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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8132456 | Fuel level indicator for riding lawn equipment A fuel level indicator for riding lawn equipment with a fuel tank pivotably mounted under the operator seat. A fuel level indicator arm is pivotably mounted under the fuel tank and has a first end contacting the fuel tank and a second end extending through an openin... | 03/13/2012 |
| 7770448 | Chemical storage device with integrated load cell A chemical storage device and a method for monitoring chemical usage are described herein. The device and disclosed method utilize a chemical storage canister and a load cell integrated into one transportable unit. The load cell is capable of compensating for the ad... | 08/10/2010 |
| 7735365 | Safe and accurate method of chemical inventory management on location The present invention provides a method of measuring an amount of a substance depleted from a storage unit, including the steps of: supporting the storage unit on a vehicle, measuring a first weight of the storage unit and any liquid substance contained in the stora... | 06/15/2010 |
| 7614298 | Opaque aerosol container capacity indicator Low cost capacity measuring display installed in a label that is attached to an opaque container to measure amount of contents therein. The indicator utilizes the weight of the opaque container in conjunction with a gel reservoir and capillary that is installed in a... | 11/10/2009 |
| 7267001 | Apparatus for securely mounting and continuously monitoring the weight of a liquified gas tank A bottle plate mates or is integrated with brackets for mounting a gas bottle atop the plate. An aft end of the bottle plate is spacedly affixed to a top of a base plate, the bottle plate being bendable about its aft end corresponding to the weight of a bottle mount... | 09/11/2007 |
| 7255003 | Device for measuring and displaying the amount of beer in a keg A scale for determining a quantity of material in a container such as a keg. The scale may include a support member configured to be placed under a portion of the container, a display to indicate the quantity of material in the container, and a weight sensor positio... | 08/14/2007 |
| 7240549 | Measurement of gas fuel amount A control unit 40 acquires acceleration α sensed by an acceleration sensor 31, and if the control unit 40 determines that acceleration α does not equal zero, the control unit 40 again acquires acceleration α. In the event that the cont... | 07/10/2007 |
| 7196277 | Device and apparatus for measuring the load in a chamber of a vehicle A cement mixer truck and a weight measuring system is provided, comprising a mixing chamber, at least one rear roller bearing assembly, and a front mounting assembly. The rear roller bearing assembly includes a roller bearing and a first weight measurement device. T... | 03/27/2007 |
| 7162923 | Adjustable floating open-water evaporation pan An improved evaporation pan assembly having at least three float assemblies attached to the outer side wall of a circular shaped evaporation pan located in 120 degrees increments. An anchor assembly is included having a steel pole driven into the bed sediment. An op... | 01/16/2007 |
| 7131618 | Gas cylinder base The invention comprises a ring-shaped support base comprising a first outer skirt portion supporting a second inner ring portion extending upwardly from the first outer skirt portion. The second inner ring portion is adapted to slidably engage a base ring attached t... | 11/07/2006 |
| 7067935 | Method for regulating the level of a dam installation and dam installation implementing the method Method of regulating a water level of a dam installation having a plurality of turbine generator units arranged to generate electrical power, wherein at least some of the plurality of turbine generator units are arranged at least one of one above another and one bes... | 06/27/2006 |
| 7036370 | Spring assembly with cantilevered spring rods A spring assembly and an apparatus incorporating the same. The spring assembly includes a base block configured to be rigidly fixed to a frame. A pair of nominally identical spring rods is cantilevered from the base block in a first direction. Each rod has a length,... | 05/02/2006 |
| 6997053 | Systems and methods for measurement of low liquid flow rates The invention relates to systems and methods of measuring low liquid flow rates. The system provides a controller, flow system components, and one or more load cells coupled to a collection vessel. The collection vessel includes a weir that serves as a passage to al... | 02/14/2006 |
| 6978671 | Gas tank gauge A device for measuring and indicating the volume of the contents of a tank includes a fixed base. A spring deflectable with to the base is also provided. The spring supports at least a portion of the tank weight. A visible connector is connected to the spring such t... | 12/27/2005 |
| 6968805 | Fuel level indicator for a portable fuel tank A fuel level indicator for a portable fuel tank comprises a base, a platform hingedly connected to the base, a biasing member between the base and the platform to bias one end of the platform away from the base, and a visual indicator. When the fuel level indicator ... | 11/29/2005 |
| 6954966 | Cleaner for use in nursing care A cleaner for use in nursing care including: a warm-water tank, a contaminated-water tank, a head assembly which sprays warm water supplied from the warn-water tank, and a suction mechanism which sucks water and contaminants along with air into the contaminated-wate... | 10/18/2005 |
| 6951213 | Portable barbecue grill A portable gas cooking grill apparatus comprising a grill having a hood and a firebox. It is preferable that the hood can be received by and seated upon the firebox, thereby enclosing the grill. A burner assembly, capable of heating the interior portion of the grill... | 10/04/2005 |
| 6932028 | Apparatus and method for determining a liquid level in a steam drum An apparatus for determining a density-compensated liquid level in a vessel containing a mixture of liquid and vapors comprises a temperature sensor which produces a signal that is proportional to the temperature of the mixture; and a processing apparatus that inclu... | 08/23/2005 |
| 6851314 | Apparatus and method for detecting a leak in a swimming pool An apparatus and method for detecting water loss from a swimming pool includes a first container having an upper end, a lower end, an inner cavity and at least one opening allowing swimming pool water to flow in and out of said inner cavity; a substantially waterpro... | 02/08/2005 |
| 6834544 | Liquid volume monitor for pressurized tanks A monitor for remote reading of liquid volumes in pressurized tanks utilizes a hollow buoyant displacement probe extending downwardly from a load cell carried adjacent a top port in the tank. The buoyant probe is optionally formed in detachable segments so that it c... | 12/28/2004 |
| 6787713 | Load cell and weighing system for cryogenic tanks A load cell and system for detecting the quantity of liquid carbon dioxide in a tank includes load cells positioned between the legs of the tank and a surface. Each load cell includes a frame constructed from a folded metal plate so that a top panel, sides and ends ... | 09/07/2004 |
| 6662643 | Liquid volume monitor for pressurized tanks A monitor for remote reading of liquid volumes in pressurized tanks utilizes a hollow buoyant displacement probe extending downwardly from a load cell carried adjacent a top port in the tank. The load cell is suspended from a flange cover acting as a clos... | 12/16/2003 |
| 6644344 | Method and apparatus for metering a flow rate of a fluid A method and apparatus for measuring the flow rate of a fluid based on the fluid weight. A container is provided between a fluid source and a fluid removal system. A valve is arranged between the fluid source and the container, to control the admitting of... | 11/11/2003 |
| 6532814 | Apparatus and method for detecting a leak in a swimming pool An apparatus and method for detecting water loss from a swimming pool includes a first container having an upper end, a lower end, an inner cavity and at least one opening allowing swimming pool water to flow in and out of said inner cavity; a substantial... | 03/18/2003 |
| 6513373 | Suspension support with volume indication for a LPG tank A suspension support with volume indication for a LPG tank comprising a slidable upright pole, a securing rail having an opening as a sliding path, a retractable restoring device, a plurality of suspension hooks and a measuring device with a display capab... | 02/04/2003 |
| 6410864 | Liquefied gas amount measuring device A liquefied gas amount measuring device includes an electronic display, a retractable cylinder, a grip element, and a hooking lug. The retractable cylinder includes a cylinder body having a retractable rod fitted with a spring at an intermediate section t... | 06/25/2002 |
| 6148667 | Pressure vessel isolation carriage A carriage assembly provides for holding a pressurizable vessel used in delivering fluid to a processing system, the pressurizable vessel having an elongated body defining a longitudinal axis, a first end, and a second end. The carriage assembly includes:... | 11/21/2000 |
| 6148668 | Gas grill tank scale An apparatus for indicating the amount of fuel in a fuel tank for a barbecue grill is disclosed. The apparatus includes a first housing member having indicator marks on an indicator wall thereof, a second housing member slidably engaging the first housing... | 11/21/2000 |
| 6003366 | Liquid level indicating method and system A liquid level indicating system includes a plastic link chain suspended in a container extending between a high level position and a low level position of a liquid in the container. A weighing device is positioned above the high level position of the liq... | 12/21/1999 |
| 5956780 | Vacuum flush waste disposal system for railcars A vacuum-operated waste disposal toilet system suitable for use on commercial passenger vehicles, in particular railcars, including at least one bowl for receiving waste material and a full-retention waste-holding tank connected to the bowl by a drain lin... | 09/28/1999 |
| 5927142 | System and method for determining drain pan fluid level A fryer drain pan fluid level sensing system includes a fryer frame and a fryer vessel mounted on the fryer frame. A drain pan carrying frame is pivotally affixed at a first carrying frame end to the fryer frame, and a drain pan mounted on the drain pan c... | 07/27/1999 |
| 5850757 | Apparatus for measuring the amount of liquid in a tank mounted within a vehicle by measuring the tank pivot cell and inclinometer An apparatus for measuring the amount of liquid in a tank mounted within a vehicle. The apparatus includes a tank-mount mechanically coupled to and surrounding the tank to prevent translational movement of the tank, The tank-mount has a plurality of pivot... | 12/22/1998 |
| 5837944 | Beverage measuring system A new Beverage Measuring System for simultaneously measuring and displaying the temperature and the amount of beverage remaining within a conventional beverage keg thereby eliminating guessing how much beverage remains in said beverage keg. The inventive ... | 11/17/1998 |
| 5604938 | Vacuum flush waste disposal system for railcars A vacuum-operated waste disposal toilet system suitable for use on commercial passenger vehicles, in particular railcars, including at least one bowl for receiving waste material and a full-retention waste-holding tank connected to the bowl by a drain lin... | 02/25/1997 |
| 5555764 | Gauge for monitoring the content of a propane tank A gauge for monitoring the propane content of a propane-containing vessel includes a platform member telescopically disposed above a base member to define an intervening region. A piston and a cylinder, interactively disposed within the intervening region... | 09/17/1996 |
| 5552774 | Magnetically activated float switch A magnetically activated float switch apparatus is disclosed for opening and closing an electrical circuit in response to a predetermined change in the level of a liquid. The apparatus includes a float element having an interior chamber. There is a capsul... | 09/03/1996 |
| 5386736 | Fluid tank with integral fluid quantity gauging A gauging system for a fluid tank includes means for determining fluid pressure data for the tank; means for determining acceleration data of the tank; and means for determining quantity of fluid in the tank as a function of the pressure and acceleration ... | 02/07/1995 |
| 5303577 | Method and apparatus for detecting leaks in liquid storage tanks A method of detecting a leak in a liquid storage tank utilizes a mass test in which a sample mass of liquid is removed from the storage tank and weighed. After a period of time, another sample mass of liquid, taken at exactly the same location as the firs... | 04/19/1994 |
| 5133212 | Method and apparatus for measuring the liquid level of a containment tank subject to external forces A detection system for determining the level of a liquid in a containment tank includes a containment tank and a reference standard of known weight mounted to the vehicle and movable along the yaw axis of the vehicle. Load cells are placed intermediate th... | 07/28/1992 |
| 5125745 | Automatic BOF vessel remaining lining profiler and method Portable inspection apparatus for determining the actual remaining thickness of the lining of a BOF vessel. The apparatus is mounted on a portable cart which can be wheeled into close proximity with the open top of a horizontally disposed furnace vessel. ... | 06/30/1992 |
