U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

Newsletter  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.

 

Class 435/288.5 - Including means for fluid passage between compartments (e.g., between wells, etc.)


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Apparatus with means providing fluid passage between compartments.
No. of patents: 449
Last issue date: 04/24/2012


1                      
NumberTitleIssue Date
8163538Device and method for multiple analyte detection
The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more a plurality of selected analytes. The invention includes, in one aspect, a device for detecting or quantitating a plurality ...
04/24/2012
8158410Recovery of rare cells using a microchannel apparatus with patterned posts
A microflow apparatus for separating or isolating cells from a bodily fluid or other liquid sample uses a flow path where straight-line flow is interrupted by a pattern of transverse posts. The posts are spaced across the width of a collection region in the flow pat...
04/17/2012
8097450Thin film chemical analysis apparatus and analysis method using the same
Disclosed is a thin film chemical analysis apparatus and an analysis method using the same, which can solve the sealing problem caused by environmental factors (e.g. impact, temperature) for long circulation and storage periods, as well as can detect an analyte quic...
01/17/2012
8076127Recovery of rare cells using a microchannel apparatus with patterned posts
A microflow apparatus for separating or isolating cells from a bodily fluid or other liquid sample uses a flow path where straight-line flow is interrupted by a pattern of transverse posts. The posts are spaced across the width of a collection region in the flow pat...
12/13/2011
8062884Handling kit for analyzing a liquid sample by nucleic acid amplification
The invention refers to a handling kit for analyzing a liquid sample, especially by nucleic acid amplification, comprising a disposable sample holding and processing device (1) dimensioned for use in an apparatus for analyzing a liquid sample, and a sample tr...
11/22/2011
8058056Method and apparatus for integrated cell handling and measurements
Method and systems provide improved cell handling in microfluidic systems and devices using lateral cell trapping and methods of fabrication of the same that allow for selective low voltage electroporation and electrofusion. ...
11/15/2011
8043846Device and method for contacting picoliter volumes of fluid
The invention features devices for mixing fluids, e.g., for lysing cells, and methods of use thereof. One device is based on the ability to control the flow of fluids, e.g., by contact angle and channel size. Fluids in this device can be divided to form segments of ...
10/25/2011
8030061Devices and methods for pharmacokinetic-based cell culture system
Devices, in vitro cell cultures, systems, and methods are provided for microscale cell culture analogous (CCA) device. ...
10/04/2011
8030062Microfabricated apparatus for cell based assays
Apparatus and methods are provided for performing cell growth and cell based assays in a liquid medium. The apparatus comprises a base plate supporting a plurality of micro-channel elements, each micro-channel element comprising a cell growth chamber, an inlet chann...
10/04/2011
8021873Portable, point-of-care, user-initiated fluidic assay methods and systems
Methods and systems to perform point-of-care, user-initiated fluidic assays, using substantially self-contained, portable, user-initiated fluidic assay systems. Exemplary assays include diagnostic assays and chemical detection assays. Diagnostic assays may include, ...
09/20/2011
8017382Apparatus and methods for analyte measurement and immunoassay
The present invention relates to an apparatus for conducting a variety of assays for the determination of analytes in liquid samples, and relates to the methods for such assays. In particular, the invention relates to a single-use cartridge designed to be adaptable ...
09/13/2011
8012744Reducing optical interference in a fluidic device
This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care t...
09/06/2011
8003377Pico liter well holding device and method of making the same
The present invention broadly comprises a holding device for studying cells comprising at least one cavity adapted to receive cells in a medium consisting essentially of water, the cavity having a substrate and a generally inert wall, wherein the substrate includes ...
08/23/2011
7993911Microfluidic droplet queuing network
A multi-port liquid bridge (1) adds aqueous phase droplets (10) in an enveloping oil phase carrier liquid (11) to a draft channel (4, 6). A chamber (3) links four ports, and it is permanently full of oil (11) when in use. Oi...
08/09/2011
7947491Microfluidic gradient devices
The present invention relates to devices and systems that may generate and maintain a chemical gradient. In one embodiment, the invention provides a source and a sink channel so that a gradient bridge is created. In another embodiment, the gradient bridge creates a ...
05/24/2011
7935522Microfabricated apparatus for cell based assays
Apparatus and methods are provided for performing cell growth and cell based assays in a liquid medium. The apparatus comprises a base plate supporting a plurality of micro-channel elements, each micro-channel element comprising a cell growth chamber, an inlet chann...
05/03/2011
7919306Biological sample reaction chip, biological sample reaction apparatus, and biological sample reaction method
A biological sample reaction chip, including: a plurality of reactors disposed on one plane; a reaction fluid distribution channel connected via a microchannel to each reactor and provided on the plane on which the plurality of reactors are disposed; and a reaction ...
04/05/2011
7915034Apparatus and method for culturing oocytes, embryos, stem cells and cells
An apparatus for the culturing of oocytes, embryos, stem cells and cells allows the culturing of the specimens by communally growing or grouping of the specimens and maintains identification of the specimens and allows for the ease in use and location of the specime...
03/29/2011
7892819Mesoscale polynucleotide amplification devices
Disclosed are devices for amplifying a preselected polynucleotide in a sample by conducting a polynucleotide amplification reaction. The devices are provided with a substrate microfabricated to include a polynucleotide amplification reaction, chamber, having at leas...
02/22/2011
7888110Pico liter well holding device and method of making the same
The present invention broadly comprises a holding device for studying cells comprising at least one cavity adapted to receive cells in a medium consisting essentially of water, the cavity having a substrate and a generally inert wall, wherein the substrate includes ...
02/15/2011
7824901Non-uniform electric field chamber for cell fusion
An apparatus is provided for carrying out fusion of biological cells (10) and includes a base member (24) on which a conductive outer electrode (18) is supported and has an outer electrode radius (r2) and has an electrode height (19
11/02/2010
7795012Device for performing analysis on cell cultures
A device for investigating activities of cell cultures in a liquid culture medium includes a receptacle for the culture medium, and one or more sensors for measurement of cell culture activities. An opening for adding and removing liquid culture medium is provided. ...
09/14/2010
7795011Sample processing apparatus and method using vacuum chamber
A bio sample processing apparatus and method using vacuum chambers in which a bio sample is injected into a first vacuum chamber connected with one end of a bio processor and, after processing, is ejected into a second vacuum chamber connected with the other end of ...
09/14/2010
7790441Polymerase chain reaction kit and method of manufacturing the same
The present invention provides a kit employed for polymerase chain reaction. The kit has a cavity and a flow channel on a substrate. The flow channel is separated from the cavity by at least a barrier formed along the cavity. Such a structure allows the cavity to be...
09/07/2010
7763455Raised surface assay plate
The assay plate includes a substrate having an substrate surface and at least one raised pad extending from the substrate surface. The raised pad includes a substantially planar sample receiving surface configured for holding a sample thereon for in situ experimenta...
07/27/2010
77634563D micro-scale engineered tissue model systems
A polymeric chip having at least one three-dimensional porous scaffold, a microfluidic channel inlet to the porous scaffold, and a microfluidic channel outlet from the porous scaffold. In one embodiment, the polymeric chip has two three-dimensional porous scaffolds:...
07/27/2010
7754476Biochemical reaction cartridge
A biochemical reaction cartridge includes an injection port for a liquid specimen, and a chamber for containing the liquid specimen. The chamber includes at least a portion which is a transparent portion through which the liquid specimen in the chamber is visually o...
07/13/2010
7745207Microfluidic devices
Methods and devices for the interfacing of microchips to various types of modules are disclosed. The technology disclosed can be used as sample preparation and analysis systems for various applications, such as DNA sequencing and genotyping, proteomics, pathogen det...
06/29/2010
7736891Microfluidic assay system with dispersion monitoring
Disclosed is a microfluidic assay system and methods that apply flow injection analysis to permit dispersion monitoring. A solution containing a reagent that binds an analyte and a tracer is delivered via pressure-driven flow into the receiving end of the injection ...
06/15/2010
7718421Sample processing
A sample processing tubule may include a first segment, a second segment, and a third segment. Each segment may be defined by the tubule, may be fluidly isolated, at least in part by a breakable seal, may be so expandable as to receive a volume of fluid expelled fro...
05/18/2010
7695956Device for cell separation and analysis and method of using
A microflow device for separating or isolating cells from a bodily fluid or other liquid sample uses a flow path where straight-line flow is interrupted by a pattern of transverse posts which are arranged across the width of a collection region in an irregular or se...
04/13/2010
7648835System and method for heating, cooling and heat cycling on microfluidic device
An integrated heat exchange system on a microfluidic card. According to one aspect of the invention, the portable microfluidic card has a heating, cooling and heat cycling system on-board such that the card can be used portably. The microfluidic card includes one or...
01/19/2010
7629166Measuring apparatus for interaction of biomolecule
In a measuring apparatus for biomolecule interaction, a fine particle sensor surface is dipped in a buffer solution in a reaction vessel to conduct spectral measurement by way of optical fibers. The buffer solution in the reaction vessel is made to enter an upper re...
12/08/2009
7625748Flow cell device, sensor unit and assay apparatus
A flow cell device is incorporated in the sensor unit for surface plasmon resonance (SPR) assay. A box shaped flow cell body has a lower surface, and is disposed in contact of the lower surface with a sensing surface for detecting reaction of sample. Two flow channe...
12/01/2009
7592172Rotatable sample disk and method of loading a sample disk
A rotatable sample disk configured for samples of biological material. The sample disk may include a fill chamber for storing a first biological material, a plurality of first sample chambers positioned in the sample disk farther from the rotational axis of the samp...
09/22/2009
7544507Microfluidic chip for high-throughput screening and high-throughput assay
Disclosed is a micro-fluidic chip for high-throughput screening and high-throughput assay, in which its structure is improved, thereby enhancing the efficiency of high-throughput screening and high-throughput assay. The micro-fluidic chip includes a well for isolati...
06/09/2009
7544506System and method for heating, cooling and heat cycling on microfluidic device
An integrated heat exchange system on a microfluidic card. According to one aspect of the invention, the portable microfluidic card has a heating, cooling and heat cycling system on-board such that the card can be used portably. The microfluidic card includes one or...
06/09/2009
7521227Cell observation chamber
A biological cell observing chamber (30), wherein an intermediate support body (32) forming a skeleton outer shell structural part is mounted on a bottom support body (31) and a cover block body (33) is mounted on the bottom support body ...
04/21/2009
7485454Microreactor
Chemical and biological reactors, including microreactors, are provided. Exemplary reactors include a plurality of reactors operable in parallel, where each reactor has a small volume and, together, the reactors produce a large volume of product. Reaction systems ca...
02/03/2009
7452713Process for manufacturing a microfluidic device with buried channels
A process for manufacturing a microfluidic device, including the steps of: forming at least one channel in a semiconductor material body; forming a dielectric diaphragm above the channel, for closing the channel; and forming heating elements for providing thermal en...
11/18/2008
1                      
 
Sign InRegister
Username  
Password   
forgot password?