 04/17/1979 |
| 4066068 | Method and apparatus for determining the amount of a substance emitted by diffusion from a surface such as a derm surface A method and apparatus are provided for measuring quantitatively the amount of liquid and convection heat emitted from a surface by diffusion. When the surface is a derm surface the transepidermal water loss is measurable by a cylindrical shield device in... | 01/03/1978 |
| 4034597 | Method and apparatus for measuring steam quality Method and apparatus for estimating steam quality which involves sampling a steam-water mixture and utilizing volume relationships between the volume of initial sample and volume of the sample when water in sample is converted to steam.... | 07/12/1977 |
| 3967494 | Method and apparatus for detecting entrapped air in a steam sterilizer Steam and entrapped air are bled from a steam sterilizing chamber and into a water displacement tube. The steam component of the bleed is condensed in the tube while any air entrapped in the steam displaces water from the tube. As the water level in the t... | 07/06/1976 |
