...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7691179 | Inducing air A mechanism configured to interact with air, which has been sucked through a device that imparts turbulence to the air, causes a redistribution of components (e.g., oxygen and nitrogen) in the air so that when the air arrives at a location where the oxygen is to be ... | 04/06/2010 |
| 7559975 | Process for transforming gas/liquid flow into laminar or stratified flow A process in connection with a pipe (1) for transforming a dispersed gas/liquid flow into laminar stratified flow. The solution involves a first set of stationary guide blades (6) arranged in the pipe (1) and designed to rotate the liquid/gas fl... | 07/14/2009 |
| 7219500 | Compressor fuel gas conditioner A compressor fuel gas conditioner for a natural gas well having a compressor which utilizes natural gas from the well as a fuel. The conditioner includes a vortex tube having an inlet to receive compressed natural gas from the compressor, a warm gas outlet for gas w... | 05/22/2007 |
| 6878185 | Method for separating fuel vapour-air mixtures and device for carrying out said method The subject of the present invention is a method and a device for the separation of fuel-vapor/air mixtures into their components, in particular for purification of vapor mixtures, such as occur in fuel tanks of motor vehicles. A preseparator is arranged between the... | 04/12/2005 |
| 6776825 | Supersonic separator apparatus and method An apparatus and method of removing a selected component from a stream of fluid containing a plurality of components is provided. The stream is induced to flow at supersonic velocity through a conduit so as to decrease the temperature of the fluid to below a selecte... | 08/17/2004 |
| 6372019 | Method of and apparatus for the separation of components of gas mixtures and liquefaction of a gas An apparatus for liquefying a gas has a nozzle having a convergent nozzle portion and a nozzle throat, and a divergent nozzle portion (in the case of supersonic flow), and a working section. Vanes or another mechanism for creating a swirl velocity are con... | 04/16/2002 |
| 6280502 | Removing solids from a fluid A method and apparatus are provided for removing solid particles from a particle containing stream of fluid, the method including the steps of: inducing the stream to flow at supersonic velocity through a conduit; inducing a swirling motion to the superso... | 08/28/2001 |
| 5939649 | Dynamic mobility selector for aerosol particles The invention concerns a dynamic particle mobility selector comprising two separate and parallel coaxial disks (30, 32) defining a dynamic selection zone (31), the upper disk comprising an annular slit with radius r1 and a central suction intak... | 08/17/1999 |
| 5554343 | Particle and light and heavy fluid separator A fluid centrifuge device for separating fluids and/or solids comprises a non-rotatable containment vessel (6) and a rotatable shroud (6A) of conical or other form within said vessel (6). The vessel (6) is located between an inlet assembly (2) including a... | 09/10/1996 |
| 5476537 | Separation of chemical species of a mixture using vortex separation An apparatus and method for separating chemical species of a mixture. A partially liquefied mixture having a mass fraction of less than 30% liquid is provided. This mixture is introduced in a tangential direction relative to and adjacent an inner surface ... | 12/19/1995 |
| 5383955 | Nitrogen oxides and sulfur oxides removal utilizing transport line adsorber Removal NOx and SOx from the flue gas utilizing a transport line adsorber through which sorbent is transported by pressurized flue gas to cause the sorbent to absorb NOx and SOx from the flue gas while the flue ... | 01/24/1995 |
| 5302188 | Nitrogen oxides and sulfur oxides removal utilizing transport line adsorber Removal of NOx and SOx from flue gas utilizing a transport line adsorber through which sorbent is transported by pressurized flue gas to cause the sorbent to adsorb NOx and SOx from the flue gas while the flue g... | 04/12/1994 |
| 5250231 | Nuclear fuel with isotopically depleted burnable absorber By using AVLIS or other methods capable of providing a depleted isotopic mixture, troublesome isotopes such as Gd154, Gd156 and Er166 are selectively removed from naturally occurring isotopic mixtures, while avoiding the a... | 10/05/1993 |
| 4820427 | Method of sequentially separating a medium into different components A method and vortex separator for sequential separation of a medium into different components by means of centrifugal force in a vortex array (2, 2) in a manner that part of the vortex flow (71) proceeds from the outer portions of a vortex (2) into the ou... | 04/11/1989 |
| 4801310 | Vortex chamber separator The invention concerns a process for separating and/or precipitating of solid and/or liquid particules (disperse phase) from gaseous and/or liquid media (continuous phase) as well as for separating mixed gases (gas-gas-separation) and/or mixed fluids (flu... | 01/31/1989 |
| 4565556 | Molecular and isotopic fractionating process and apparatus Disclosed is a molecular and isotopic fractionating process for gaseous mixtures, and apparatus wherein said process may be carried out. The gas mixture to be fractionated is subjected in the inside of a chamber to a helicoidal path and interfered in its free ... | 01/21/1986 |
| 4557912 | Air pollution reduction The method of reducing air pollution comprises treating air-polluting waste industrial flue gases containing sulfur dioxide in a manner effective to substantially reduce the content of sulfur dioxide therein and remove it in the form of a sulfuric acid by... | 12/10/1985 |
| 4359331 | Contactor-separator units Contactor-separator units of a sub-assembly in which an isotopic exchange between two immiscible phases takes place are associated in m lines and n columns. One of the phases leaving a contactor-separator unit is directly directed to the adjacent contacto... | 11/16/1982 |
| 4285701 | Method for separating isotopes using a vortex tube The present invention utilizes a vortex tube for separating isotopes. A gas mixture containing the isotopic molecules, with or without a carrier gas, enters the vortex tube under pressure and is separated into a hot discharge flow stream and a cold discha... | 08/25/1981 |
| 4255404 | Isotopic separation Method and apparatus for separating isotopes in an isotopic mixture of atoms or molecules by increasing the mass differential among isotopic species. The mixture containing a particular isotope is selectively irradiated so as to selectively excite the iso... | 03/10/1981 |
| 4162901 | Vortex gas separator A vortex gas separator for the separation of a gas mixture into first and second fractions. The operation of the separator depends on the principle that various gases interact with sorbent substances to greater and lesser degrees. The gas to be separated ... | 07/31/1979 |
| 4135898 | Device for centrifugally separating the components of a gas mixture In a device for separating the components of a gas mixture and especially isotopic species of different masses such as U235 and U238, the mixture is passed through a vessel having an axis of revolution and forms a vortex, the axis of... | 01/23/1979 |
| 4093427 | Method for separating isotopes The present invention utilizes a vortex tube for separating isotopes. A gas mixture containing the isotopic molecules enters the vortex tube under pressure and is separated into a hot discharge flow stream and a cold discharge flow stream. The hot dischar... | 06/06/1978 |
| 4092130 | Process for the separation of gas mixtures into component fractions according to their molecular or atomic weight A process is provided for separation of gas mixtures into component fractions according to their molecular or atomic weight. The mixture is subjected to the centrifugal force applied in a cone-shaped vortex having a diameter of not over 5 mm. at a gas fee... | 05/30/1978 |
| 4030890 | Solar power system An apparatus and method for separating hydrogen and oxygen from water molecules. A solar reflecting means reflects solar energy onto a water containing tank to boil water contained therein and form steam. The steam is transferred either to a turbine-gener... | 06/21/1977 |
| 4014981 | Removal of sulfur from stack gases Combustion products, especially those from electric power generating installations burning high sulfur fuels are treated to remove solids and then to separate physically sulfur containing constituents, such as SO2 and/or SO3 from oth... | 03/29/1977 |
| 3942330 | Gas drying apparatus and method Method and apparatus for removing oil and water vapors from compressed gas wherein process gas is first passed through an oil filter and a portion of the gas is then fed to a vortex tube. The cold gas output from the vortex tube is delivered to a gas-to-g... | 03/09/1976 |