Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8122903 | Close-coupled purgeable vaporizer valve A method and system are provided for an integrated fluid and vapor delivery system design that optimizes vapor delivery. The method and system utilize a purgeable valve assembly which is closely coupled to a vaporizer. The purgeable valve assembly includes a liquid ... | 02/28/2012 |
| 7621291 | Fuel tank with specialized tank outlet for spacecraft A fuel tank of a spacecraft stores a liquid fuel and a pressurized propellant gas that drives the fuel out of the tank though a fuel extraction arrangement including a reservoir or fuel collection container and a tank outlet. A spiraling or J-shaped or hook-shaped f... | 11/24/2009 |
| 7395832 | Fuel tank for spacecraft A fuel tank for a spacecraft stores a liquid fuel and a pressurized propellant gas that drives the fuel out of the tank through a fuel extraction arrangement including a reservoir or collection container and a tank outlet. The collection container bounds a fuel rese... | 07/08/2008 |
| 7360328 | Steam generating device and iron using the steam generating device The present invention discloses a steam generating device comprising a control circuit for monitoring the temperature and controlling water filling and heating and steam discharging, and a sealed container which is highly temperature resistant. An electric heating t... | 04/22/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7261120 | Device for splitting a two-phase stream into two or more streams with the desired vapor/liquid ratios A stream splitting device splits a two-phase inlet stream into two or more outlet streams having nearly identical vapor-to-liquid ratios. The inlet stream is directed into a separator vessel containing an impingement plate to decrease the velocity of the stream and ... | 08/28/2007 |
| 7239967 | Method, computer program product and use of a computer program for stabilizing a multiphase flow A method for stabilizing a multiphase flow in a flow line, where instability of the multiphase flow is caused by at least one slug. At least one pressure variable is continuously measured at a flow line inlet upstream of the point where the main part of the slug is ... | 07/03/2007 |
| 7222638 | Vortex minimizing fluid gathering and transferring apparatus A liquid gathering and transferring apparatus for gathering liquid from a liquid source containing a quantity of liquid having a liquid surface and containing debris and discharging the liquid into a liquid receiving location includes an intake chamber having a cham... | 05/29/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 6044857 | Electronic controller for a modulating valve A valve control circuit is disclosed for operating a modulating valve which can be operated between a completely open and a completely closed position. The modulating valve control circuit includes a microcontroller which receives an input signal from an ... | 04/04/2000 |
| 5701924 | Apparatus and method for detecting and handling liquid separation in liquid emulsions An apparatus and method for detecting and handling liquid separation in a liquid emulsion disposed in a tank 1 by preventing separated liquid from entering a withdrawal conduit 3 disposed in the lower portion of the tank 1 by a apparatus comprising a pump... | 12/30/1997 |
| 5653250 | Vapor-liquid equilibrium and interfacial tension measuring apparatus and method An apparatus and method for facilitating the attainment of thermodynamic equilibrium and for measurement of interfacial tension of mixtures. A fixed volume chamber is connected at an upper end face and lower wall portion of the chamber to a first variable... | 08/05/1997 |
| 5494067 | Device for regulating and damping a multiphase flow The characteristics of a device for regulating and damping the composition fluctuations of a multiphase flow comprising a tank or surge drum and a sample tube located between a source of effluents and a multiphase pump are optimized by selecting the volum... | 02/27/1996 |
| 5293895 | Liquid management apparatus for spacecraft In a liquid storage tank 10 for use on a spacecraft, a transfer apparatus 15 (comprising gathering vanes 33, an elongate array of fins 32, and a sponge structure formed from panels 31) functions to transfer liquid from the inner surface of the tank 10 to ... | 03/15/1994 |
| 5279323 | Liquid management apparatus for spacecraft In a liquid storage tank 10 for use on a spacecraft, a transfer apparatus 15 (comprising gathering vanes 33, an elongate array of fins 32, and a sponge structure formed from panels 31) functions to transfer liquid from the inner surface of the tank 10 to ... | 01/18/1994 |
| 5064153 | System for determining the depletion of propellant tanks onboard a spacecraft A system in which a surface tension device is connected at the outlet of the propellant tanks, said surface tension device having surface tension gas barrier means, the presence of gas bubbles at the inlet of said surface tension device is detected and a ... | 11/12/1991 |
| 4846854 | System for venting gas from a liquid storage tank Gas is vented from a non-cryogenic liquid storage tank 12 while discharging pressurized liquid from a tube 18 into the tank through a plurality of inclined jets 54, 56 circumferentially spaced about an end of a vent tube 20 positioned within the tube 18. ... | 07/11/1989 |
| 4768541 | Means of expelling parallel tanks to low residuals A multiple tank flow system is provided in which a plurality of liquid storage tanks or reservoirs are connected with their outlets in parallel with the piping arranged so that the outlet from each tank shall have the same or similar pressure drop at a sp... | 09/06/1988 |
| 4754854 | Pin boot protector in disc brake assembly A disc brake assembly includes a stationary support member mounted on a vehicle body structure and having at least one support pin fixed thereto, a caliper member slidably supported on the support pin to be movable in an axial direction, and a tubular ela... | 07/05/1988 |
| 4743278 | Passive propellant management system A passive propellant management system for a spacecraft liquid propellant tank (1) comprises several preferably V-shaped channels (2) which communicate liquid propellant from regions within the tank (1) to an outlet port (8), which expels liquid propellan... | 05/10/1988 |
| 4733531 | Liquid-propellant management system with capillary pumping vanes In a liquid-propellant management system for providing substantially gas-free liquid propellant to thrusters of a space vehicle, a storage tank (10) has an opening (11) through which liquid propellant is delivered via a line (13) to the thrusters. A trap ... | 03/29/1988 |
| 4682622 | Pressure regulating valve To provide a pressure regulating valve which is self-powered and has no sliding parts, is capable of controlling fluid pressure to a fixed delta pressure above a sensed vapor pressure, and is otherwise suited for utilization in a two phase thermal managem... | 07/28/1987 |
| 4681129 | Apparatus for uniformly distributing a two-phase mixture The distribution apparatus is provided with a receptacle to which at least one supply line and at least one discharge line for a two-phase mixture are connected. A level which separates the liquid phase from the gas phase forms in the receptacle and may v... | 07/21/1987 |
| 4667694 | Safety valve for compressed liquid gas A safety valve for compressed liquid gas fuel tanks that has no man-movable parts and is completely automatic during the filling procedure. A movable piston within the valve body is responsive to pressure developing within an expansion chamber. The expans... | 05/26/1987 |
| 4641679 | Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device A feed device for a two-phase fluid pump enabling the pump to be supplied with a two-phase fluid having characteristics, especially the volumetric ratio of the gaseous phase to the liquid phase, compatible with the operating characteristics of the pump. T... | 02/10/1987 |
| 4627457 | Method and apparatus for treating a plurality of zones of a processing line The invention concerns an apparatus for and a method of treating a plurality of zones of a processing line with a liquid, the liquid comprising a treatment liquid and a carrier liquid, wherein the treatment liquid is introduced into pipes conveying the ca... | 12/09/1986 |
| 4626131 | Underground liquid storage system and method A storage system and method for storing a valuable liquid in a subterranean cavity with a displacing liquid such as brine. The valuable liquid, which normally has a density above or about that of the displacing liquid, is modified by dissolving therein sm... | 12/02/1986 |
| 4616669 | Mixing fluids A method for mixing hydrocarbons in a underground storage cavern using immiscible fluids is disclosed.... | 10/14/1986 |
| 4399831 | Surface tension storage tank The invention relates to a surface tension storage tank comprising a liquid outlet from where the liquid can be expelled under the action of a pressurant gas. A collector device issues into a chamber of a tubular device which also comprises a draining con... | 08/23/1983 |
| 4294274 | Hydrogen injection into gas pipelines and other pressurized containers A method of introducing hydrogen into a gas pipeline or other pressurized gas containers is disclosed. The method comprises feeding hydrogen from a low pressure source into the gas container through a barrier which is freely permeable to hydrogen but impe... | 10/13/1981 |
| 4203817 | Method of and device for moving liquid samples The invention is in concern of a method and a device for moving a liquid sample material in a measuring chamber, particularly for use in electrophoretic measurements. To permit precise measurements the remaining sample material is prevented from mixing wi... | 05/20/1980 |
| 4188967 | Method of generating liquid concentration gradients hydrostatically A hydrostatic gradient generator has a first liquid chamber and a second liquid chamber detachably attached to a base provided with a pressure regulator. The regulator has inlets, one for each chamber and in communication with the lower end thereof with t... | 02/19/1980 |
| 4051859 | Apparatus for draining fluid from a continuously evacuated space Apparatus for permitting drainage of fluids from an evacuated space is disclosed to comprise a casing having a fluid inlet pipe, a drain fitting and a gas by-pass fitting. The fluid inlet pipe extends within a chamber defined by the apparatus body to a po... | 10/04/1977 |
| 4027690 | Gravity-type steam accumulator A steam accumulator has an upright vertically elongated vessel provided internally with a guide that subdivides a body of hot water in the vessel into an outer upflow column and a central downflow column. This guide is at least partially formed as a downw... | 06/07/1977 |
| 4022687 | Method for the non-mechanical conveying of a collected quantity of liquid and apparatus for the performance of the method A method of, and apparatus for, the non-mechanical conveying of a collected quantity of liquid from a lower level to a higher level wherein through freeing of flow paths a quantity of a heavier liquid located at the higher level flows to the lower level a... | 05/10/1977 |
| 4014358 | Loading and unloading of combustible liquids on, and from tanker ships To load oil on tankers in which the tank holds are previously filled with water, for ballast, and to avoid the formation of explosive vapors, oil is introduced at a higher pressure level into the tank hold than the pressure required to displace the water,... | 03/29/1977 |
| 3976104 | Completely, draining, nonleaking pneumatic valve A valve system is provided for completely draining a vessel which may contain corrosive liquids and for preventing leakage until the vessel is to be drained. This is accomplished by providing the vessel with a throat at the bottom, an outlet tube connecte... | 08/24/1976 |
| 3948607 | Transfer system for use in analysis apparatus An automatic transfer system for transferring a reaction sample to a sample cell in analysis apparatus in which a transfer pump draws in slugs of sample separated by slugs of air, the slugs being obtained through a coordinated probe oscillation, bringing ... | 04/06/1976 |
