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| Number | Title | Issue Date |
| 6406276 | Constant-pressure fluid supply system with multiple fluid capability The invention provides a system for dispensing fluid at relatively constant pressure. In a first embodiment, the invention dispenses a fluid from a chamber of varying dimension defined by a pre-tensioned resilient membrane. In a second embodiment, the inv... | 06/18/2002 |
| 6386576 | Cushion system for mobile subject A deployable cushion mechanism for a vehicle that provides a cushion deployed in case of vehicle tipping. The cushion is inflated from a folded condition through rapid release of stored energy. Air is allowed to enter the cushion by way of valves or other... | 05/14/2002 |
| 6381958 | Stirling engine thermal system improvements A thermal cycle engine having a heat exchanger for transferring thermal energy across the heater head from a heated external fluid to the working fluid. The heat exchanger has a set of heat transfer pins each having an axis directed away from the cylindri... | 05/07/2002 |
| 6375459 | Apparatus and method for cleaning teeth An apparatus designed to clean surfaces and to recycle a cleaning fluid. The apparatus has a hand-holdable housing that includes a head with a distal end through which cleaning solution may be impelled. The apparatus further has a pump for both impelling ... | 04/23/2002 |
| 6367817 | Personal mobility vehicles and methods A class of transportation vehicles for carrying an individual over ground having a surface that may be irregular. Various embodiments have a motorized drive, mounted to the ground-contacting module that causes operation of the vehicle in an operating posi... | 04/09/2002 |
| 6357544 | Balancing vehicle with camber and toe-in A balancing vehicle having enhanced stability for transporting a payload. The vehicle has two substantially coaxial wheels coupled to a platform. Each wheel rotates about an axis, with the axis of each wheel disposed at a non-zero angle with respect to an... | 03/19/2002 |
| 6311794 | System and method for stair climbing in a cluster-wheel vehicle A system and method for operating a device in ascending or descending stairs. The device has a plurality of wheels rotatable about axes that are fixed with respect to a cluster arm, where the cluster arm itself is rotated about an axis so that wheels rest... | 11/06/2001 |
| 6302230 | Personal mobility vehicles and methods An automatically balancing vehicle having a headroom monitor. The headroom monitor determines the difference between the maximum velocity of the vehicle and the present velocity of the vehicle. An alarm receives a signal from the headroom monitor and prod... | 10/16/2001 |
| 6247310 | System and method for control of fuel and air delivery in a burner of a thermal-cycle engine A method of combusting fuel and air in a burner of an external combustion engine having a heater head. The fuel and air are combined to form a fuel-air mixture which is characterized by a fuel-air ratio. An exhaust gas product is produced when the fuel-ai... | 06/19/2001 |
| 6234997 | System and method for mixing and delivering intravenous drugs A bedside-pharmacy system for the preparation and delivery of intravenous drugs. The system includes a liquid inlet for connection to a liquid supply, vial receptacles, and a liquid outlet for providing the intravenous drug in mixed, liquid form to the pa... | 05/22/2001 |
| 6223104 | Fault tolerant architecture for a personal vehicle A motorized vehicle capable of fault detection and of operation after a fault has been detected. The vehicle has a plurality of control components coupled to a motorized drive and a comparator for comparing the output of each of the control components wit... | 04/24/2001 |
| 6210361 | System for delivering intravenous drugs A bedside-pharmacy systen for the preparation and delivery of intravenous drugs. The system includes a liquid inlet for connection to a liquid supply, vial receptacles, and a liquid outlet for providing the intravenous drug in mixed, liquid form to the pa... | 04/03/2001 |
| 6168609 | Catamenial collector and methods of use A catamenial collector, in an embodiment, has a receptacle with a flexible hollow rim capable of inflation and has a handle with substantially the length of a female vagina. The collector may have a string, in one embodiment, extending through the rim and... | 01/02/2001 |
| 6155824 | Apparatus and method for cleaning teeth An apparatus designed to clean surfaces and to recycle the cleaning solution including a hand-holdable housing, a tube having a lumen through which cleaning solution may be impelled, a pump for both impelling and urging solution back through a return path... | 12/05/2000 |
| 6092249 | Constant pressure seating system A cushion system for supporting a body such as a seated person at risk of developing pressure sores. An array of one or more foam members is biased such that each foam member exhibits a substantially constant force per unit area when supporting the body. ... | 07/25/2000 |
| 6086008 | Apparatus and method for permitting introduction and withdrawal of a catheter A catheter reel apparatus facilitating one-person, single-handed control of catheter movement along a guidewire is provided in an embodiment. In a preferred embodiment, the reel has two grooves of different dimensions. The first groove is sized to carry a... | 07/11/2000 |
| 6077246 | Medical irrigation pump and system A medical irrigation pump and pump system utilize a permanent non-sterile drive motor capable of operating disposable sterile single use pump units each of which is specifically designed for a particular medical procedure. The pump units have housings whi... | 06/20/2000 |
| 6070761 | Vial loading method and apparatus for intelligent admixture and delivery of intravenous drugs The present invention is directed toward a vial-loading mechanism for a system that prepares and delivers one or more IV drugs to a patient. The vial-loading mechanism is used to load a vial onto a cassette spike and includes a vertical support member loc... | 06/06/2000 |
| 6062023 | Cantilevered crankshaft stirling cycle machine A Stirling machine having two pistons coupled to a harmonic crank drive linkage for providing a specified phase relationship between sinusoidal displacements of each piston with respect to a fixed fiducial point. The harmonic crank drive linkage has a pri... | 05/16/2000 |
| 6062600 | Anti-tipping mechanism An anti-tipping mechanism for a vehicle that provides a strut actively deployed by rotation from a retracted position so as to bring a wheel into ground contact to inhibit tipping of the vehicle.... | 05/16/2000 |
| 5983136 | System for delivery of drugs by transport A method and apparatus for introducing a fluid agent into body tissue by causing transport of the fluid agent into the dermis of the subject. The outer surface of the skin of the subject is drawn against a plurality of micropenetrators such that microfiss... | 11/09/1999 |
| 5975225 | Transportation vehicles with stability enhancement using CG modification There is provided, in a preferred embodiment, a vehicle for transporting a payload (which may but need not include a human subject) over ground having a surface that may be irregular. This embodiment has a support for supporting the payload. A ground-cont... | 11/02/1999 |
| 5971091 | Transportation vehicles and methods There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subject. A ground-contacting module, movably attache... | 10/26/1999 |
| 5935105 | Intravenous-line air-elimination system An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus is disposed in an intravenous fluid line. At the top end of the line is attached a chamber where a... | 08/10/1999 |
| 5845350 | Cradle mattress An infant environmental transition system provides an infant with controlled simulated movements encountered by an infant in an intrauterine environment. The system includes a suspension system having a plurality of flexures coupled between a base plate a... | 12/08/1998 |
| 5794730 | Indication system for vehicle There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subject. A ground-contacting module, movably attache... | 08/18/1998 |
| 5791425 | Control loop for transportation vehicles There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subject. A ground-contacting module, movably attache... | 08/11/1998 |
| 5772637 | Intravenous-line flow-control system An intravenous-line flow-control system for receiving a disposable cassette disposed in the intravenous line. The system prevents the free flow of intravenous fluid through the cassette when the cassette is removed from the system. The system includes a c... | 06/30/1998 |
| 5713865 | Intravenous-line air-elimination system An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus 5 is disposed in an intravenous fluid line 3. At the top end of the line 3 is attached a chamber 1... | 02/03/1998 |
| 5701965 | Human transporter There is provided, in a preferred embodiment, a device for transporting a human subject over ground having a surface that may be irregular and may include stairs. This embodiment has a support for supporting the subject. A ground-contacting module, movabl... | 12/30/1997 |
| 5641892 | Intravenous-line air-detection system The flow of an intravenous (IV) fluid from a IV source through an IV line to a patient is controlled, while monitoring whether there is any bubble in the liquid being delivered to the patient. Disposed in the line is a region having a first portion contai... | 06/24/1997 |
| 5578012 | Medical fluid pump A medical pump apparatus including an internally sterile pumping chamber having a flexible diaphragm forming a wall portion and a drive rod extending through the diaphragm in a rotating vane disposed within the pumping chamber. A motor rotates a revolving... | 11/26/1996 |
| 5575310 | Flow control system with volume-measuring system using a resonatable mass A system for controlling the flow of fluid through a line 3. The system may include first and second valves (A, B; and 6, 7) in the line 3 between is located a chamber (52, 82), part of which may be filled with fluid having a variable volume (52), and ano... | 11/19/1996 |
| 5570716 | Inflation control system An inflation control system including a high flow valve is controlled by pilot air selectively delivered by a piezo vent valve. The high flow valve includes a pilot input, an outlet and a main air chamber fed with main supply air through a main air condui... | 11/05/1996 |
| 5533389 | Method and system for measuring volume and controlling flow A system for controlling the flow of fluid through a line 3. The system may include first and second valves (A, B; and 6, 7) in the line 3 between is located a chamber (52, 82), part of which may be filled with fluid having a variable volume (52), and ano... | 07/09/1996 |
| 5526844 | Flow conrol system A system for controlling the flow of fluid through a line 3. The system may include first and second valves (A, B; and 6, 7) in the line 3 between is located a chamber (52, 82), part of which may be filled with fluid having a variable volume (52), and ano... | 06/18/1996 |
| 5522568 | Position stick with automatic trim control Automatic trim control for a position stick. Strain gauges are mounted with respect to the position stick so as to generate signals proportional to the force manually exerted upon the control stick. The signals from the strain gauges are used to control t... | 06/04/1996 |
| 5447286 | High flow valve An inflation control system including a high flow valve is controlled by pilot air selectively delivered by a piezo vent valve. The high flow valve includes a pilot input, an outlet and a main air chamber fed with main supply air through a main air condui... | 09/05/1995 |
| 5364371 | Intravenous fluid delivery device A compact, integrated intravenous fluid delivery device. In one embodiment, the invention may be used with first and second intravenous fluid sources and an intravenous fluid line. This embodiment includes a spike for connecting the device to the first in... | 11/15/1994 |
| 5349852 | Pump controller using acoustic spectral analysis A system for controlling the flow of fluid through a line (3). The system may include first and second valves (A, B; and 6, 7) in the line (3). Between the first and second valves is located a chamber (52, 82), part of which may be filled with fluid havin... | 09/27/1994 |