Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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 |
| 7364696 | Methods and devices for droplet microchromatography Disclosed devices and methods for droplet microchromatograhy are aimed at optical monitoring and rapid analysis of a drying droplet. The device includes droplet deposition component preferably made as a modified disk adapted to fit in a modified CD disk drive, an op... | 04/29/2008 |
| 7351312 | Apparatus for obtaining sample and process therefor A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec... | 04/01/2008 |
| 7165466 | Apparatus and method for in situ measuring of evaporation from a surface The present invention concerns a method for in situ measuring of evaporation from a surface and an apparatus for measuring the evaporation from a surface. The apparatus comprises an evaporation surface made of a porous, hydrophilic material, which surface is connect... | 01/23/2007 |
| 7119312 | Microwave fluid heating and distillation method A microwave energy emitter (108) is positioned in a microwave transparent chamber (123) within a fluid holding vessel (106) of a microwave containment vessel (122). The fluid holding vessel (106) may be transparent to microwave ene... | 10/10/2006 |
| 7021122 | Device for the determination of blood clotting by capacitance or resistance A sensor device (10) and a method for measuring a viscosity of a sample of a liquid. The sensor features a chamber (12) for receiving the sample of the liquid, two electrodes (18) disposed either on the surfaces of the chamber, but possibly isol... | 04/04/2006 |
| 6881585 | Method and apparatus for rapid screening of volatiles In one embodiment, the present method includes the steps of introducing a volume of a sample into a vapor delivery line and volatilizing at least a portion of the volume as it is carried through the vapor delivery line. At least a portion of the volatilized volume c... | 04/19/2005 |
| 6836732 | Enhanced vapor containment and monitoring An apparatus and method for ensuring effective and efficient vehicle vapor recovery performance, storage tank system integrity relative to both vapor and liquid containment and for reducing the probability that inaccurate information causes companies to undertake un... | 12/28/2004 |
| 6817342 | Method and device for detecting the quality of fuel for an internal combustion engine A wall film can form around a temperature sensor as a result of the temperature sensor being fitted in the intake port of the internal combustion engine, in such a manner that at least some of the fuel jet from the injection valve is sprayed onto it. The reduction i... | 11/16/2004 |
| 6651487 | Test for brake fluid age and condition A reactive test strip having a pre-exposure color is used to measure and indicate the concentration of copper ions in brake fluid in terms of a readily visible color change. The strip is immersed in the fluid within a brake fluid container and any resulti... | 11/25/2003 |
| 6588253 | Fuel volatitlity sensor and method based on capacitance measurement A method and apparatus for determining a volatility of a fuel sample. A fuel sample is collected in a container and heated for a time period using a heater device. Periodically during the heating, the capacitance of the fuel sample and the temperature of ... | 07/08/2003 |
| 6581443 | Process for determining the distillation characteristics of liquid petroleum products by express mini-distillation and apparatus permitting implementation of this process "Process for determining the distillation characteristics of liquid petroleum products by express mini-distillation and apparatus permitting implementation of this process" Apparatus characterized by the fact that it includes: a distillation flask dimensioned ... | 06/24/2003 |
| 6048091 | Atmometer An atmometer includes a chamber having arranged in an interior region thereof a medium in fluid communication with a liquid source and adapted for releasably retaining liquid. The chamber also has at another region an opening to the surrounds over which a... | 04/11/2000 |
| 5423206 | Fluid flow apparatus with capacitive sensors An automatic atmometer includes an evaporating head that is coupled to a metering vial through a three-way valve controlled by fluid sensors disposed proximate inlet and open ends of the metering vial. The three-way valve is ordinarily in a quiescient sta... | 06/13/1995 |
| 5311769 | Method and apparatus for automatic measurement of evapotranspiration An automatic atmometer includes an evaporating head that is coupled to a metering vial through a three-way valve controlled by fluid sensors disposed proximate inlet and open ends of the metering vial. The three-way valve is ordinarily in a quiescient sta... | 05/17/1994 |
| 5278875 | Process for synthesis of 11C-labeled methyl iodide and apparatus In a process for the synthesis of 11 C-labeled methyl iodide which comprises producing 11 CO2 by the irradiation of a proton beam, supplying 11 CO2 gas to a collector of 11 CO2 gas, ... | 01/11/1994 |
| 5159898 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine A process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine which are characterized by the fact that at the present time comercial types of fuel have approximately the same molecular weights, which are clearly... | 11/03/1992 |
| 5081046 | Method for determining the binder content of bituminous building materials The binder content of bituminous building materials, especially asphalts is determined. To enable samples of relatively great mass to be analyzed within comparatively little time, the binder is removed from the sample by thermal degradation. The binder co... | 01/14/1992 |
| 4709585 | Method and apparatus for monitoring environmental evapotranspiration An atmometer for estimating a crop consumptive water evapotranspiration employs a green canvas colored material which is wrapped around a porcelain evaporating surface. The material simulates the albedo and diffusion resistance properties of the crop in o... | 12/01/1987 |
| 4670137 | Impurity detector An impurity detector atomizes a liquid sample by injecting the sample into a chamber with a gas. In the chamber the liquid is heated, preferably by heating the gas prior to injection, to cause all the liquid to evaporate. The solid impurities contained in... | 06/02/1987 |
| 4577978 | Field test for determining water in oil A semi-quantitative method for determining the amount of water in contaminated oil samples wherein a small sample of contaminated oil is placed in one or more compartments of a container. An equal size sample of reference oil of the same composition as th... | 03/25/1986 |
| 4528635 | Automatic distillation apparatus A microprocessor controlled distillation analyzer for petroleum products performs, computes, displays and records distillation data. An interactive/keyboard display and printer system reports and records test conditions and prompts user inputs to define t... | 07/09/1985 |
| 4484823 | Method of determining the boiling point of a liquid In order to determine the boiling point of a liquid, especially a nonaqueous one such as a brake fluid, a device suspended in a body of that liquid--e.g. in a reservoir supplying fluid to a brake cylinder--forms a narrow chamber which is open at the botto... | 11/27/1984 |
| 4480929 | Method and a device for measuring concrete maturity A method and a device for measuring the maturity of concrete, in which the heat generated by the setting of the concrete causes a special liquid to evaporate and the amount of evaporated liquid is taken as a measure of the concrete maturity. The liquid is... | 11/06/1984 |
| 4418576 | Apparatus and method for automatically replenishing liquid and measuring the rate of evaporation of a liquid An evaporimeter formed of a capillary tube hydraulically coupled to a sheet of filter paper to form a capillary system establishing hydraulic continuity of liquid between the tube and the surface of the filter paper is automatically replenished with the l... | 12/06/1983 |
| 4409834 | Evapopsychrometer The evapopsychrometer is a special combination of an evaporimeter and a psychrometer. This combination was made possible by the application of a feeder in between and by the use of that portion of the wick which covers the bulb of one of the thermometers ... | 10/18/1983 |
| 4357824 | Method for determining volatilization rates of dissolved volatiles from solid waste materials A cylinder containing a vacuum lid opening at one end and a tee connector is used as a containment vessel to measure the rate of volatilization of dissolved volatiles from solids. One end of the tee is connected to a vacuum pump and the other end is attac... | 11/09/1982 |
| 4324132 | Apparatus and method for measuring the rate of evaporation of a liquid An evaporimeter is formed of a capillary tube hydraulically coupled to a sheet of filter paper to form a capillary system establishing hydraulic continuity of liquid between the tube and the surface of the filter paper. The rate of evaporation from the su... | 04/13/1982 |
| 4013038 | Apparatus for controlling the temperature of a liquid body Apparatus for controlling the temperature of an open liquid body when actual measurement of that temperature is not possible. A thermal analog of the liquid body, which is exposed to the same heating or cooling source as the liquid body, is incorporated i... | 03/22/1977 |
| 4012278 | Feed water and condensate sample analyzer for power plants A pressure column of the analyzer communicates with a concentrator made up of a plurality of series-connected evaporators. Arranged at the outlet of a first evaporator is an electroconductivity sensor whose output signal indicates ammonia concentration, a... | 03/15/1977 |
