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| Number | Title | Issue Date |
| 7408123 | Occupant sensing apparatus with load dispersion limiting A seat occupant sensing apparatus includes a notched foam bottom seat cushion and a pressure-responsive sensor disposed between the bottom cushion and a frame of the seat. The notch is a narrow channel on the underside of the foam cushion that extends upward into th... | 08/05/2008 |
| 7294793 | Load cell mounted with a spring biased saddle element A load cell includes a first element, a second element and a sensor measuring force between the first and second elements along a first axis. In some embodiments, lateral and angular decoupling is provided by the provision of a convex surface between the first and s... | 11/13/2007 |
| 7282654 | Patient weighing system Provided herein are exemplary embodiments of a weighing device comprising a bladder and a plurality of contact switches printed on the bladder. The bladder comprises a top and a bottom sheet of a suitable non porous material. The contact switches are made by printin... | 10/16/2007 |
| 7252431 | Water temperature monitoring apparatus An apparatus generally including a housing, a power source, a temperature sensor, a display and a circuit. The housing may have a bore adaptable to receive a flow of water. The power source may be operational for generating electricity and coupled to the housing. Th... | 08/07/2007 |
| 7234346 | System and method for detecting and displaying an amount of chemical in a cylinder or vessel A system and method for detecting and displaying the amount of chemical in a vessel. The system includes a vessel with a variable quantity of gas supported upon a moveable platform. A hydraulic load cell is positioned under the platform, and generates a hydraulic pr... | 06/26/2007 |
| 7180016 | Weight sensor accessory This invention provides a housing (60) for a weight sensor (10). The housing (60) is made from fluid-impervious material and is shaped and configured to completely enclose the weight sensor (10) in a fluid tight manner. The housing (60... | 02/20/2007 |
| 7172244 | Vehicle seat assembly having a vehicle occupant sensing system and a seat cushion insert positioned therein A vehicle seat assembly that includes a seat cushion having at least one recess disposed thereon. The vehicle seat assembly also has a plurality of sensor assemblies, each including a base and an upper slide member. The upper slide member is supported for movement t... | 02/06/2007 |
| 7059446 | Frame-based bladder apparatus for seat occupant weight estimation A frame-based occupant weight estimation apparatus for a vehicle seat that is supported by two or more floor brackets secured to the vehicle floor spans an open space between the floor brackets to prevent shunting of the occupant weight through a foreign object lyin... | 06/13/2006 |
| 7047827 | Folding digital scale A portable digital scale is foldable for ease of storage and transport. The scale includes a fluid-filled elastomeric bladder and electronic module disposed in a hard-sided case that is opened in use and folded to encase the bladder and electronic module during tran... | 05/23/2006 |
| 7005587 | Load cell including angular and lateral decoupling A load cell includes a first element, a second element and a sensor measuring force between the first and second elements along a first axis. In some embodiments, lateral and angular decoupling is provided by the provision of a convex surface between the first and s... | 02/28/2006 |
| 6993954 | Sensor equilibration and calibration system and method A system and method for equilibrating and calibrating a pressure or force sensor is provided. The system includes a flexible bag arranged to receive the sensor, and a vacuum source, connectable with the flexible bag, adapted to reduce the pressure within the flexibl... | 02/07/2006 |
| 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 |
| 6968790 | Portable picnic table/sawhorse A portable picnic table/sawhorse and bench furniture set. The picnic table/sawhorse includes a tabletop having spaced cross member guides and guide rib on the underside of said tabletop. A pair of sawhorses have lengthwise grooves in their spines to receive the cros... | 11/29/2005 |
| 6881907 | Method and apparatus for product attribute measurement A method and apparatus is provided for determining an attribute of an article during the transfer of the article by an article-feeding machine during the transfer of the article from one location to another location. ... | 04/19/2005 |
| 6674024 | Seat weight sensor A hydrostatic weight sensor comprises a bladder of flexible material that contains a fluid, preferably in an amount less than the capacity of the bladder when the bladder is unloaded, the pressure of which is sensed by a pressure sensor so as to provide a... | 01/06/2004 |
| 6627825 | Hydraulic weighing apparatus and method A hydraulic lifting and weighing system particularly for refuse collection vehicles and the like and includes means for dynamically weighing garbage. The system includes a hydraulic actuator operable to move a lifting arm and takes two measurements of the... | 09/30/2003 |
| 6518520 | Apparatus and method for weighing the occupant of a bed Weighing apparatus preferably comprises at least two weight sensing elements that are connected to each other by at least one communication cable. In accordance with this invention, weight sensing elements are preferably positioned either adjacent to or a... | 02/11/2003 |
| 6504113 | Pneumatic weighing device The scales include a tray (1) placed on a base (3) and lifted by an air cushion, with no mechanical connection with the base (3). The weight of an object (21) laid on the tray (1) varies the air cushion pressure, and the measurement of this pressure by an... | 01/07/2003 |
| 6479766 | Seat occupant weight detection system having compensation for seat aging and usage An improved occupant weight detection system measures the pressure in a fluid-filled bladder disposed in or under a foam seat cushion as an indication of occupant weight, and periodically adjusts the pressure vs. occupant weight relationship to compensate... | 11/12/2002 |
| 6392166 | Stress relief method for a fluid filled elastomeric bladder An improved method of producing a fluid filled elastomeric bladder for occupant weight sensing involves annealing the bladder material prior to its installation in a vehicle seat so as to quickly relieve initial stress due to stretching of the bladder mat... | 05/21/2002 |
| 6369339 | Apparatus for manipulating a load The invention relates to an apparatus for manipulating in the height and in particular setting down of a load. The apparatus comprises a suspension on a lifting device, which suspension comprises a drive, with which drive the load can be manipulated in th... | 04/09/2002 |
| 6286861 | Seat weight sensor A hydrostatic weight sensor comprises a bladder of flexible material that contains a fluid, preferably in an amount less than the capacity of the bladder when the bladder is unloaded, the pressure of which is sensed by a pressure sensor so as to provide a... | 09/11/2001 |
| 6076853 | Altitude/temperature compensation for a gas-filled weight sensor A plurality of pneumatic hydrostatic weight sensors, each incorporating a fluid and a pressure sensor for sensing the pressure thereof, are incorporated in series with the load path within a vehicle seat to sense occupant weight. A signal processor measur... | 06/20/2000 |
| 6056079 | Automotive seat weight sensing system A plurality of hydrostatic weight sensors, each incorporating a fluid and a pressure sensor for sensing the pressure thereof, are incorporated in a vehicle seat to sense occupant weight, position, and stature. In one aspect, a hydrostatic weight sensor is... | 05/02/2000 |
| 6045155 | Vehicle seat sensor having self-maintaining air bladder A hydrostatic weight sensor element incorporates a volume restorer for restoring the volume thereof when the applied load is removed therefrom, whereupon a check valve in fluid communication therewith admits sensing fluid thereinto if the pressure of the ... | 04/04/2000 |
| 6021863 | Seat weight sensor using fluid filled tubing A hydrostatic weight sensor comprises a continuous flexible sensing tube incorporated within the seat. A fluid is contained therein and a pressure sensor is operatively coupled thereto. The continuous flexible sensing tube may be arranged in a spiral or s... | 02/08/2000 |
| 5987370 | Vehicle occupant weight estimation apparatus having fluid-filled seat bladder An improved weight estimation apparatus includes a closed elastomeric bladder filled with fluid and installed in the foam cushion of a vehicle seat bottom, with at least one pressure sensor installed in a closed exit port of the bladder. A temperature sen... | 11/16/1999 |
| 5918696 | Seat weight sensor with means for distributing loads A hydrostatic weight sensor incorporates a load distributor to prevent the bladder of the hydrostatic weight sensor from bottoming out under the influence of applied loads of sufficient concentration and magnitude. The load distributor comprises a flexibl... | 07/06/1999 |
| 5886301 | Method and device for measuring weight A device and method are described for measuring the weight of objects using a pneumatically sealed bellows which contains a pair of spaced apart capacitor plates. In accordance with the invention, the pneumatic pressure within the bellows is varied to mai... | 03/23/1999 |
| 5789714 | Method and apparatus for weighing a load This invention provides an apparatus and a method of using the apparatus to determine the weight of a load which is supported on a frame. In a preferred use of the invention, the load is supported on a tilt frame which is itself supported on the chassis o... | 08/04/1998 |
| 5721399 | Golf club swing weight scale A golf club swing weight scale includes dual weighing scales arranged to provide for the simultaneous measurement of both the total weight and the swing weight of a golf club or other object. The device may include weight scales using either electronic lo... | 02/24/1998 |
| 5635681 | System for weighing radioactive materials A weighing system for obtaining the mass of objects, particularly spent nuclear fuel rods, includes a weighing device having a weighing platform on which objects to be weighed are placed. The platform rests on three hydraulic load cells, each communicatin... | 06/03/1997 |
| 5606516 | Digitally compensated hydraulic scale system A pressure transducer module includes a plurality of cavities, each cavity in fluid communication with a hydraulic load cell. Each cavity deforms with variations in the pressure of the hydraulic fluid in the cavity. Sensors generate output signals represe... | 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 |
| 5430275 | Microwave oven with turntable and weight sensor A microwave oven is provided with a weighing device comprising a plate having a vertically movable shaft, and a fluid-containing bladder or a fluid-containing piston and cylinder assembly, and a pressure sensor for sensing the weight of a food product to ... | 07/04/1995 |
| 5369223 | Apparatus for weighing and processing materials Apparatus for processing materials including a receptacle for containing and processing fluid materials such as animal feed. A frame supports the receptacle on a base surface. A weighing mechanism supports the frame and includes at least one member yielda... | 11/29/1994 |
| 5285682 | Sponge absorbed fluid measuring unit A device for measuring the amount of fluids absorbed by surgical sponges. The sponges are placed in a receiving cylinder. A flexible diaphragm at the bottom of the cylinder flexes or deflects from the weight. This deflection displaces a fluid in a base un... | 02/15/1994 |
| 5258582 | Apparatus and method for weighing aircraft A measurement device (10) is disclosed that uses the actual hydraulic cylinders of the aircraft landing gear to weigh the aircraft. The device (10) comprises a pressure-weigh sensitive transducer (12) with a flow-through passage (14) and adaptors (20a, 20... | 11/02/1993 |
| 5251493 | Load cell for well tubulars or the like Methods and apparatuses, in one aspect, for detecting and indicating loads and/or forces on tubular strings, e.g. tubing, injected into or withdrawn out of a well by an injector apparatus, the apparatus having, in one embodiment, a single piston acting on... | 10/12/1993 |
| 5234065 | Portable weight measuring device A portable weight measuring device including a plurality of flat, flexible generally nonelastic fluid-containing bladders arranged edge to edge and interconnected by flexible tubes for fluid flow between the bladders. Flat, rigid upper and lower support p... | 08/10/1993 |
