At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Decoupling of cross coupling for floating reference frame controllers for
sensorless control of synchronous...
A synchronous motor controller and method of controlling a synchronous motor without using rotor position sensors are provided. In a floating synchronous...
Circuit using current limiting to reduce power consumption of actuator with
DC brush motor
A drive circuit including a motor for positioning a damper from a rest position to a stalled position and protect the drive mechanism from damage due to...
Gate length control for semiconductor chip design
A semiconductor device includes first and second polysilicon areas on a chip. The first polysilicon area corresponds to circuit elements of the semiconductor...
Fluoropolymer reactor with heat exchange jacket
A reactor for fluorinating an organic compound comprising (a) an outer vessel; (b) a reactor vessel being disposed within said outer vessel to define an annular...
Process for unidirectional infiltration of preform with molten resin or
Molding apparatus for rapid transfer of molten resin or pitch in an infiltration molding process. The apparatus includes e.g. an extruder (4) for melting and...
Triangular light assembly with flashing and non-flashing lights
A light assembly includes a generally triangular shaped housing having a front surface and a back surface opposite the front surface. The light assembly further...
Vibrating beam accelerometer two-wafer fabrication process
A method for fabrication of microelectromechanical systems (MEMS) integrated micro devices and acceleration sensor devices formed according to the method, the...
Automated customer support system
An automated customer support tool. A web server receives one or more queries regarding the product from a customer. A categorizer coupled to the web server...
Airborne based monitoring
A weather monitoring and prediction system that uses a fleet of aircraft to obtain data. Each aircraft has a local air data system that facilitates the...
Rate and acceleration limiting filter and method for processing digital
A digital filter and filtering method uses a rate of change limit and an acceleration limit to significantly attenuate high bandwidth noise signals with minimal...
Oil quality sensor
A fluid quality sensor system comprising a light source, a first light sensitive element disposed at a distance from the light source, forming a gap having...
Virtual rumble strip
A system and method are provided for a virtual rumble strip that uses a 3-dimensional audio alert (3-DAA) signal to warn a user operating a vehicle that the...
Single event hardening of null convention logic circuits
A system and method for hardening a Null Convention Logic (NCL) circuit against Single Event Upset (SEU) is presented. Placing a resistive element into a...
A resonator having temperature and electronic compensation. The resonator has several layers on a substrate having opposite thermal coefficients of the sound...
Particle detection system and method
An apparatus and method for detecting particles. A flow tube is surrounded by eight off-axis ellipsoidal mirrors all having a common first focus coincident with...
Air clamp stabilizer for continuous web materials
A device for non-contact support of a continuous moving web of material employs an air clamp stabilizer that includes a Coanda slot and a backstep that is...
Wireless communication for fume hood control
A method and apparatus for controlling a fume hood. A containment condition, i.e., a condition that may affect containment of potentially harmful substances in...
Grooved shaft member and associated turbocharger and method
There is provided a shaft member such as a bearing, washers, and shaft, having at least one surface defining a plurality of radial grooves for providing radial...
Pilot director light utilizing light emitting diode (LED) technology
Pilot Director Lights (PDLs) mounted on the exterior of a refueling tanker aircraft (10) utilize light emitting diodes (LEDs) (213) as a light source to provide...
Capacitive pick-off and electrostatic rebalance accelerometer having
equalized gas damping
A Micro Electro-Mechanical System (MEMS) acceleration sensing device, formed of a an elongated sensing element of substantially uniform thickness suspended for...
Lock assembly that inhibits thrust reverser movement at or near the stowed
A lock assembly for a thrust reverser system that prevents thrust reverser deployment when the thrust reversers are in the stowed position, but does not prevent...
Spun metal form used to manufacture dual alloy turbine wheel
A spun metal form used to manufacture a dual alloy turbine wheel. The spun metal form prevents braze alloy contamination of the hub/casting interface by...
Integrated vertical situation display
Methods and apparatus are provided for generating an integrated vertical situation display. The method comprises generating a profile view frame, producing a...
Methods, data, and systems to warp an image
Methods, data, and systems are provided to warp an image. Input pixels associated with an input image are warped according to a provided or obtained warping...
High efficiency viewing screen
A low-scatter polarization-preserving multilayer viewing screen. A substrate D, preferably a volume diffuser, for increasing the divergence of...
Lateral acceleration indicator for aircraft
An electronic lateral acceleration indicator is provided that gives improved visual performance over previous electronic indicators. In a first embodiment, the...
Apparatus, system and method for minimizing resonant forces in a compressor
A buffer chamber and outlet guide provide an air path from an intake passage in a compressor housing to an upstream position relative to an intake port of the...
Sensor top hat cover apparatus and method
A sensor apparatus and method are disclosed herein, including a sensor element located on a base and a cover located proximate to the base. The cover generally...
Variable turbine cooling flow system
Cooling air to the blades and disks of a gas turbine may be modulated to provide a variable turbine cooling flow. A bellows may be extended by providing a high...
Multivariant set point using N1 and N2 for engine control
A method for selecting a setpoint for a turbofan engine having a fan speed and a core idle speed scheduling includes determining a weighting factor based upon a...
Methods and apparatus for removing gases from enclosures
A method for reducing oxidation of indium seals within a substantially sealed housing is disclosed. The method includes installing a getter within the housing,...
Coupling a tapered optical element to an optical fiber
A fiber optic coupler comprises a metal tube and a clear hollow silicone insert, with a tapered region including a first set of grabbers and a constant area...
Method and apparatus for filtering non-essential messages in a disarmed
The present invention is a method and apparatus for use in a security system that includes a number of wireless transmitters, a wireless receiver in wireless...
Multi-band voltage controlled oscillator
A single integrated chip has first and second voltage controlled oscillators and first and second buffers. The first voltage controlled oscillator has a first...
Control of temperature of supply of pressurized air
A method of, and apparatus, for, controlling the temperature of pressurized air such as bleed air from a gas turbine engine, wherein the air is passed through a...
Actuation assembly for variable geometry turbochargers
Improved actuation assemblies are used with variable geometry turbochargers comprising a plurality of movable aerodynamic vanes attached to a movable unison ring...
Control system for improved transient response in a variable-geometry
A control system for a variable-geometry turbocharger includes a supervisor logic (12) selecting a pulse control output (24) for large variation of desired and...
Method for making a multi-pass exhaust gas recirculation cooler
An apparatus and method for cooling hot fluids, especially exhaust gases, with a multi-pass cooler core. The cooler core is particularly useful for cooling...
Housing for an automation system controller
Using a probability associative matrix algorithm to modify web pages
A web based technique for predicting future web navigation sequences of users visiting a web site includes, in one example embodiment, a web server having...
Vehicle health management system
A system and method for vehicle health management is provided that gives improved flexibility and performance. The vehicle health management system and method...
Optical devices employing beam folding with polarizing splitters
A beam folder increases optical length with polarizing beam splitters and reflectors that repolarize a beam by retarding it. An incident beam encounters the beam...
Traffic awareness systems and methods for displaying aircraft traffic with
A traffic awareness system displays ground-track heading information on a traffic information screen for other aircraft within the proximity range of the host...
Method of removing water from hydrofluorocarbon manufacturing processes
Disclosed are improved fluorination processes and fluorine-containing compositions which involve introducing to one or more fluorination process compositions a...
Methods and apparatus for attaching MEMS devices to housing
A method for increasing the bonding strength between a die and a housing for the die is described where a micro-electromechanical system (MEMS) device is formed...
Methods and apparatus for controlling a climate control system for an enclosure, including a controller for operating a cooling system and a humidification...
Fluidic diverter valve with a non-spherical shuttle element
A fluidic diverter valve for use in flight control systems that includes a non-spherical shuttle element disposed within a cavity formed in the valve housing. In...
Gas turbine engine transition liner assembly and repair
A method of repairing a damaged combustion gas transition liner for a gas turbine engine and an improved damage-resistant transition liner that mounts adjacent...
Variable geometry assembly for turbochargers
A variable geometry turbocharger assembly employing the present invention includes a center housing, a compressor housing attached to one side of the center...