Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
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 |
| 8145319 | Methods and devices for treatment of osteonecrosis of the femoral head with core decompression Methods and devices for treatment of osteonecrosis of the femoral head with core decompression include a dowel adapted for placement into a core decompression channel of a femoral head. A cathode at the distal end of the dowel provides electrical stimulation of bone... | 03/27/2012 |
| 8136183 | Modular multiple bed unit A modular multiple bed unit having first and second beds connected together at right angles using mating rail brackets each defining a quick-release coupler. A bracket with quick-release coupler is provided at each of the two spaced locations on the side of one rail... | 03/20/2012 |
| 8133789 | Short-channel silicon carbide power mosfet A silicon carbide power MOSFET having a drain region of a first conductivity type, a base region of a second conductivity type above the drain region, and a source region of the first conductivity type adjacent an upper surface of the base region, the base region in... | 03/13/2012 |
| 8118582 | Method and apparatus for producing biobased carriers from byproducts of biomass processing An apparatus for producing biobased carriers for dispersal of biological and chemical molecules includes a premixer having a cavity for receiving a coproduct of a wet biomass process and a binder and being operable to premix the coproduct and binder to produce a sub... | 02/21/2012 |
| 8107397 | Protocol for secure and energy-efficient reprogramming of wireless multi-hop sensor networks A protocol for optimizing the energy for code upload to sensors in a wireless sensor network and speeding up the dissemination if multiple sources of code are available. Energy optimization is achieved by equipping each node with limited non-local topology informati... | 01/31/2012 |
| 8104413 | Camless automated thread cutting system for electronic lockstitch pattern tacking sewing machines A camless automated thread cutting system for an electronic lockstitch pattern tacking sewing machine having a sewing needle driven by a main shaft and having a knife mechanism in proximity with the needle for cutting thread at the end of a pattern sewing cycle. The... | 01/31/2012 |
| 8082038 | Method for treating degenerative disc disease using noninvasive capacitively coupled electrical stimulation device A method for treatment of degenerative disc disease using capacitively coupled electrical stimulation. In one embodiment, a subject diagnosed as having degenerative disc disease is treated by placing first and second electrodes on the subject's body at the site of a... | 12/20/2011 |
| 8077101 | Trans-grade communication network Methods and apparatus that provide grade-level RF transceivers for use in trans-grade wireless communication networks. The methods involve incorporating slot antennas into grade-level opening covers, such as manhole covers, to provide built-in antennas for transceiv... | 12/13/2011 |
| 8053705 | Laser assisted machining process with distributed lasers Laser assisted machining process and machine utilizing multiple distributed laser units that are strategically distributed around the workpiece being machined to simultaneously heat the workpiece, creating a desired temperature distribution for laser assisted machin... | 11/08/2011 |
| 8035112 | SIC power DMOSFET with self-aligned source contact An intermediate product in the fabrication of a MOSFET, including a silicon carbide wafer having a substrate and a drift layer on said substrate, said drift layer having a plurality of source regions formed adjacent an upper surface thereof; a first oxide layer on s... | 10/11/2011 |
| 8034214 | Reciprocating evaporator A reciprocating film type evaporator for solvents and other chemicals which eliminates the need for a large powerful motor, and other associated equipment such as rotary gaskets, by using reciprocation, versus 360 degree rotation. ... | 10/11/2011 |
| 8018193 | Torque ripple mitigation controller with vibration sensor delay compensation An enhanced torque ripple mitigation algorithm for permanent magnet synchronous machines (PMSMs), the algorithm including compensation for sensor delay. ... | 09/13/2011 |
| 8012215 | Tibial prosthesis convertible in vivo to a modular prosthesis removal of permanently secured primary bearing A nonmodular tibial prosthesis having a retainer for a modular bearing on the superior surface of a tibial base, a nonmodular primary bearing directly molded to the base, and a mechanical release member mounted on the tibial base in contact with the nonmodular prima... | 09/06/2011 |
| 7997144 | System and method of measuring quasi-static force with a piezoelectric sensor A system and method employing a piezoelectric sensor for quasi-static force measurement substantially free of drift and with improved low-frequency response. The output signal from the sensor is sampled and integrated using digital techniques that include a drift co... | 08/16/2011 |
| 7980973 | Coaxial electrical actuator for continuously variable transmissions An electrically actuated continuously variable transmission (CVT) with an electric motor coaxially mounted on one of the pulleys of the CVT and having its rotor and stator both rotating with the pulley. One of two portions of the pulley is fixed-mounted on an engine... | 07/19/2011 |
| 7980972 | Roller variator for actuating continuously variable transmissions A continuously variable transmission (CVT) with a roller variator as an actuator for adjusting the speed ratio of the CVT. The CVT is of the variable-diameter pulley type and has first and second variable-diameter pulleys mechanically linked by a drive belt or other... | 07/19/2011 |
| 7976545 | Method and instrumentation for performing minimally invasive hip arthroplasty Broaching instruments divided into multiple parts to reduce the size of incisions necessary to perform a total hip arhroplasty, minimizing trauma to tissue surrounding the hip joint. One approach is to divide the broach head into first and second segments for insert... | 07/12/2011 |
| 7969654 | Volume Fresnel zone plates fabricated by laser direct writing A volume Fresnel zone plate and a method of producing such a device using a femtosecond laser for direct writing of zone plates. A volume zone plate has a number of Fresnel zone plate layers designed to focus light coherently to a single spot. Embodiments include bo... | 06/28/2011 |
| 7907278 | Staring imaging grating spectrometer for detection of projectiles A detection system comprising detection processing means, spectral discrimination means, and temporal tracking and declaration processing means which cooperate to detect and declare a missile launch. A spatial filter isolates discrete spectral features in an image f... | 03/15/2011 |
| 7885785 | Rotor position sensing apparatus and method using piezoelectric sensor and hall-effect sensor A position observer for control-based torque ripple mitigation in permanent magnet synchronous machines (PMSMs). Rotor position is determined using data from two sources: a piezoelectric sensor for initial position and low-speed detection, and a single Hall-effect s... | 02/08/2011 |
| 7866982 | Aircraft crosswind landing simulator An aircraft crosswind training simulator has a fixed-pitch cockpit rotatably mounted atop a platform. Rotation of the cockpit is controlled by motor controllers that are responsive to movement of the cockpit's steering control. A rotation sensor detects rotation of ... | 01/11/2011 |
| 7865640 | USB web launcher using keyboard scancodes A USB web launcher for launching a browser on a host computer and directing the browser to a website specified by the web launcher. The USB web launcher comprises a housing, and a controller within the housing which is configured to operate as a USB HID keyboard dev... | 01/04/2011 |
| 7854769 | Method and instrumentation for performing minimally invasive hip arthroplasty A method of implanting a modular hip stem implant having a stem portion and a body portion into a medullary canal of a patient's femur utilizing a two-incision technique. The stem portion is inserted through an anterior incision and the body portion is inserted thro... | 12/21/2010 |
| 7833228 | Method and instrumentation for performing minimally invasive hip arthroplasty A broach instrument for preparing the proximal medullary canal of a femur for receiving a hip stem implant includes lateral and medial broach segments that may be assembled and disassembled along a longitudinal plane of separation defined by longitudinal sliding sur... | 11/16/2010 |
| 7774725 | Computationally efficient modeling and simulation of large scale systems A method of simulating operation of a VLSI interconnect structure having capacitive and inductive coupling between nodes thereof. A matrix X and a matrix Y containing different combinations of passive circuit element values for the interconnect structure are obtaine... | 08/10/2010 |
| 7771300 | Devices for electrically assisting and actuating continuously variable transmissions An electrically assisted or actuated continuously variable transmission (CVT) with a first pulley having a first pulley portion for fixed connection to an engine shaft and an axially movable second pulley portion for placement about the engine shaft. A mechanism for... | 08/10/2010 |
| 7758334 | Valveless pulsed detonation combustor Pulse detonation combustors of valveless construction. One valveless pulse detonation combustor, having a tube with a closed end and an open end, is constructed with a flame accelerator within the tube, adjacent the open end. A valveless, apertured flow restrictor i... | 07/20/2010 |
| 7751509 | Method for multiple-access interference suppression for MC-CDMA by frequency domain oversampling A technique for interference suppression in MC-CDMA systems is proposed which exploits the structural differences in signals that arrive at the receiver with Doppler shifts or carrier offsets. Oversampling the received signal in the frequency domain and properly com... | 07/06/2010 |
| D615145 | Hilt guard | 05/04/2010 |
| 7697980 | Technique for high spatial resolution, focused electrical stimulation of electrically-excitable tissue A tissue stimulation method which uses wave-guiding principles to construct a focused point of stimulation at any location within a region of electrically excitable living tissue. The excitation is formed through the constructive interference of different frequency ... | 04/13/2010 |
| 7672152 | Memory cell with built-in process variation tolerance A Schmitt Trigger (ST) based, fully differential, 10-transistor (10T) SRAM (Static Random Access Memory) bitcell suitable for sub-threshold operation. The Schmitt trigger based bitcell achieves 1.56× higher read static noise margin (SNM) (VDD=400 mV) com... | 03/02/2010 |
| 7648255 | Liquid-activated lighted ice cube A liquid-activated lighted ice cube includes a battery-powered electrical circuit and LED housed in a hollow body that resembles an ice cube. The circuit includes electrodes exposed to the exterior of the hollow body that, when in contact with water or other liquid ... | 01/19/2010 |
| 7644892 | Blended winglet A capped winglet comprising a helical portion having a smooth vertical curvature of 180°±approximately 20° from the plane of the unbounded end of a wing, and a generally planar cap contiguous with the helical portion of the winglet at the end of its curvature awa... | 01/12/2010 |
| 7636038 | Fault-tolerant timeout communication protocol with sensor integration A fault-tolerant timeout protocol for distributed sensor arrays and networks in which each sensor has a plurality of backup nodes, each of which is operable to send priority information which includes the product of the time needed for the backup node to transmit se... | 12/22/2009 |
| 7569018 | Apparatus and method for noninvasively detecting the quality of cardiac pumping An auditory pulse monitor for noninvasively detecting the amplitude of arterial pulses on a beat-by-beat basis. A light-weight optical sensor including a light source and photodetector is adapted for application to the skin surface of a subject over a tissue bed con... | 08/04/2009 |
| 7568774 | Keyboard drawer with self-retracting mouse platform A keyboard drawer with self-retracting mouse platform beneath the desktop of a desk is slidably engaged between first and second parallel vertical members extending downward from the desktop. The mouse platform is pivotally connected atop a sidewall of the keyboard ... | 08/04/2009 |
| D595481 | Shirt with integrated reflective safety vest | 07/07/2009 |
| 7555432 | Audio steganography method and apparatus using cepstrum modification Audio steganography methods and apparatus using cepstral domain techniques to make embedded data in audio signals less perceivable. One approach defines a set of frames for a host audio signal, and, for each frame, determines a plurality of masked frequencies as spe... | 06/30/2009 |
| 7520849 | Pulsed electromagnetic field method of treating soft tissue wounds A pulsed electromagnetic field method of treating a soft tissue wound, wherein, in one embodiment, a patient in need of treatment for a soft tissue wound is administered a pulsed electromagnetic field (PEMF) having repetitive pulse bursts less than approximately 30 ... | 04/21/2009 |
| 7508697 | Self-repairing technique in nano-scale SRAM to reduce parametric failures A self-repairing SRAM and a method for reducing parametric failures in SRAM. On-chip leakage or delay monitors are employed to detect inter-die Vt process corners, in response to which the SRAM applies adaptive body bias to reduce the number of parametric failures i... | 03/24/2009 |
