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| Number | Title | Issue Date |
| 7275417 | Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced va... | 10/02/2007 |
| 7273075 | Brush-sieve powder-fluidizing apparatus for feeding nano-size and ultra-fine powders A powder-fluidizing apparatus is presented which is applicable to feeding ultra-fine and nano-size powders, and powders with a broad particle size distribution, in a uniform manner over a long period of time. Generally, this is accomplished by using a rotating brush... | 09/25/2007 |
| 7159623 | Apparatus and methods for estimating vehicle fuel composition A method of estimating composition of fuel in the fuel tank of a vehicle. A refuel event is detected. Fuel consumption is monitored during a plurality of stages after the refuel event. A plurality of fuel trim shift values are determined relative to the stages. The ... | 01/09/2007 |
| 6968868 | Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance. The dispensing of liquid fuel into a tank by a gas pump nozzle displaces a mixture of air and fuel ullage vapor in the tank. These displaced vapors may be recovered at the dispens... | 11/29/2005 |
| 6964283 | Fueling system vapor recovery and containment performance monitor and method of operation thereof A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces a mixture of air and fuel ullage vapor in the tank. These displaced va... | 11/15/2005 |
| 6938637 | Emergency gas and electricity shutoff apparatus and control system A gas meter installation including gas supply plumbing and point of use plumbing will have a gas meter therebetween. A valve can be installed with the gas meter for shutting off the flow of gas to the point of use. This valve is preferably a gate valve mounted with ... | 09/06/2005 |
| 6935356 | Underground storage tank metering system in a service station environment A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter measures the total amount of fuel drawn from the underground storage tank.... | 08/30/2005 |
| 6929018 | Underground storage tank metering system in a service station environment A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter measures the total amount of fuel drawn from the underground storage tank.... | 08/16/2005 |
| 6901786 | Fueling system vapor recovery and containment leak detection system and method A method and apparatus for monitoring a fuel vapor recovery system to determine if a leak condition exists in either the vapor return passage in a fuel dispenser or a common vapor return pipe. An air-flow sensor (AFS) may be located in the common vapor return pipe f... | 06/07/2005 |
| 6851628 | Nozzle for dispensing liquid in a container A nozzle is provided including with a nozzle body having an inlet for receiving liquid, an outlet for dispensing liquid, and a liquid passage extending between the inlet and the outlet. The nozzle includes a valve assembly adapted to selectively control the flow of ... | 02/08/2005 |
| 6655422 | Computer controlled apparatus and method of filling cylinders with gas A method of filling a cylinder with a target weight of a gas. The method includes successively measuring weight of the cylinder at periodic time intervals to obtain successive actual weights of the cylinder; opening a first valve and filling the cylinder ... | 12/02/2003 |
| 6634395 | Double poppet valve for precise shut off of fuel dispensing nozzle A fuel dispensing nozzle incorporating a double poppet valve assembly enables a user to more controllably and accurately dispense fuel through the nozzle. The double poppet valve assembly has a larger outer poppet and a smaller inner poppet, such that the... | 10/21/2003 |
| 6595250 | Mobile fluid product filling system with fast setup A fluid filling system has a filling unit which is repositionable with respect to a filling station. The filling unit includes a filling head and a dispensing switch. The filling station has a filling position at which a container may be placed for fillin... | 07/22/2003 |
| 6289947 | Fuel tank system especially for motor vehicles and method for controlling and monitoring said system The invention relates to a method for filling a fuel tank (2) with a filling conduit (4). The fuel flow entering the tank is directed by a through flow sensor (53) in order to control and monitor the filling process. A particularly suitable tank system (1... | 09/18/2001 |
| 6182718 | Pass-through dispenser system with aligned feeder troughs A dispensing system using dual linear vibratory feeders, aligned along their longitudinal axes with their dispensing ends at substantially the same vertical location. The feeder trough of one feeder penetrates the structure of the other feeder, allowing t... | 02/06/2001 |
| 5965447 | Pretreating apparatus for analytic container and automatic filling system A filling process for filling an analytic liquid in a container is optically accurately and automatically carried out using a laser beam. An automatic filling system is capable of automatically and continuously cleaning and drying the container in pretrea... | 10/12/1999 |
| 5868179 | Precision fuel dispenser The invention provides a fuel dispenser for a dispensing system having a receiver capable of receiving fueling parameters transmitted from the vehicle. The fueling parameters relate to information about tank size, ullage, maximum allowed fueling rates and... | 02/09/1999 |
| 5794667 | Precision fuel dispenser A fuel dispenser for delivering fuel along a fuel delivery path, a flow rate modulator in the fuel delivery path and a control system operatively associated with the flow rate modulator for regulating the rate of flow in the fuel delivery path during a fu... | 08/18/1998 |
| 5787942 | Float-type shut off device for a cryogenic storage tank A snap-action flow interrupt device for terminating flow into a cryogenic storage container utilizes the momentum of the incoming liquid spray as a means of maintaining a float in a submerged position until the proper liquid level is attained. The incomin... | 08/04/1998 |
| 5756155 | Combination nozzle and vacuum hood that is self cleaning The invention provides a combination of a nozzle and a vacuum hood. The vacuum hood has a chamber that surrounds the tip of the nozzle and removes residue from the tip by a vacuum which flows in the chamber past the nozzle tip. This vacuum catches and rem... | 05/26/1998 |
| 5649577 | Method and apparatus for automatically stopping the process of filling of a tank with a liquid under gas or vapor pressure The invention described in the patent comprises a method and an apparatus for automatically stopping the process of filling of a tank or container with a liquid, where the liquid must always be maintained under a gas or vapor pressure higher than atmosphe... | 07/22/1997 |
| 5584324 | Automated product draining method for a packaging machine A clean, automated product draining method for a packaging machine is set forth. The method includes the following steps: draining product from a product tank through a filling tube; and controlling a rate at which the product is drained from the product ... | 12/17/1996 |
| 5515888 | Measuring weight by integrating flow The method comprises the steps of: controlling the flow of substance by means of the filler member; measuring, over successive time intervals, the instantaneous flow rate of substance filled into the receptacle; calculating the total weight of substance filled into... | 05/14/1996 |
| 5464047 | Method and apparatus for dispensing paint into containers A method of supplying a plurality of containers with liquid including the steps of introducing into a first container a first percentage of a predetermined final amount and subsequently introducing in steps additional liquid until said predetermined amoun... | 11/07/1995 |
| 5431200 | Apparatus for delivering metered quantities of a fluid substance An apparatus for delivering metered quantities of a fluid substance into a container, under the control of a programmable process unit, and a weighing device; a main storage tank is provided to fill by gravity a pressurizable auxiliary vessel connected to... | 07/11/1995 |
| 5402834 | Solution preparation system Solutions are prepared by accurately dispensing and weighing concentrated solutions of salts, acids and bases as well as water or organic solvent, and mixing to achieve homogeneity. The final solution may be stored or used directly from the system.... | 04/04/1995 |
| 5388622 | Automatic shutoff valve A two-stage float actuated shut-off valve for use in underground fuel storage tanks utilizes a drop tube coaxially mounted within the storage tank fill pipe. Fuel flowing into the tank is passed through the drop tube which projects downwardly into the int... | 02/14/1995 |
| 5381837 | Mixing apparatus for powder materials A new powder mixing apparatus can mix a plurality of materials in a limited area of installment of apparatus by providing a plurality of container devices on both sides of a movement device so that the movement device carrying a mixing vessel can move rec... | 01/17/1995 |
| 5375634 | Variable mass flow rate fluid dispensing control A liquid dispensing and control system having dispensing nozzles positioned for dispensing into a receptacle on a weight-sensing device, where all dispensing nozzles are respectively coupled to liquid pumps for delivering liquids from different containers... | 12/27/1994 |
| 5345979 | High efficiency vapor recovery fuel dispensing An apparatus for dispensing volatile liquid fuel with recovery of fuel vapors includes a fuel delivery system having a fuel delivery line and a pump in the line to pump fuel there-along to a nozzle. A vapor recovery subsystem includes a vapor return line ... | 09/13/1994 |
| 5340949 | Metering system capable of easily effecting high-accuracy metering for various works including sticky materials A plurality of pool hoppers (5) for storing a predetermined quantity of an object (W) of metering are each formed in the shape of a hollow, bottomless cylinder and are arranged side by side. A plurality of metering hoppers (7) for weighing a predetermined... | 08/23/1994 |
| 5325653 | Container filling apparatus A machine for filling fruit or other items into containers, and including a conveyor for feeding items to a location from which they are dropped into a container, with a member being provided near the discharge end of the conveyor for contacting the items... | 07/05/1994 |
| 5287896 | Method and apparatus for measuring out by weight The method comprises the following steps: inserting a substance into a receptacle with at least one filling stage of fixed duration during which filling is performed at a servo-controlled flow rate using a servo-control loop including a weighing member, a... | 02/22/1994 |
| 5213140 | Method and apparatus for filling drums with immiscible liquids such as white phosphorus and water A drum is filled with two liquids of different densities which are immiscible when combined, such as white phosphorus and water. The drum is positioned on a scale beneath a fill pipe. An actuator lowers the fill pipe into the drum. A quantity of water is ... | 05/25/1993 |
| 5148841 | Filling apparatus for filling receptacle with metered weights Filling apparatus for filling receptacles, the apparatus comprising a feed member connected to at least one filling spout via a flow control member connected to an output of a weight processing unit having an input connected to a weighing member in order ... | 09/22/1992 |
| 5141019 | Two stage automatic shutoff valve A two stage float actuated shutoff valve for preventing overfilling of an underground storage tank has a first float actuated valve flapper movable to a closed position to block a major portion of the fuel inlet passage of the underground tank when the le... | 08/25/1992 |
| 5137187 | Anti-spray fluid dispensing nozzle Anti-spray fluid dispensing nozzle for filling an open top container. The nozzle comprises an elongated fluid supply conduit establishing a fluid path between a source of pressurized fluid and the container to be filled. First and second valves are mounte... | 08/11/1992 |
| 5109894 | Vertical bottom-fill auger assembly A vertical bottom-fill auger assembly including a bottom-fill auger bowl containing an internal rotating agitator or wiper element, and a vertical moving carriage or bag handling mechanism including a traveling bag settler. The vertical movement of the ca... | 05/05/1992 |
| 5095937 | Two stage automatic shut off valve A two stage float actuated shutoff valve for use in underground fuel storage tanks having a co-axial vapor recovery system utilizes a drop tube co-axially mounted within the storage tank fill pipe. Fuel flowing into the tank is passed through the drop tub... | 03/17/1992 |
| 5042539 | Vertical bottom-fill auger assembly A vertical bottom-fill auger assembly including a bottom-fill auger bowl containing an internal rotating agitator or wiper element, and a vertical moving carriage or bag handling mechanism including a traveling bag settler. The vertical movement of the ca... | 08/27/1991 |
