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 |
| 7357142 | Apparatus for continuously aspirating a fluid from a fluid source An apparatus for continuously aspirating a fluid from a fluid source. A vacuum source is operatively connected to a first container forming a first chamber and a second container forming a second chamber. A fluid collection tube provides communication between the fl... | 04/15/2008 |
| 7337794 | Method and apparatus for the delivery of compressed gas in the field The invention is a method and apparatus for delivering large volumes of nitrogen gas, air, or other gas at high pressures from banks of high pressure cylinders and releasing that gas at the rate required by the operation. Not only can higher flow rates be achieved, ... | 03/04/2008 |
| 7325561 | Hydrogen vehicle gas utilization and refueling system A system for increasing the overall efficiency of a hydrogen fueled vehicle and refilling station infrastructure wherein the process of (1) consuming pressurized hydrogen gas that is stored in on board tanks used to power hydrogen fueled motor vehicles and (2) refue... | 02/05/2008 |
| 7311116 | Gas regulation system and process for operating the gas regulation system A gas regulation system includes a manifold, a plurality of control modules in fluid communication with the manifold, and a power source. Each control module includes an actuatable valve that is in fluid communication with an associated gas storage device and in ele... | 12/25/2007 |
| 7287543 | Hydraulic device A hydraulic device is provided herein. The hydraulic device mainly contains a reservoir having an airbag inside. The reservoir is provided with an inlet pipe and a plurality of outlet pipes, both extended from a top side of the reservoir. The inlet pipe receives wat... | 10/30/2007 |
| 7201178 | Continuous chemical feeder and method of use thereof A method of providing a continuous, sequential, and cyclic, if desired, liquid feed to a processor from a plurality of containers, which comprises feeding the liquid from a first of the containers through a first conduit to a reservoir having a float valve, to keep ... | 04/10/2007 |
| 7192558 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 03/20/2007 |
| 7168442 | Liquid handling system A liquid handling system transfers liquid (e.g. water, bearing marine animals) between two tanks each having a respective liner which is movable between a lining position (when filled with liquid) and an inverted position (when its respective tank is emptied). In an... | 01/30/2007 |
| 7118918 | Automated biological reaction method An automated immunostaining apparatus having a reagent application zone and a reagent supply zone. The apparatus has a carousel slide support supporting a plurality of slide supports thereon, and drive engaging the carousel slide support for consecutively positionin... | 10/10/2006 |
| 7044152 | Apparatus for in-situ remediation using a closed delivery system A pressurized delivery system for in-situ delivery of sub-soil remediation compounds to underground contaminated matter includes a liquid diaphragm pump connected to an inflow source of water, the pump being also in fluid communication with a plurality of bioslurry ... | 05/16/2006 |
| 6886582 | Spare fuel tank in a fuel tank of a vehicle A spare fuel tank, installed inside a main fuel tank, having a reasonable volumetric capacity, of small box shape, and having a spare fuel suction pipe there from to the fuel injection pipe. The spare tank of this invention is manufactured at the same time with the ... | 05/03/2005 |
| 6666226 | Series/parallel relief valve for use with aircraft gaseous oxygen system A reliable and economical apparatus for relieving pressure in a large aircraft cabin oxygen supply, where multiple oxygen cylinders are used concurrently. A series-parallel array of valves actuated by changes in differential pressure between the oxygen su... | 12/23/2003 |
| 6659122 | Dual tank simultaneous fill system A fuel supply system for an automotive vehicle having an internal combustion engine, comprises a fluid inlet line configured to receive fuel from a vehicle refueling station. A manifolded Y-connector includes an inlet port at an upper end of the Y-connect... | 12/09/2003 |
| 6530393 | Fuel tank and fuel tank filling arrangement A fuel tank for a motor vehicle has at least one reservoir which is arranged within the fuel tank, and a fuel pump associated with the reservoir. A filling conduit for filling the tank with fuel is of such a design that at least a partial flow of the fuel... | 03/11/2003 |
| 6508265 | Dual fuel tank system with single fuel nozzle A dual fuel tank (10) including first fuel tank (12) and a second fuel tank (14). A single fuel hose (16) allows fuel to enter the first fuel tank (12) from an outside source. When the fuel level in the first fuel tank (12) reaches an overflow level (17),... | 01/21/2003 |
| 6450193 | Flammable liquids An aircraft fuel tank (101) comprises an inner and an outer chamber (103, 105) which are fluidly interconnected via a plurality of open-ended pipes (109). A non-flammable gas, which is immiscible with the fuel (119), is pumped into the outer chamber (103)... | 09/17/2002 |
| 6314978 | Reciprocating feed system for fluids To produce a high pressure stream of fluid, such as propellant, the fluid is transfered from a low pressure reservoir into a plurality of intermediate storage tanks, in which the fluid is pressurized. The fluid is drained from the storage tanks to an outl... | 11/13/2001 |
| 6269851 | Filling pipe In the case of a filling pipe for a fuel tank a branching element is arranged in a section of the filling pipe. The flow of the inflowing fuel preferably runs along an outer wall of the filling pipe, so that a subflow is in each case conducted directly to... | 08/07/2001 |
| 6240868 | Containment structure and method of manufacture thereof A marine gas storage and transport system formed of small diameter steel pipe, which is coiled and stacked in a specific manner. The system is suitable for use on top of a barge or inside the holds of a ship, when contained within a secondary containment ... | 06/05/2001 |
| 6216755 | Method and device for filling containers A device for simultaneously filling a container serving as a fuel tank and a container serving as a reducing-agent container with a single pump nozzle is used for environmentally friendly internal combustion engines with exhaust-gas purification systems r... | 04/17/2001 |
| 6209594 | Filling pipe In the case of a filling pipe for a fuel tank a branching element is arranged in a section of the filling pipe. The flow of the inflowing fuel preferably runs along an outer wall of the filling pipe, so that a subflow is in each case conducted directly to... | 04/03/2001 |
| 6206027 | Tank for pressurized fluid, in particular for liquefied gas The tank is made up of a plurality of elementary tanks such as tubes (20) connected in parallel to at least one manifold device (30, 32), and it includes closure valves enabling any one of the elementary tanks to be isolated in response to a drop in the p... | 03/27/2001 |
| 6158485 | Filling device In the case of a filling device for a motor vehicle fuel tank, a distributing element extends from a filling nozzle to an anti-surge tower of the motor vehicle. When there is a low volume flow of fuel in the filling nozzle, the distributing element suppli... | 12/12/2000 |
| 6125876 | Apparatus and process for delivering an abrasive suspension for the mechanical polishing of a substrate An apparatus for delivering abrasive suspensions includes a reservoir containing an abrasive suspension, a loop for delivering the abrasive suspension to a point of use, the loop being connected to the reservoir, a pumping arrangement for circulating the ... | 10/03/2000 |
| 6089282 | Method for recovery and reuse of gas A gas recovery and reuse/recycle method is disclosed which can readily and economically recover valuable and/or environmentally hazardous gases from a manufacturing or chemical process and then return the gas to the process for reuse, and repeat this many... | 07/18/2000 |
| 6085762 | Apparatus and method for providing pulsed fluids There is provided a method and apparatus for supplying pulsed fluids to pressure vessels which comprises: at least one reservoir for the fluid to be pulsed; valved conduits connecting the reservoir to a pump; a conduit with control valves from the pump to... | 07/11/2000 |
| 6070610 | Fluid operated timer for a plurality of reservoirs A fluid operated timer includes an input for the fluid, a reservoir receiving fluid from the input, an actuator responsive to the fluid pressure in the reservoir reaching a threshold value, wherein the reservoir includes a plurality of separate reservoirs... | 06/06/2000 |
| 6058954 | Supply and collection of solutions It is known to supply solution to a process and to collect effluent therefrom using `bag-in-box` arrangement each having a predetermined volume. However, if the process must be supplied with greater volumes of solution, the use of larger `bag-in-box` arra... | 05/09/2000 |
| 6014995 | Onsite petrochemical storage and transport system An onsite petrochemical storage and transport system comprising a land based facility, which provides storage at a well site for hydrocarbon reservoir products which include gas, oil and water at a high pressure. The pressurized mixture is transferred, by... | 01/18/2000 |
| 5951050 | Integral reservoir for tank The present invention is a system for storing and supplying a maximum amount of fuel from a fuel tank while maintaining a simple structure which is easy to gain access to and repair. The fuel tank structure includes a main fuel tank with an integral inter... | 09/14/1999 |
| 5873383 | General service water storing equipment Three storage vessels 11-13 are stacked at positioned lower than a rainwater gutter 14. The rainwater gutter and the first storage vessel 11 are connected by a first supply passage 21, the second supply passage 22 connected to a lower face of the first st... | 02/23/1999 |
| 5832948 | Liquid transfer system The liquid transfer system includes a liquid supply tank and at least two pressurizable liquid holding vessels. The liquid holding vessels are placed beneath the supply tank, and a liquid supply line connects the supply tank to each vessel. The liquid sup... | 11/10/1998 |
| 5722447 | Continuous recirculation fluid delivery system and method A fluid delivery system (10, 210) is disclosed that includes a pipeline network (20, 220) having a chemical supply line (12, 14, 212), a filtering system (134, 235), a feeding portion (24, 224), and a return portion (26, 226). A first tank (28, 228), a se... | 03/03/1998 |
| 5673735 | Process for storing and delivering gas A process for storing and delivering gas. In the first step of this process, a multiplicity of at least four gas banks is filled with compressed gas to a specified pressure, the gas pressure in each of the gas banks is sequentially measured, a control sys... | 10/07/1997 |
| 5653255 | Sewage treatment system A sewage treatment system includes a pair of substantially identical unitary fluid treatment modules, each module having a central sedimentation tank surrounded by a peripheral wetland. The sedimentation tanks are coupled through a dosing device to an inp... | 08/05/1997 |
| 5636665 | Method and apparatus for filling and emptying of tank vehicles A method and apparatus for collectively filling and emptying fluid in a plurality of tanks, particularly in a railway train. The apparatus enables filling and emptying via a hook-up at the filling terminal or discharge terminal.... | 06/10/1997 |
| 5502685 | Continuous batch mix sprayer The invention provides a chemical mixture device that avoids the mixing of large batches of chemicals and provides a continuous and precisely mixed mixture. For mixing water and a chemical, a large water tank and a chemical tank supply water and chemicals... | 03/26/1996 |
| 5197443 | Fuel system for diesel truck A fuel system for a diesel truck has a first fuel tank (80) and a second fuel tank (82). A siphon line (90) is open to the lower portions of the tanks and extends above the upper portions of both tanks. A manually operated priming pump (98) is used to rem... | 03/30/1993 |
| 5105845 | Control apparatus for regulating liquid levels in liquid storage tanks A control apparatus for regulating liquid levels in liquid storage tanks to supplement a liquid supply serving a liquid operational system which includes a normally full primary liquid storage tank operable to selectively supplement the liquid supply serv... | 04/21/1992 |
| 4997003 | Liquid waste evacuation and transfer system A method and apparatus for evacuating and transferring liquid waste comprising a pump assembly that is connected to a holding tank and to a liquid container; the pump assembly being mounted on a wall and elevated above the holding tank; the pump assembly ... | 03/05/1991 |
