Thomas Edison obtained a patent for an electrographic vote recorder.
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| Number | Title | Issue Date |
| 7981384 | Liquid aspirator and analyzer provided with same Liquid aspirators are described that include an aspirating pipette; a drive source for descending the aspirating pipette; and a controller for controlling the drive source; the aspirating pipette being stopped from being descended by loss of synchronism of the drive... | 07/19/2011 |
| 7726210 | Sample movement control unit, sample movement parameters acquisition method, and sample movement control method There is provided a device and a method capable of simply manipulating a sample, without the need for an expensive device. A device of the present invention comprises a pipette 4, and vibration section 5, a control section 7 and a storage... | 06/01/2010 |
| 7559262 | CVS system sample water vapor management An exhaust sampling system is disclosed that includes a pre-fill gas source having a pre-fill gas. A sampling conduit is configured to collect exhaust gas and make-up gas. A sample bag is fluidly connected to the sampling conduit and the pre-fill gas source. A contr... | 07/14/2009 |
| 7435339 | Filter device integrating sampled volume control The invention relates to a drainage device for a filter unit for microbiological testing of liquids, said drainage device including a mechanical support (10), which is adapted to receive a filter unit (16), and an suction pump (22) connected to ... | 10/14/2008 |
| 7406885 | Variable response time transient partial flow sampling system and method A partial flow dilution tunnel in a gas sampling system is connected to the exhaust from an internal combustion engine. More accurate gas sampling results are enabled for accounting for a delay from when the engine produces an exhaust change to when that transient a... | 08/05/2008 |
| 7406886 | Injector An injector has a sample chamber for retaining a small amount of sample, wherein a position of the sample chamber is controlled by transmitting light through the sample chamber and detecting the transmitted light so as to recognize the position of the sample chamber... | 08/05/2008 |
| 7404340 | Exhaust gas particulate measuring system A gas sampling system 36 capable of testing and certifying internal combustion engines 16 under transient conditions is provided and includes a partial flow dilution tunnel 38, master and slave mass flow controllers 80,60 and a transient ... | 07/29/2008 |
| 7404927 | Automated molecular pathology apparatus having fixed slide platforms Apparatus and methods for automatically staining or treating multiple tissue samples mounted on slides are provided, in which the slides and reagent bottles are held in fixed position, and the reagent and wash solutions brought to the slides. ... | 07/29/2008 |
| 7399447 | Active sampler for detecting contaminants in liquids An active sampler for detecting contaminants in liquids comprises an inlet tube, and outlet tube and a sampling unit positioned between said paths such that the liquid flows along a path from the inlet, through the sampling unit, to the outlet. The sampling unit has... | 07/15/2008 |
| 7384604 | Sample introduction system A sample introduction system includes at least two, and preferably three, syringe pumps. The flow rates of two of the syringe pumps are varied, while keeping the overall flow rate constant. The sample introduction system is preferably utilized in an analytical instr... | 06/10/2008 |
| 7377186 | Engagement of a sensor system with a vehicle operating device A steering wheel has a structural skeleton forming a core within an outer covering, the covering and skeleton forming a hub portion having at least one arm interconnecting the hub portion with an outer wheel portion. The skeleton within the outer wheel portion has a... | 05/27/2008 |
| 7373847 | Automatic thermal desorption apparatus and method An analytical apparatus for automatically carrying out a plurality of analytical steps, which apparatus includes: a releasing device for releasing a sample from a sampling tube; device for analyzing a first portion of the released sample; a collecting device for col... | 05/20/2008 |
| 7369945 | Apparatus and method for storing and transporting data related to vapor emissions and measurements thereof The present invention provides apparatus and a methods for collecting, transmitting and storing fugitive gas emission data. An embodiment of the invention collects fugitive gas with a sampling probe and into a emission monitoring device. The device then sends and st... | 05/06/2008 |
| 7363830 | Discrete volume sampling device using a vacuum A discrete volume vacuum sampling device is provided with a vacuum tube, a sample tube, and a sample container. The container defines a discrete volume of product to be sampled from a product bed within a processing machine. The sampler tube extends between the cont... | 04/29/2008 |
| 7361509 | Dynamic metered fluid volume determination method and related apparatus A method for dynamically determining the volume of a liquid dispensed by a metering system, the metering system including a metering pump, a pump motor, a sensor, and a conduit interconnecting the pump and a metering probe. The method includes the steps of aspiratin... | 04/22/2008 |
| 7353688 | Methods and systems for determining a position of a probe The present methods and systems include aligning at least two sensors with one or more known locations, selecting at least two of the at least two sensors, electrically driving the probe, based on signals received by the selected sensors, determining whether the pro... | 04/08/2008 |
| 7354510 | Extracting apparatus A mechanism for introducing pressurized air into an extracting cartridge comprises an air pump, an on-off valve, and a pressure sensor for detecting an internal pressure within the extracting cartridge. The on-off valve is turned on in order to introduce the pressur... | 04/08/2008 |
| 7347112 | Air sampler with integrated airflow sensing Air sampler with integrated airflow sensing. The air sampler according to at least some embodiments includes an air mover that is operable to move air over a sampling media. An integrated airflow sensor is in fluid communication with the air mover. The air mover ope... | 03/25/2008 |
| 7339836 | Data collector A data collector to be installed in an electrical storage device has a data reader and a base. The data reader is to be connected to the electrical storage device to store status data detected by the electrical storage device. The stored data has a specific format. ... | 03/04/2008 |
| 7305895 | Bernoulli mushroom inlet housing for efficient air sampling A collection apparatus is provided for receiving a portion of a medium that flows around the apparatus and directing the portion into a collector. The apparatus includes an axisymmetric streamline receiver and a support member. The streamline receiver includes a cha... | 12/11/2007 |
| 7303725 | Automated high volume slide staining system An automated slide processing apparatus includes a plurality of work stations arranged in a stack, and a transport/elevator for transporting slides between the various work stations. ... | 12/04/2007 |
| 7299690 | Particulate sampling system and method A method for controlling the flow through an exhaust sampling system includes sensing an operating characteristic of a power source, extracting a sample of an exhaust flow of the power source, combining the sample with an additional flow of fluid, and measuring a pa... | 11/27/2007 |
| 7293473 | Method and apparatus for sampling biological particles in an air flow A method and apparatus for sampling potential biohazard particles in an air flow tests for biological particles in the air flow; collects a sample of particulate matter from a specific portion of the air flow in response to an indication in the step of sensing of th... | 11/13/2007 |
| 7294309 | Small volume liquid handling apparatus and method A fluid dispensing system comprising: a fluid container; a dispensing head in fluid communication with the fluid container; a displacement mechanism which delivers fluid from the fluid container to the dispensing head such that an aliquot of liquid is delivered to a... | 11/13/2007 |
| 7284453 | Method and apparatus for maximizing liquid aspiration from small vessels Apparatus and method for aspirating liquid from a container, e.g., a test tube or other vessel, includes apparatus for sensing that an aspiration probe tip is contacting the inside bottom wall of the container, whereby a maximum volume of liquid can be aspirated fro... | 10/23/2007 |
| 7281440 | Particulate sampling system having flow check device A particulate sampling system is disclosed. The particulate sampling system may include an exhaust sampling unit and a dilution flow assembly to supply dilution air to the exhaust sampling unit. The particulate sampling system may also include a total flow assembly ... | 10/16/2007 |
| 7278328 | Method and apparatus for handling sample holders A sample handling apparatus identifies sample holders and their location in a sample holder carrier. This information may be used to determine the identity of sample holders based only on location in the carrier during subsequent processing of material contained in ... | 10/09/2007 |
| 7270785 | Automated molecular pathology apparatus having fixed slide platforms Apparatus and methods for automatically staining or treating multiple tissue samples mounted on slides are provided, in which the slides and reagent bottles are held in fixed position, and the reagent and wash solutions brought to the slides. ... | 09/18/2007 |
| 7270788 | Assay device processing instrument An assay device processing instrument comprises a plurality of processing modules. A transport system transports an assay device to each processing module, the transport system being adapted to transfer the assay device from the transport system to the module to ena... | 09/18/2007 |
| 7252016 | Injector An injector has a sample chamber for retaining a small amount of sample, wherein a position of the sample chamber is controlled by transmitting light through the sample chamber and detecting the transmitted light so as to recognize the position of the sample chamber... | 08/07/2007 |
| 7243559 | Exhaust gas particulate measuring system A gas sampling system 36 capable of testing and certifying internal combustion engines 16 under transient conditions is provided and includes a partial flow dilution tunnel 38, master and slave mass flow controllers 80,60 and a transient ... | 07/17/2007 |
| 7237562 | Substrate processing apparatus and control method of inert gas concentration Provided is a substrate processing apparatus capable of supplying pure water that is stabilized with respect to the concentration of nitrogen gas. First and second nitrogen concentration meters to measure the nitrogen gas concentration of pure water are respectively... | 07/03/2007 |
| 7219567 | Combinatorial pipettor device A combinatorial pipettor device for the collection of a sample adapted for use with different size microtiter plates. The device comprises an upper plate having first and second halves, each half independently movable between an upper and a lower position, and a low... | 05/22/2007 |
| 7216556 | Tubing for transporting air samples in an air monitoring system An air monitoring system includes a tubing having a metallic inner layer and an outer jacket to provide optimal transport of air samples. ... | 05/15/2007 |
| 7197948 | Method of dosing liquid volumes and apparatus for the execution of the method Method for dosing liquid volumes, wherein a sample pickup portion with a pickup volume, the boundary of which is perforated with a liquid passage guiding to the outside and a gas passage, is dipped into a liquid with the liquid passage, a negative pressure is sudden... | 04/03/2007 |
| 7178414 | Automation of liquid phase microextraction A method and apparatus for automatically performing liquid microextraction on liquid samples includes the steps of controlling movement of a syringe between a cleaning station, a sample station containing a plurality of discrete sample vials and an instrument inject... | 02/20/2007 |
| 7168390 | Milk sampling apparatus and method A milk sampling apparatus for use with an automated milking system. The apparatus may include a cassette wherein milk sample collecting elements may be placed, and at least one filling member capable of being placed above a selected one of the milk sample collecting... | 01/30/2007 |
| 7159474 | Modular sampling device A sampling device is disclosed. The sampling device is portable and capable of taking two samples in parallel. The sampling device can include two filter locations that are subjected to similar environmental conditions. The sampling device design facilitates easy as... | 01/09/2007 |
| 7160513 | Batch reactor with injection system An apparatus and method for injection of one or more chemical components into a reaction chamber are disclosed. The apparatus includes a reaction chamber for receiving one or more libraries in a fixed position relative to the chamber and configured to form a sealed ... | 01/09/2007 |
| 7155988 | Dual air particle sample cassette An air particle sample cassette enables concurrent or sequential collection of air particle samples. The dual air particle sample cassette has top and bottom covers that fit together to provide an airtight seal between them. The airtight seal may be provided by adhe... | 01/02/2007 |