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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8179319 | Adaptive optimization of estimation of the angle of arrival of a signal received by an array of antenna elements A parameter of interest of a signal, such as the angle of arrival of a target signal received by an antenna system having an array of antenna elements, is estimated by (a) obtaining disparate observations of the target signal received by the antenna system; (b) with... | 05/15/2012 |
| 8175851 | Using statistical learning methods to fuse parameter estimates A preferred estimate of a given parameter is made by processing a set of data points representing estimates of the given parameter, such as the angle of arrival of a target signal. The process includes the steps of: (a) obtaining a set of data points representing es... | 05/08/2012 |
| 8175186 | Preserving the content of a communication signal corrupted by interference during transmission A communication signal including a plurality of bursts that individually include a plurality of data symbols is processed by both interleaving diversity and duplication diversity prior to transmission in order to preserve the content of the signal when the signal is... | 05/08/2012 |
| 8138480 | Bulk material analyzer assembly including structural beams containing radiation shielding material A bulk material analyzer (FIG. 2) is variably constructed from an assembly of components The analyzer (FIG. 2) is the type that is used to analyze bulk material (28) transported on a conveyor belt (29) through an activation region (30 | 03/20/2012 |
| 8127491 | On-demand control of subsurface watering A watering device for deployment within soil for watering vegetation by releasing water into the soil in which the vegetation is growing. The device includes a container that is shaped for being deployed at least partially within soil. The container has an inlet for... | 03/06/2012 |
| 8121225 | Estimating the angle of arrival of a signal received by an array of commutated antenna elements The angle of arrival is estimated for a received signal received by an array of commutated antenna elements, wherein there is a temporal boundary at the instant of commutation between antenna elements. Samples of the signal received by the elements of the array are ... | 02/21/2012 |
| 8105128 | Injection molded toy building element A toy building element includes side walls, a top having an upper surface that extends from the side walls, and a plurality of projections extending upward from the extensive upper surface, an open bottom and an interior. The interior is accessible through the open ... | 01/31/2012 |
| 8102242 | Autonomous interrogating transponder for direct communications with other transponders A group of associated transponders are respectively attached to a plurality of objects, such as sensors or containers. Each transponder includes a memory, a transmitter, a receiver and a controller. The memory stores group data, which includes data related to the re... | 01/24/2012 |
| 8074416 | Structural members with gripping features and joining arrangements therefor A joining arrangement is provided for use in the construction of stud frame which includes a releasable attachment/detachment feature. The first member (plate) includes in at least one side wall a formation which, when members are joined, engages a corresponding for... | 12/13/2011 |
| 8061099 | Vertical deflection extension end member A wall structure has a telescoping portion and a stationary portion. An overlapping section of the telescoping portion has a recess to allow dry wall to be fastened to the stationary portion at the overlapping section without being attached to the telescoping portio... | 11/22/2011 |
| 8031119 | Determining the angle of arrival of a target signal received by an array of antenna elements In a system for determining the angle of arrival of a target signal received by an array of antenna elements, a pair of receivers simultaneously obtain observations of a received target signal from multiple elements of an array of antenna elements; and a computer pr... | 10/04/2011 |
| 7974227 | Relayed signal communications A relay terminal for relaying communication signals from originator user terminals to destination user terminals stores relay-authorization-and-priority data for a plurality of user terminals having respective identification codes; detects the identification codes i... | 07/05/2011 |
| 7948438 | Determining the angle of arrival of a target signal received by an array of antenna elements In a system for determining the angle of arrival of a target signal received by an array of antenna elements, a receiver obtains observations of a received target signal from an array of antenna elements; and a computer processes the obtained observations of the tar... | 05/24/2011 |
| 7901261 | Board assembly for kitesurfing and/or kiteboarding A board assembly for kitesurfing and/or kiteboarding includes an elongated board for traversing a supporting surface while a person is riding the board and apparatus for changing the orientation of the person's feet relative to the different ends of the board. Such ... | 03/08/2011 |
| 7873127 | Weighting a signal received by an antenna array to enhance the signal and suppress interference Sample vectors of a signal received simultaneously by an array of antennas are processed to estimate a weight for each sample vector that maximizes the energy of the individual sample vector that resulted from propagation of the signal from a known source and/or min... | 01/18/2011 |
| 7856050 | Receiver and transmitter calibration to compensate for frequency dependent I/Q imbalance A receiver, which is adapted for demodulating signal carriers at variable frequencies to provide received signals at a plurality of different received frequencies, is calibrated to compensate for a frequency-dependent imbalance in the amplitude and/or the quadrature... | 12/21/2010 |
| 7850630 | Flexible head support with replaceable chinrest Apparatus for supporting a person's head in a selected position includes a flexible shaft that will maintain its shape when reconfigured for enabling a person's head to be supported in a selected position and a first coupler attached to one end of the shaft for coup... | 12/14/2010 |
| 7844017 | Carrier frequency detection for signal acquisition A carrier frequency in a filtered received M-ary phase-shift keyed (MPSK) modulated signal having in-phase and quadrature components is detected by processing the filtered received signal to remove modulation components and thereby generate a test signal at the carr... | 11/30/2010 |
| 7835719 | Detection of signals in a radio network In a radio network that includes at least one base station and at least one remote station, signals are modulated for transmission from the remote stations by embedding known information throughout the signal in a predetermined pattern and a group of sample vectors ... | 11/16/2010 |
| 7748387 | Eye guard for protecting a patient's eyes from a laser beam during surgery A protective eye guard includes a flexible facial mask, a pair of eye covers, a sponge-like material and a layer of shielding material. The facial mask is configured and sized to overlay the portion of a patient's face surrounding the eyes and has a pair of openings... | 07/06/2010 |
| 7743800 | Container assembly for uncontaminated insertion of material Sensitive materials are packaged by being inserted into an uncontaminated reservoir of a container assembly without being contaminated during such packaging. The container assembly also includes an uncontaminated sleeve and an uncontaminated film. A lower portion of... | 06/29/2010 |
| 7667838 | In-stream spectroscopic elemental analysis of particles being conducted within a gaseous stream A particle presentation apparatus for presenting particles being conducted within a gaseous stream for instream spectroscopic elemental analysis includes a particle blending section for homogenizing the distribution particles of significantly different sizes receive... | 02/23/2010 |
| 7648407 | Toy-building elements having sidewall grooves formed between outwardly extending flexible ridges A toy building element has sidewalls that include grooves and tongues by which the toy building element can be interconnected with a like building element. Each groove is formed between a pair of outwardly extending flexible ridges. In some embodiments, the tongue d... | 01/19/2010 |
| 7643535 | Compatible preparation and detection of preambles of direct sequence spread spectrum (DSSS) and narrow band signals The preambles of narrow band signals and DSSS signals are prepared for compatible detection. The preamble is encoded by encoding a sequence of identical preamble blocks with sequentially corresponding code elements of a preamble encoding sequence. Each of the identi... | 01/05/2010 |
| 7606342 | Tracking the phase of a received signal The tracking of the phase of a received signal having a known preamble is accomplished by the steps of: initializing a phase-locked loop in accordance with estimated phase parameters, which are generated during an estimation interval by processing samples of the kno... | 10/20/2009 |
| 7590479 | Remote login of a personal computer A system for remotely logging into a personal computer includes a controller coupled to the personal computer and a remote control device. The controller memorizes a login password for the personal computer. The remote control device transmits a login signal to whic... | 09/15/2009 |
| 7588712 | Throttled-core-centering injection molding In a method of injection molding a plastic product having a base wall and a sidewall (24), wherein plastic injected into a base-wall section of the mold cavity is conducted through a flow guide (28) in the base-wall section and thence into a sidewall s... | 09/15/2009 |
| 7553209 | Toy-building elements for variably positional toys Toy-building elements including various combinations of the following features: a top having a broad surface and at least one projection or ball-shaped coupler extending above the broad surface; an interior having contact surfaces that are accessible through an open... | 06/30/2009 |
| 7528396 | Solid state simulator of missile UV signatures Apparatus for simulating ultraviolet (UV) signatures of missiles includes a memory, control electronics, drive electronics and at least one solid-state UV-radiation emitter. Waveform data that is characteristic of the UV-signatures of different types of missiles is ... | 05/05/2009 |
| 7484880 | Vortex stirring of vessels in a two-dimensional array The contents of a two-dimensional array of vessels are mixed by a vortex created by continuous lateral tumbling of a magnetic stir element against the interior side wall of each vessel. The system includes a drive magnet having oppositely polarized sides, and a caro... | 02/03/2009 |
| 7458801 | Removal from core mold part of tubular injection molded plastic product formed with two open ends A hollow plastic product with a substantially tubular section, two open ends and a thread at the outside of one end of the product is removed from a core mold part by closing the threaded end of the molded product and injecting compressed air into the molded product... | 12/02/2008 |
| 7433035 | Detection of carbon halogen bonds Detecting and determination of halooorganic compounds is described, which is applicable in the pharmaceutical industry, in fluorinated drug research and manufacturing; in the medical and clinical studies of the effects of fluoroorganic compounds; in the environmenta... | 10/07/2008 |
| 7432802 | Autonomous interrogating transponder for direct communications with other transponders A group of associated transponders are respectively attached to a plurality of objects, such as sensors or containers. Each transponder includes a memory, a transmitter, a receiver and a controller. The memory stores group data, which includes data related to the re... | 10/07/2008 |
| 7402267 | Injection molding utilizing base-wall-section flow guides During injection molding of a plastic product having a base wall and a sidewall, fluid plastic material is injected into a base-wall section of a mold cavity. The base-wall section of the mold cavity includes at least one flow guide that is defined by a first mold p... | 07/22/2008 |
| 7397871 | Estimation of single-to-noise ratio by processing measured error vector magnitude The signal-to-noise ratio of a demodulated received signal is estimated by measuring the error vector magnitude (EVM) of the demodulated signal; and processing the measured EVM in combination with a correction term to estimate the signal-to-noise ratio of the demodu... | 07/08/2008 |
| 7336732 | Carrier frequency detection for signal acquisition A carrier frequency in a filtered received M-ary phase-shift keyed (MPSK) modulated signal having in-phase and quadrature components is detected by processing the filtered received signal to remove modulation components and thereby generate a test signal at the carr... | 02/26/2008 |
| 7289533 | Universal subscriber communicator module A subscriber communicator module and an external data storage device perform the functions of receiving RF communication signals, converting the received RF signals to received digital output samples and converting digital input samples to RF communication signals f... | 10/30/2007 |
| D546901 | Toy building element | 07/17/2007 |
| D546899 | Toy building element | 07/17/2007 |
| D546900 | Toy building element | 07/17/2007 |
