Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7541004 | MEMS-based sensor for lubricant analysis A fluid contamination analyzer employs one or more MEMS-based sensors. The sensors are incorporated into probes or alternatively may be employed in an in-line analyzer residing in the fluid. The sensors, which can be selective to detect a distinct contaminant within... | 06/02/2009 |
| 7524458 | Screen plate of an imaging measuring instrument Screen plate (10) of an imaging measuring instrument, intended for use in absorption measurement of samples relating to the fields of biochemistry and medicine. The screen plate comprises a plate (11) made of light-absorbing material, such as darkened ... | 04/28/2009 |
| 7455813 | Compact analyte testing cassette with true positive and negative analyte controls The present disclosure includes but is not limited to an assay or test device, such as an immunological assay device, with positive and negative controls for each analyte of interest. In general, the device has a bi-fold, tri-fold or quarter-fold cassette, each fold... | 11/25/2008 |
| 7449150 | Probe and apparatus for desorption and ionization of analytes This invention relates generally to methods and apparatus for desorption and ionization of analytes for the purpose of subsequent scientific analysis by such methods, for example, as mass spectrometry or biosensors. More specifically, this invention relates to the f... | 11/11/2008 |
| 7442340 | Chemical agent monitoring system A method and apparatus for sampling for the chemical warfare agent VX, where it is advantageous for the VX to be converted to its G-analog to facilitate aspirator induced movement of the sample through a sample line, to a sampling tube or to sample detection apparat... | 10/28/2008 |
| 7435601 | Biological specimen handling method An apparatus for collecting, transporting and storing biological specimens. The apparatus includes a base having a tray portion for receiving the biological specimen and a lid operably connected to the base and moveable with respect to the base between a first close... | 10/14/2008 |
| 7435381 | Packaging of microfluidic devices A microfluidic device containing liquid reagents having an extended shelf life contains the liquid reagents in micro-reservoirs that limit the escape of moisture to less than 10% over the shelf life of the device. The micro-reservoir preferably is made of polypropyl... | 10/14/2008 |
| 7427505 | Fecal occult blood testing device and method A specimen testing device having a first panel including a first aperture for receiving a first specimen and a second aperture for receiving a second specimen; a second panel; a sheet disposed between the first and second panels for receiving at least the first spec... | 09/23/2008 |
| 7425306 | Slide heater A slide heater for use in a slide processing apparatus in which an interface surface between the slide heater and the slide has a plurality of slots or channels terminating in an edge thereof, for gathering and venting gas bubbles. ... | 09/16/2008 |
| 7413909 | Method and apparatus for desorption and ionization of analytes This invention relates generally to methods and apparatus for desorption and ionization of analytes for the purpose of subsequent scientific analysis by such methods, for example, as mass spectrometry or biosensors. More specifically, this invention relates to the f... | 08/19/2008 |
| 7413731 | Fragrance compositions The present invention relates to a composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) greater than about 50%, by weight of the fragrance oil, of perfume raw materials w... | 08/19/2008 |
| 7410613 | Humoral testing apparatus A humoral testing apparatus in which a measuring light is irradiated to a reagent area forming a color as a result of a reaction and an optical density of the reagent area is detected by a detecting operation of light intensity of the reflected light. The humoral te... | 08/12/2008 |
| 7407650 | Fragrance compositions The present invention relates to a composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) one or more perfume raw materials with a high odour impact which have an odour det... | 08/05/2008 |
| 7396684 | Method for quantitatively and/or qualitatively detecting layer thicknesses, a microreaction vessel and titre plate The invention relates to a method for quantitatively and/or qualitatively detecting layer thicknesses of biological or chemical molecules by means of ellipsometric measurements. Said molecules are deposited on at least one metal layer by virtue of interactions with ... | 07/08/2008 |
| 7390465 | System and method for contamination detection within sealed containers A system and a method to detect biological and chemical agents in a sealed contained at, for example, a mail-processing center. The system includes filtration and vacuum subsystems cooperatively working to draw an air sample from the interior of the particulate cont... | 06/24/2008 |
| 7384599 | Apparatus for drug testing An apparatus for testing for the presence of a drug is provided. The apparatus includes a first drug testing reagent, a first ampule, a vessel that contains the first ampule, and a fracturing means. The first drug testing reagent contains a controlled substance dete... | 06/10/2008 |
| 7381370 | Automated multi-detector analyzer An automated analyzer for analyzing patient samples. The analyzer includes a plurality of cuvettes, which allow the samples to be mixed with various reagents. The analyzer includes one or more detectors, including a detector adapted to detect luminescence of the rea... | 06/03/2008 |
| 7374946 | Method for the detection of compounds comprising methylenedioxyphenyl Process and a test kit for the detection of drugs of methylenedioxy amphetamine family and derivatives, are disclosed. The process comprises (a) sampling sufficient amount of a material, suspected to be examined comprise of said methylenedioxyphenyl group; (b) admix... | 05/20/2008 |
| 7361307 | Biological fluid constituent sampling and measurement devices A device for accessing biological fluid, sampling biological fluid constituents and determining the concentration of at least one target constituent within the accessed biological fluid is provided. The device has at least one micro-piercing member used to penetrate... | 04/22/2008 |
| 7354771 | Method of determining absolute configuration of chiral compound The absolute configuration of a chiral compound is determined by (i) coordinating the chiral compound to a metalloporphyrin having a carbon chain-crosslinked porphyrin dimer structure in which one of the two porphyrin rings has at least one ethyl or substituent bulk... | 04/08/2008 |
| 7347972 | Multiple analyte assay device A test device and associated method of use composed of a housing (100) defined by base (101) and cover (110). The base (101) has a closed end (104) and an open end (106). Slots (102a, 102b, etc.) ... | 03/25/2008 |
| 7347971 | Spreading layers and their use in test strips A spreading material is described which comprises a porous flat-shaped structure impregnated with a wetting agent, wherein the wetting agent is N-oleoyl-sarcosinate. ... | 03/25/2008 |
| 7341693 | Portable RF breathalyzer A RF breathalyzer system, which transmits a unique RF signal in response to a toxic or non-toxic breath sample given to a RF breathalyzer by the user. An immobilizer CPU is installed in a vehicle to receive commands from the RF breathalyzer and to control a horn and... | 03/11/2008 |
| 7319037 | Fluid tester and method of use Fluid testing device for determining the value of each of a plurality of properties of a fluid, the fluid testing device including a planar base and a plurality of test sections, located on the planar base, each of the test sections including a test sub-section whic... | 01/15/2008 |
| 7318910 | Chemical dosimeter A chemical dosimeter comprising: a chamber defined by a heat resistant mesh; and a quantity of an adsorbent contained within the chamber; the arrangement being such that gas may diffuse into the chamber through the heat resistant mesh so that chemicals in the gas ma... | 01/15/2008 |
| 7312084 | Tandem incubator for clinical analyzer An incubator includes an incubator ring assembly having at least two concentric rings supported for rotation about a common axle defining an axis of rotation. Each concentric ring includes a plurality of circumferentially defined load positions, each load position b... | 12/25/2007 |
| 7303726 | Minimal procedure analyte test system A system employing an integrated analyte test strip including a biosensor and lancet is disclosed. The integration of lancet and the sensor elements eliminates the need to align the sensor to the biologic fluid sample after a lancet and lancing device are used in co... | 12/04/2007 |
| 7294515 | Method and apparatus for desorption and ionization of analytes This invention relates generally to methods and apparatus for desorption and ionization of analytes for the purpose of subsequent scientific analysis by such methods, for example, as mass spectrometry or biosensors. More specifically, this invention relates to the f... | 11/13/2007 |
| 7282184 | Microwave assisted chemical synthesis instrument with controlled pressure release An instrument is disclosed for carrying out controlled microwave assisted chemical processes, and that is particularly useful for handling relatively small samples. The instrument includes a microwave-transparent reaction vessel with an open mouth, a pressure-resist... | 10/16/2007 |
| 7282179 | Blood testing unit and blood testing method and apparatus A blood testing unit comprises a closed vessel having a blood introducing section formed at a certain area of the closed vessel. A blood constituent separating section is located within the closed vessel to separate plasma and/or serum from the blood sample introduc... | 10/16/2007 |
| 7267799 | Universal optical imaging and processing system The present disclosure is directed, in general, to an optical reading system, a universal testing cartridge, and a method of coupling optical reading systems. In a particular illustrative embodiment, the optical reading system includes a universal test cartridge rec... | 09/11/2007 |
| 7258836 | Freeze resistant buoy system A freeze resistant buoy system includes a tail-tube buoy having a thermally insulated section disposed predominantly above a waterline, and a thermo-siphon disposed predominantly below the waterline. ... | 08/21/2007 |
| 7253003 | Method for monitoring the environment within a microfluidic device A method and apparatus is provided for monitoring the environment within a microfluidic device. The microfluidic device includes a body defining a channel for accommodating flow of fluid therethrough. A monitor structure is disposed in the channel of the body in the... | 08/07/2007 |
| 7247486 | Method and apparatus for controlling reactions The invention relates to a method and an apparatus for performing an assay on chemical, biochemical, or biological fluids. The apparatus includes an assay chamber for fluid reactions and a centrifugal force activated-valve for controlling fluid movement through the ... | 07/24/2007 |
| 7247492 | Method for observing chemical substances An apparatus and method for observing a chemical substance. In one embodiment, the apparatus includes a vessel having a base portion and an at least partially transparent wall portion depending from and extending away from the base portion. The base portion and the ... | 07/24/2007 |
| 7244395 | Apparatus for trace sulfur detection using UV fluorescence A method and system for performing low level sulfur UV fluorescence measures including an UV interference reduction system which removes or destroys interfering nitrogen oxides. The preferred nitrogen removal systems include introducing ozone into the system in suff... | 07/17/2007 |
| 7244393 | Diagnostic device and system Diagnostic devices, systems and methods for detecting the presence of an analyte in a sample are provided. In one embodiment, the device comprises a substrate, a binder printed in a pattern onto a surface of the substrate, and a means for directing a sample towards ... | 07/17/2007 |
| 7244392 | Slide-in cassette for a cup for testing of drugs of abuse A specimen cup (100) has slide-in cassette (102) hermetically sealed in a chamber (104), with a outer partition being transparent. The cassette comprised chemical test strips (106) used to provide testing of drugs of abuse or other chemic... | 07/17/2007 |
| 7238534 | Capillary active test element having an intermediate layer situated between the support and the covering The invention concerns a device for withdrawing samples of liquid samples for analytical elements. The capillary-device channel is essentially formed by a carrier, a cover and optionally an intermediate layer between the cover and carrier. A notch is located in one ... | 07/03/2007 |
| 7238533 | Personal illicit drug detection method Personal illicit drug detecting apparatus is disclosed which includes a substance chemically reactive to a suspected drug. The substance is provided in the form of a layer positioned on at least one finger of a user. The substance can be blended into finger nail pol... | 07/03/2007 |
