Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 7384457 | Seal for gas chromatography A seal forming a fluid tight connection between a gas chromatography column and a sample inlet assembly is disclosed. The seal is formed by a metal injection molding process. The seal has a first surface adapted for sealing with the sample inlet assembly and a secon... | 06/10/2008 |
| 7360394 | Multi-purpose modular pyrolysis and thermal processing system for chemical and biological threat agent detection A multi-purpose modular pyrolysis and thermal processing system (MPMPTPS) for pyrolyzing and/or vaporizing liquids and solids to create an evolved vapor suitable for introduction into a gas-chromatography and/or vapor detection system, thereby allowing detection, cl... | 04/22/2008 |
| 7356446 | Method and apparatus for analyzing multi-channel chromatogram A method for analyzing a multi-channel chromatogram is realized for accurately resolving overlapping peaks on a multi-channel chromatogram to permit analysis of the composition of a sample. First, components of overlapping peaks are specified. A data matrix Dij is d... | 04/08/2008 |
| 7316730 | Inlet double-seal assembly An inlet seal assembly for sealing an injection port member in a chromatography instrument , comprising an injection port member having a raised metal ring, an inlet seal member with an upper surface, a peripheral groove formed in the inlet seal member upper surface... | 01/08/2008 |
| 7311757 | Analyte pre-concentrator for gas chromatography An analyte pre-concentrator for gas chromatography is disclosed generally comprising a tube having a restricted outlet and packed with an adsorbent, wherein the tube serves as the liner of a chromatographic injector, as an adsorbent trap coupled to a chromatographic... | 12/25/2007 |
| 7306649 | 3D miniature preconcentrator and inlet sample heater The present invention relates to a three dimensional preconcentrator and inlet heater. The preconcentrator consists of a substrate with passageways, a conductive material coated to the top and the bottom of the substrate and an adsorbent coating covering the entire ... | 12/11/2007 |
| 7273518 | Gas chromatograph system including an improved inlet sealing mechanism An inlet includes a bottom assembly and a top assembly. The bottom assembly includes at least one male unit, and the top assembly has at least one beveled surface and includes at least one female unit and a lateral driving unit. The top assembly is placed inside the... | 09/25/2007 |
| 7263240 | Method, system, and software for improving signal quality using pyramidal decomposition A method, system, and software are disclosed for improving the quality of a signal. A base signal is recursively decomposed for a desired number of pyramid levels. The decomposed signal from the lowest level is modified to generate a preprocessed signal. The preproc... | 08/28/2007 |
| 7247189 | Device for combining two fluid streams A fluidic switching device is particularly for use in chromatography is described. The device allows a rapid switching between chromatographic columns; particularly, in gas chromatography. ... | 07/24/2007 |
| 7221861 | Universal transfer apparatus and method to use same The present invention provides universal transfer apparatus and method to use this universal transfer apparatus. This invention further provides a method to obtain speciation data for organometals in a complex matrix, such as cigarette smoke. Our data demonstrate th... | 05/22/2007 |
| 7157055 | Apparatus for sample handling for an injection system of a chromatograph The invention relates to an apparatus for sample preparation and/or sample delivery for an injection system of a chromatograph, having a magazine (1), which can be moved in steps, for juxtaposed sample tubes (2), and having a lifting device (6) ... | 01/02/2007 |
| 7110886 | Method and apparatus for analyzing multi-channel chromatogram A method for analyzing a multi-channel chromatogram is realized for accurately resolving overlapping peaks on a multi-channel chromatogram to permit analysis of the composition of a sample. First, components of overlapping peaks are specified. A data matrix Dij is d... | 09/19/2006 |
| 7020344 | Match blur system and method A method for blurring in signal processing, for example, in digital film processing, is performed with digital artifacts. The digital artifacts are derived, such as by scanning, and include a noisy artifact and a less noisy artifact. The artifacts are subdivided int... | 03/28/2006 |
| 7016080 | Method and system for improving scanned image detail Methods are provided for generating a dynamic image mask for improving image detail in a digital image. An electronic representation of an image is scanned. A dynamic image mask is generated from the electronic representation of the image. The dynamic image mask has... | 03/21/2006 |
| 6994130 | Capless automotive fueling system A capless automotive fueling system having a funnel with a port open to receive a fuel filling nozzle. A spring loaded valve is movable between an open position in which the port is open and a closed position in which the fuel valve overlies and sealingly covers the... | 02/07/2006 |
| 6968874 | Capless automotive fueling system A capless automotive fueling system having a funnel with a port open to receive a fuel filling nozzle. A spring loaded valve is movable between an open position in which the port is open and a closed position in which the fuel valve overlies and sealingly covers the... | 11/29/2005 |
| 6965692 | Method and apparatus for improving the quality of reconstructed information Image processing apparatus and methods according to the present invention are described in which data for each color channel are separately processed, on a pixel by pixel basis, such that the data associated with the primary color channel is filtered less than the c... | 11/15/2005 |
| 6955709 | Method and device for vaporization injection of high volumes in gas chromatographic analysis This invention concerns a method and apparatus for vaporization injection of large volumes of liquid sample (substance to be analysed+solvent) introduced by a syringe needle into a heated vaporization chamber which is part of an injector coupled operatively to a dev... | 10/18/2005 |
| 6943920 | Method, system, and software for signal processing using pyramidal decomposition A method, system, and software are disclosed for improving the quality of a signal. A base signal is recursively decomposed and modified for a desired number of pyramid levels. At each level, the decomposed signal from the previous level is modified to improve one o... | 09/13/2005 |
| 6934638 | Method and apparatus for analyzing multi-channel chromatogram A method for analyzing a multichannel chromatogram is realized for accurately resolving overlapping peaks on a multichannel chromatogram to permit analysis of the composition of a sample. ... | 08/23/2005 |
| 6916125 | Method for film inspection and development A method of preparing a roll of film for development. The method involves inspecting the film for defects and imperfections as the film is unwound from a magazine. A method of preparing a roll of film for development and developing the film is also disclosed. The de... | 07/12/2005 |
| 6913404 | Film processing solution cartridge and method for developing and digitizing film A digital film processing system and film processing solution cartridge are disclosed. The cartridge comprises a housing and a chamber for storing a film processing fluid. The processing solution may be contained within a flexible bladder within the chamber. The car... | 07/05/2005 |
| 6915021 | Method and system for selective enhancement of image data A method and apparatus for selectively applying image enhancement processing to parts of an image. In one embodiment, spatial processing transformations, such as sharpening for example, are reduced or bypassed for pixels having color code values within a range known... | 07/05/2005 |
| 6910816 | Digital film processing method A method of developing a latent image on a photographic element (such as imagewise exposed photographic film) by absorbing a dye precursor into the film, applying a developer solution to the film to develop the latent image and form a dye in the film, scanning the f... | 06/28/2005 |
| 6779379 | Method and device for vaporization injection The invention concerns a device for vaporizing injections of samples into a gas chromatography analysis device, comprising a vaporization chamber elongated lengthways and heated, as well as a syringe equipped with a needle, the device being of the type in which the ... | 08/24/2004 |
| 6719826 | Method and apparatus for sample injecting in gas chromatography A method and an apparatus for sample injection in gas chromatography increases the injecting volume of a sample, and can analyze any of high-boiling-point compounds, low-compounds boiling-point compounds, and compounds decomposed by heat. A sample is injected into a... | 04/13/2004 |
| 6706091 | Sub-to super-ambient temperature programmable microfabricated gas chromatography column A sub- to super-ambient temperature programmable microfabricated gas chromatography column enables more efficient chemical separation of chemical analytes in a gas mixture by combining a thermoelectric cooler and temperature sensing on the microfabricated column. Su... | 03/16/2004 |
| 6662626 | Assembly for desorbing sampling tubes; adapter and sampling tubes for such an assembly; and kit of parts for forming such an assembly An assembly for desorbing sampling tubes comprises a gas chromatograph known per se provided with an injector. The sampling tubes are provided with an inflow opening and an outflow opening. The assembly comprises an adapter which is placed in the injector... | 12/16/2003 |
| 6638346 | Vaporization injector A vaporization injector for gas chromatography analysis instruments, of the type including a vaporization chamber, heated or which may be heated, with a longitudinally elongated shape, a device for hermetically inserting the needle of a syringe containing... | 10/28/2003 |
| 6623545 | Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus An extraction device for liquid--liquid extraction of at least one analyte from a sample and on-line transfer of the analyte(s) to a gas chromatography extraction unit, a sample inlet, a sample outlet, and an organic liquid inlet, wherein the extraction d... | 09/23/2003 |
| 6575014 | Silicon micro-machined fixed-volume back-flush injector having no unswept dead volume during injection A micro-machined back-flush injector that allows for a sample introduced into the injector to be properly injected into a gas chromatography apparatus in a short time period of between 10 and 100 milliseconds. A micro-machined injector having back-flushin... | 06/10/2003 |
| 6565634 | Injection liner A replaceable injection liner for a gas chromatograph is disclosed having a laterally extending external flange at its input end against which an injection septum is placed. A closure cap is positioned over and around the external flange and the injection... | 05/20/2003 |
| 6541272 | Pulse introduction membrane extraction apparatus and method for separating and analyzing at least one component in a fluid contaminated with the at least one component An apparatus and method for separating and analyzing a component of a fluid sample that is considered to be a contaminant, and particularly, that is or may be an organic material. The invention is predicated on the introduction of the sample fluid in a pu... | 04/01/2003 |
| 6537827 | Method and device for solid phase microextraction and desorption A device for carrying out solid phase microextraction is a fiber contained in a syringe. When it is desired to analyze a sample in a bottle having a septum, the needle is inserted through the septum and the plunger is depressed so that the fiber will exte... | 03/25/2003 |
| 6498042 | PTFE matrix in a sample inlet liner and method of use A sample inlet liner includes a novel matrix that serves to retain an injected sample. The preferred inert matrix is polytetrafluoroethylene (PTFE) that serves to retain an injected sample and is provided in lieu of a conventional packing material. The co... | 12/24/2002 |
| 6475437 | Method and system for preparing samples for gas chromatography The invention relates to a method and device for preparing samples for gas chromatography, the sample material being guided through a liquid chromatograph (1) by a solvent and being monitored by a detector (2), and, on the basis of the detector (2) recogn... | 11/05/2002 |
| 6442995 | Assembly for desorbing sampling tubes; adapter and sampling tubes for such an assembly; and kit of parts for forming such as assembly An assembly for desorbing sampling tubes comprises a gas chromatograph known per se provided with an injector. The sampling tubes are provided with an inflow opening and an outflow opening. The assembly comprises an adapter which is placed in the injector... | 09/03/2002 |
| 6354136 | Gas chromatograph with a temperature-controlled injector The invention relates to a gas chromatograph having a temperature-controlled injector for containing a vaporizer tube with chemical substances, thereon to be analyzed via a gas chromatography column, which temperature-controlled injector and vaporization ... | 03/12/2002 |
| 6260407 | High-temperature characterization of polymers Rapid characterization and screening of polymer samples to determine average molecular weight, molecular weight distribution and other properties is disclosed. Rapid flow characterization systems and methods, including liquid chromatography and flow-injec... | 07/17/2001 |
| 6257047 | Method and apparatus for the introduction of large volume samples in capillary columns for gas chromatography The invention concerns a method and an apparatus for the direct injection of large volumes (>3 μl) of samples into the column in a gas chromatography analysis apparatus comprising an oven, a gas chromatography column lodged in the oven, a means for the d... | 07/10/2001 |
