Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 8141433 | Leak detector A method of measuring the gas flow of an incondensable gas in a flowing mixture of said incondensable gas and a condensable gas comprising the steps of calibrating a leak detector; injecting a known quantity of gauge gas at a known mass flow rate into said flowing m... | 03/27/2012 |
| 7861601 | Measurement of liquid flow in porous media by tracer dilution without continuous mixing A natural gradient, single well, tracer dilution non-continuous mixing apparatus and method for measuring flow of liquids through porous media are described. The method has been applied to concentrations of Light Nonaqueous Phase Liquid (LNAPL) in monitoring wells t... | 01/04/2011 |
| 7469597 | Tracer measurement in multiphase pipelines The present invention relates to a method for measurement of total phase volumes in multiphase flow in pipelines. The multiphase fractions comprise hydrocarbon liquid phase and/or water phase and/or transported solid phases. One or more tracers are injected into the... | 12/30/2008 |
| 7334486 | Device and method for measuring fluid fluxes, solute fluxes and fracture parameters in fracture flow systems An improved method and apparatus for simultaneously monitoring the magnitudes and directions of fluid fluxes and dissolved contaminants fluxes of a general flow system in both simply and multiply screened monitoring wells as well as unscreened boreholes is provided.... | 02/26/2008 |
| 7325443 | Sampling device and method for measuring fluid flow and solute mass transport A device and a method for measuring fluid flow and solute mass transport in flow systems includes a casing (1) having inlet (3) and outlet (9) openings and a fluid passageway therebetween, the casing containing at least one fluid permeable insol... | 02/05/2008 |
| 7297280 | Method and apparatus to measure blood flow in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the venous line... | 11/20/2007 |
| 7281435 | Measurement of non-aqueous phase liquid flow in porous media by tracer dilution A method and apparatus for measuring in situ flow of non-aqueous phase liquids (NAPLs) through a porous medium is described. A tracer is introduced into a well or boring located in the medium and the tracer concentration in the well kept uniform by mixing. The rate ... | 10/16/2007 |
| 7278325 | Method and apparatus to measure flow rate A method and apparatus for measuring the flow rate of a single phase fluid, particularly a gas, through a conduit. A pulse of tracer fluid is discharged or injected into a first fluid flowing through a conduit, the concentration of the tracer fluid is measured as a ... | 10/09/2007 |
| 7275447 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 10/02/2007 |
| 7225683 | Composition pulse time-of-flight mass flow sensor A device for measuring fluid flow rates over a wide range of flow rates (10 μL/min) and at pressures at least as great as 2,000 psi. The invention is particularly adapted for use in microfluidic systems. The device operates by producing compositional ... | 06/05/2007 |
| 7207228 | Tracer airflow measurement system (TRAMS) A method and apparatus for measuring fluid flow in a duct is disclosed. The invention uses a novel high velocity tracer injector system, an optional insertable folding mixing fan for homogenizing the tracer within the duct bulk fluid flow, and a perforated hose samp... | 04/24/2007 |
| 7094326 | Electrodes for microfluidic applications An electrode device for high pressure applications. These electrodes, designed to withstand pressure of greater than 10,000 psi, are adapted for use in microfluidic devices that employ electrokinetic or electrophoretic flow. The electrode is composed, generally, of ... | 08/22/2006 |
| 7066972 | Continuous tracer generation apparatus The invention provides an apparatus for online and on-site tracer generation for tagging natural gas stored in underground storage fields wherein feedstock is drawn from a feedstock source. The feedstock undergoes initial analysis to determine hydrocarbon levels. Th... | 06/27/2006 |
| 7054759 | Concentration measuring method A concentration measuring method includes selecting a calibration curve optimum for computing the concentration of a measurement target substance from a plurality of calibration curves based on an output from a reaction system containing the target substance and a r... | 05/30/2006 |
| 6926838 | Method to measure blood flow and recirculation in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the venous line... | 08/09/2005 |
| 6881953 | Method of tracing drains The claimed method of tracing drains starts with a comprehensive building survey in which all existing drains are numbered. A Master Blueprint and a Master Spreadsheet are created using information collected in the building survey. A tracer is used to determine the ... | 04/19/2005 |
| 6809648 | Aerial sampler system An aerial sampler system includes an enclosure, a transfer system, and a measurement system. The enclosure is connected to an external surface of an aerial vehicle and receives atmospheric flow from the external surface of the aerial vehicle. The enclosure also dire... | 10/26/2004 |
| 6675660 | Composition pulse time-of-flight mass flow sensor A device for measuring fluid flow rates over a wide range of flow rates (10 μL/min) and at pressures at least as great as 10,000 psi. The invention is particularly adapted for use in microfluidic systems. The device operates by producing co... | 01/13/2004 |
| 6616823 | Systems for monitoring and controlling fluid flow rates in microfluidic systems The present invention generally provides methods and systems for monitoring and controlling electroosmotic flow rates in microfluidic systems. Generally, such methods and systems monitor flow rates in electroosmotically driven microfluidic systems by flow... | 09/09/2003 |
| 6554775 | Analysis of blood flow Absolute volumetric blood flow of the ocular fundus is quantified using video frames of fluorescent particles circulating in the retina and choroid. An optical apparatus is used to identify movements of particles in a passage of interest, and methods are ... | 04/29/2003 |
| 6514419 | Method to measure blood flow and recirculation in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the ... | 02/04/2003 |
| 6452371 | Differential conductivity hemodynamic monitor A flow rate of a fluid flowing in a tube is quantitatively determined by altering the electrical conductivity of the fluid by injection of a bolus of saline. The electrical conductivity of the altered conductivity is measured over the time it takes the al... | 09/17/2002 |
| 6401547 | Device and method for measuring fluid and solute fluxes in flow systems An improved method and apparatus for simultaneously monitoring the fluid flux, and the dissolved contaminants fluxes, in a flow field is provided comprising the use of a permeable unit containing an insoluble sorbent matrix that retains dissolved contamin... | 06/11/2002 |
| 6386050 | Non-invasive fluid flow sensing based on injected heat tracers and indirect temperature monitoring A system and method for measuring flow rate within a fluid-bearing passageway include introducing heat fluctuations into the flow and then non-invasively monitoring the effects of the heat fluctuations propagating to or from one or more interrogation regi... | 05/14/2002 |
| 6280635 | Autocycle control of cooling water systems An autocycle method to control a cooling water system comprising the steps of: a) adding a treatment product to said cooling water system, with said treatment product comprising inert tracer and tagged treatment polymer in a set proportion; b) providing a... | 08/28/2001 |
| 6189388 | Access flow monitoring using reversal of normal blood flow A method and apparatus in which the blood flow in a fistula is determined by comparing the property of blood entering the fistula to the property of blood being withdrawn from the fistula as the blood in the fistula flows in the direction which is the rev... | 02/20/2001 |
| 6176125 | Exhaust gas flow measuring equipment for internal combustion engines and processes for calibrating sensitivity of trace gas flow meters An exhaust gas flow rate measuring equipment for internal combustion engines supplies helium gas only to a trace gas analyzer. The condition in which the inside of the trace gas analyzer in the high-vacuum stage causes pressure fluctuation due to the visc... | 01/23/2001 |
| 5900726 | Differential conductivity hemodynamic monitor A flow rate of a fluid flowing in a tube is quantitatively determined by altering the electrical conductivity of the fluid by injection of a bolus of saline. The electrical conductivity of the altered conductivity is measured over the time it takes the al... | 05/04/1999 |
| 5830365 | Means for determining hemodynamic parameters during extracorporeal blood treatment The invention relates to a means for determining hemodynamic parameters, such as cardiopulmonary recirculation, fistula flow and cardiac minute output during an extracorporeal blood treatment, in which blood is conducted to a dialyzer (3) by way of arteri... | 11/03/1998 |
| 5828712 | Coolant water flow rate test with rubidium nuclear tracer for reactors Fluid flow rates are determined with a nonradioactive tracer agent in the operation of a water cooled nuclear fission reactor employed for driving electrical power generators. The technique is proposed for use to routinely calibrate other flow measuring m... | 10/27/1998 |
| 5685989 | Method and apparatus to measure blood flow and recirculation in hemodialysis shunts The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial line leading from the shunt at a location downstream of the ... | 11/11/1997 |
| 5672827 | Method for measuring the flow rate of a species contained in an exhaust gas stream of a combustion process Provided is a method for determining gas flow rates in an exhaust gas stream from a combustion process by measuring the amounts of a tracer gas inherently present in a gas used in the combustion process at a point upstream from the exhaust gas and at a po... | 09/30/1997 |
| 5594179 | Tracer type flowmeter and method using two or more injected trace materials An improved flowmeter apparatus and method for accurately determining the liquid flow rate in a conduit and the mass flow rate of selected pollutant components entrained in the flow stream characterized by injecting at least two trace materials into the f... | 01/14/1997 |
| 5567885 | Measuring fluid flow rate A dilution technique for measuring the flow rate of a fluid stream includes injecting a tracer gas into a gas stream and then introducing the resulting tracer stock gas stream at a constant flow rate into the fluid stream. The concentration of tracer stoc... | 10/22/1996 |
| 5454271 | Method and apparatus for measuring powder flow rate A powder flow rate is measured based on a simple construction so as to provide method and apparatus for measuring the powder flow rate for example of a powder coating material, requiring less maintenance cost and facilitating change of color of the coatin... | 10/03/1995 |
| 5339694 | Monitoring probe for groundwater flow A monitoring probe for detecting groundwater migration. The monitor features a cylinder made of a permeable membrane carrying an array of electrical conductivity sensors on its outer surface. The cylinder is filled with a fluid that has a conductivity dif... | 08/23/1994 |
| 5171450 | Monitoring and dosage control of tagged polymers in cooling water systems Method of determining treating agent concentration added to a water recirculating system to enhance efficiency by inhibiting scaling or corrosion or settling of particulates; the treating agent bears an amine-containing fluorescent moiety tag covalently b... | 12/15/1992 |
| 5063772 | Method for troubleshooting gas-lift wells A method is provided for troubleshooting gas-lift wells, to identify whether gas-lift valves on the production tubing are open or closed, without the use of wireline tools. The method may also be used to detect leaks in the production tubing or in the wel... | 11/12/1991 |
| 4972704 | Method for troubleshooting gas-lift wells A method is provided for troubleshooting gas-lift wells, to identify whether gas-lift valves on the production tubing are open or closed, without the use of wireline tools. The method may also be used to detect leaks in the production tubing or in the wel... | 11/27/1990 |
| 4966711 | Transition metals as treatment chemical tracers Methods for utilizing transition metals as tracers in aqueous liquid systems are provided by this invention. Transition metals with low background levels in system waters are identified as preferred when soluble in said aqueous liquid systems. The transit... | 10/30/1990 |
