"If you build a better mousetrap, you will catch better mice."
George Gobel
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8156586 | Ambulance cot system The present invention relates to ambulance cots, cot systems and methods of using the same. In particular, the present invention provides an ambulance cot comprising one or more control features (e.g., a notched ladder rail assembly (e.g., for preventing hot droppin... | 04/17/2012 |
| 8155918 | Ambulance cot system The present invention relates to ambulance cots, cot systems and methods of using the same. In particular, the present invention provides an ambulance cot comprising a hydraulic system and a tip angle monitoring, recording and alert system, and methods of using the ... | 04/10/2012 |
| 8127790 | Hydraulic valve with a filter and check valve band An hydraulic valve has a body with an exterior surface, a longitudinal bore, and first and second fluid ports in communication with the bore wherein the first fluid port opens through the exterior surface. A band is wrapped in first and second layers around the exte... | 03/06/2012 |
| 8103271 | Aircraft data radio with alternative channel selection A data link radio system onboard an aircraft communicates with a plurality of ground stations that employ either an analog communication protocol or a digital communication protocol. A database contains information related to each ground station and its respective c... | 01/24/2012 |
| 8088516 | Storage battery electrodes with integral conductors A battery cell has a plurality of first and second electrodes of opposite polarities that are interleaved. Each of the first and second electrodes is a sheet of non-woven fabric having a first edge from which a tab projects, and a second edge transverse to and subst... | 01/03/2012 |
| 8082099 | Aircraft navigation using the global positioning system and an attitude and heading reference system A vehicle navigation technique uses a receiver for signals of a global positioning system to produce a first position indication and a first velocity indication. An attitude and heading reference system employs accelerometers and gyroscopes oriented along three axes... | 12/20/2011 |
| 8056576 | Dual setpoint pressure controlled hydraulic valve A hydraulic valve has a valve body with a bore into which an inlet port, an outlet port, and a workport all open. A valve spool is slideably received within the bore. The valve spool has a first position that provides a path between the inlet port and the workport, ... | 11/15/2011 |
| 8013471 | Apparatus and method for managing a backup power supply for an aircraft cockpit voice recorder Charge on a storage capacitor in a backup power supply is managed by discharging the capacitor into an aircraft recorder that is to be powered when a primary power source fails. During the discharging, a first amount of energy discharged from the capacitor is measur... | 09/06/2011 |
| 8006719 | Electrohydraulic valve having a solenoid actuator plunger with an armature and a bearing A solenoid operated valve has a valve body with a plurality of ports and a spool slideable within the valve body to interconnect the ports in different combinations. An actuator drives the spool into several operating positions. The actuator has a solenoid assembly ... | 08/30/2011 |
| 7992839 | Electrohydraulic valve having a solenoid actuator plunger with an armature and a bushing A solenoid operated valve has a valve body with a plurality of ports and a spool slideable within the valve body to interconnect the ports in different combinations. An actuator includes a solenoid coil assembly and an armature slideably received in the solenoid coi... | 08/09/2011 |
| 7984890 | Pilot operated valve with fast closing poppet A pilot-operated valve has a main poppet controlling fluid flow between inlet and outlet ports in response to pressure in a control chamber. Fluid flow through a pilot passage, linking the control chamber and the outlet port, moves an exhaust spool between first and... | 07/26/2011 |
| 7972487 | Micro-band electrode The invention concerns an electrochemical cell which, either alone or together which a substrate onto which it is placed, is in the form of a receptacle. The electrochemical cell contains a working electrode and a counter electrode, the working electrode being in a ... | 07/05/2011 |
| 7917213 | MRI compatible implanted electronic medical lead An implantable biocompatible lead that is also compatible with a magnetic resonance imaging scanner for the purpose of diagnostic quality imaging is described. The implantable electrical lead comprises a plurality of coiled insulated conducting wires wound in a firs... | 03/29/2011 |
| 7908912 | Oil sensing system for an internal combustion engine A system for detecting a characteristic of oil in a reservoir includes a sensor at least partially located in the reservoir. The sensor has a chamber for receiving oil from the reservoir, a detector member in the chamber, and an electromagnetic coil. Application of ... | 03/22/2011 |
| 7905088 | Energy recovery and reuse techniques for a hydraulic system A hydraulic system has a valve assembly with two workports coupled to chambers of first and second cylinders which are connected mechanically in parallel to a machine component. A separation control valve is connected between first chambers of both cylinders, and a ... | 03/15/2011 |
| 7889187 | User interface for controlling a bathroom plumbing fixture A plumbing fixture is operated by a user interface that has an enclosure with a faceplate from which a pedestal seamlessly projects outward. An alphanumeric display is visible through the faceplate and a plurality of switches respond to the user pressing different p... | 02/15/2011 |
| 7881804 | Composite waveform based method and apparatus for animal tissue stimulation A medical apparatus, for artificially stimulating internal tissue of an animal, applies a composite voltage pulse to a pair of electrodes implanted in the animal. The composite voltage pulse is formed by a first segment and a second segment contiguous with the first... | 02/01/2011 |
| 7878311 | Piston with an integral electrically operated adjustment valve for a hydraulic vibration damper A vibration damper includes a cylinder within which a piston is slidably received thereby defining compression and rebound chambers. The piston has a bore with a valve seat through which fluid flows between those chambers. A poppet selectively engages the valve seat... | 02/01/2011 |
| 7874152 | Hydraulic system with compensation for kinematic position changes of machine members A machine, such as a backhoe, has a series of components connected in series and moved by separate hydraulic actuators. A position estimator determines the present position of each component from the load acting on the associated hydraulic actuator and a velocity co... | 01/25/2011 |
| 7857281 | Electrohydraulic valve control circuit with magnetic hysteresis compensation A method for operating an electrohydraulic valve initially derives a characterization value that denotes how magnetic hysteresis affects valve operation. Upon receiving a command that designates a desired magnitude of electric current to be applied to the electrohyd... | 12/28/2010 |
| 7856282 | Hydraulic system with coordinated multiple axis control of a machine member A member of a machine, such as a boom on construction equipment for example, is pivoted by a first actuator and has a length that is alterable by a second actuator. A control method allows an operator of the machine to command a point on the member to move along a s... | 12/21/2010 |
| 7854115 | Post-pressure compensated hydraulic control valve with load sense pressure limiting An array of valve sections in a hydraulic system are connected to a supply line, a tank return line, and a load sense line. One valve sections includes a control valve with a metering orifice through which fluid flows from the supply line to a valve outlet. A load s... | 12/21/2010 |
| 7826903 | Radio frequency antenna for a wireless intravascular medical device A radio frequency antenna is provided for use with a medical device for implantation into an animal. The antenna comprises a coil formed by a wire that includes a core formed of a shape-memory material with an electrically conductive first layer applied to an outer ... | 11/02/2010 |
| 7825831 | Aircraft flight display with a non-linear pitch scale A display image for use in an aircraft is produced in response to receiving aircraft location, heading, altitude, and pitch data. The location and heading data are employed to access a topographical database and obtain terrain information for a region on the earth's... | 11/02/2010 |
| 7825641 | Method and apparatus for regulating excitation of an alternator A hybrid voltage regulator controls the voltage of three phases of alternating electricity produced by an alternator. A digital voltage regulator produces an average of the RMS voltage for each phase and produces an error value based on a ratio of the voltage to the... | 11/02/2010 |
| 7823967 | Heater system for an aircraft seat A heater system for an aircraft seat includes a first heater pad secured to the bottom seat cushion and a second heater pad secured to the back seat cushion, with both pads being under an upholstery cover. The first and second heater pads each has a body of an open ... | 11/02/2010 |
| 7823379 | Energy recovery and reuse methods for a hydraulic system A method provides several modes for recovering hydraulic energy produced by an overrunning load acting on cylinders connected in parallel to a machine component. In one mode, fluid from first chambers in both cylinders is routed into the accumulator, while other flu... | 11/02/2010 |
| 7818966 | Hydraulic control valve system with isolated pressure compensation A hydraulic valve assembly includes a pressure compensating valve in which a compensator spool is slideably received in a bore. A pre-compensator gallery connected to a metering orifice, a preload gallery leading to a hydraulic actuator, an auxiliary pump supply pas... | 10/26/2010 |
| 7797122 | Electrohydraulic valve control circuit with velocity fault detection and rectification Motion of a hydraulically driven machine component is controlled in response to a velocity command that indicates a desired velocity for the machine component. A method for detecting a velocity fault involves determining an actual velocity at which the machine compo... | 09/14/2010 |
| 7784488 | Valve for allocating available fluid to high priority functions of a hydraulic system A hydraulic system has high priority hydraulic functions connected to a primary supply line that receives pressurized fluid from a source and low priority hydraulic functions connected to secondary supply line. A priority valve couples the primary supply line to the... | 08/31/2010 |
| 7769466 | Class-E radio frequency amplifier for use with an implantable medical device A medical apparatus includes an extracorporeal power source that transmits electrical power via a radio frequency signal to a medical device implanted inside an animal. The extracorporeal power source has a Class-E amplifier with a choke and a semiconductor switch c... | 08/03/2010 |
| 7768370 | Method and apparatus for mounting a circuit board to a transformer An electromagnetic assembly which has a base, at least one winding, and a magnetic core connected to the base, where at least one winding is mounted on the magnetic core. A housing part encloses at least part of at least one winding, and a printed circuit board is m... | 08/03/2010 |
| 7749265 | Radio frequency antenna for a wireless intravascular medical device A radio frequency antenna is provided for use with a medical device for implantation into an animal. The antenna comprises a coil formed by a wire that includes a core formed of a shape-memory material with an electrically conductive first layer applied to an outer ... | 07/06/2010 |
| 7746001 | Plasma generator having a power supply with multiple leakage flux coupled transformers A plasma generating apparatus includes a plurality of discharge cells in which a gas is excited by a high frequency excitation signal produced at an inverter. Each of a plurality of transformers couples the excitation signal from the inverter to one of the discharge... | 06/29/2010 |
| 7735838 | Vehicle suspension with selectable roll stabilization A hydraulic suspension system for a vehicle includes a pair of cylinders on opposite sides of the vehicle. Each cylinder is divided by a piston into two chambers. When the vehicle is not making a significant turn, a switching valve connects the chambers in the same ... | 06/15/2010 |
| 7720547 | Extracorporeal power supply with a wireless feedback system for an implanted medical device A medical device adapted for implantation into a patient receives electrical power from an extracorporeal power supply. The medical device has a first receiver for a first wireless signal, a power circuit that extracts energy from the first wireless signal to power ... | 05/18/2010 |
| 7711434 | Wireless intravascular medical device with a double helical antenna assembly A medical device, such as a cardiac pacing device for an animal, includes an intravascular antenna that has a first coil for engaging a wall of a first blood vessel to receive a radio frequency signal. The first coil includes a first winding wound helically in a rot... | 05/04/2010 |
| D615176 | Bed heater | 05/04/2010 |
| 7691209 | Automatic control system for a kitchen warewasher An apparatus reminds an operator of a need to change water in a reservoir of a warewasher. A counter that counts operating cycles of the warewasher and a sensor provides signal indicating that the reservoir has been drained and refilled. A controller responds to the... | 04/06/2010 |
| 7690153 | Emergency door actuator system An emergency door opening apparatus for use on an aerospace vehicle for moving a door of the vehicle from a closed position to an open position. The apparatus includes a fluid cylinder (16) and piston (18) operatively connected to the door and to the v... | 04/06/2010 |