Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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 |
| 5188935 | Reagent system and method for identification, enumeration and examination of classes and subclasses of blood leukocytes Specified classes and subclasses of leukocyte blood cells are identified by immunohematology procedures, based on utilization of antigenic determinants on the cell surface, their reactivity with antibodies which fluoresce under known circumstances, and id... | 02/23/1993 |
| 5155044 | Lysing reagent system for isolation, identification and/or analysis of leukocytes from whole blood samples A method and reagent system are disclosed for the rapid isolation, identification and/or analysis of leukocytes from a whole blood sample. The method and reagent system of this invention has application to any environment in which the study and/or analysi... | 10/13/1992 |
| 5125737 | Multi-part differential analyzing apparatus utilizing light scatter techniques Disclosed is a flow through particle analyzing cell differentiating apparatus for optical and electronic measurements on a stream of particles in which a hydrodynamically focoussed stream is passed into and through a point focussed beam of radiated energy... | 06/30/1992 |
| 5022547 | Multiple fluid container assembly A fluid container assembly including one large, relatively narrow container having an orthogonally shaped recess or depression in a wall portion thereof, and two small fluid containers nested within the recess. The recess has means therein engagable with ... | 06/11/1991 |
| 4972137 | Isolation circuit for blood cell counter A particle counter, of the type utilizing a Coulter(R) type aperature and a suction flow path downstream from the aperture, has a pair of electrodes on both sides of the aperture. A current is provided from the downstream electrode to the upstream electro... | 11/20/1990 |
| 4962038 | Multi-purpose blood diluent and lysing agent for differential determination of lymphoid-myeloid population of leukocytes An isotonic multipurpose blood diluent, and a method for use of this diluent with a weak lysing reagent system which is especially suitable for routine enumeration of traditional hemogram values, and also the determination of lymphoid-myeloid populations ... | 10/09/1990 |
| 4957008 | Fluid sampling and transfer valve assembly A liquid sampling, metering and transfer valve assembly for providing plural dilutions of a single liquid sample comprising a pair of outer stationary elements sandwiching a rotatable element, the rotatable element carrying precise volume segmenting passa... | 09/18/1990 |
| 4921206 | Snap-together solenoid operated pinch valve assembly A solenoid operated pinch valve including a housing and a hollow molded body coupled to said housing by a snap-on connection, a solenoid coil assembly seated within the housing, a plunger accommodated within said solenoid coil assembly for axial movement ... | 05/01/1990 |
| 4887473 | Bellows pump and actuating apparatus Bellows pump and actuating apparatus for automatically aspirating biological sample fluid material into and through an aspirating probe from a source of fluid sample material, into and through a sample segmenting valve for passage through a counting devic... | 12/19/1989 |
| 4858154 | Interlaboratory quality assurance program An improved procedure for statistically evaluating the performance, precision and/or accuracy, of at least one analytical instrument in a pool of like or substantially like instruments by comparing the performance of the one instrument located in one labo... | 08/15/1989 |
| 4801534 | Water soluble zanthylium derivative substrates Water soluble xanthylium derivative substrates of rhodamine 110 and rhodol permit spectrophotometric and fluorescent measurements of trypsin-like enzymes without the addition of organic solvent additives and/or special water solubilizing agents. These nov... | 01/31/1989 |
| 4791355 | Particle analyzer for measuring the resistance and reactance of a particle A circuit, which is useful to provide data needed to measure the electrical opacity of a particle, for instance a blood cell, passing through a Coulter type transducer, includes a current source for providing a conventional d.c. current through the sensin... | 12/13/1988 |
| 4775833 | Lodged debris detector for a particle analyzer A debris detector for a particle counter, such as a blood cell counter, of the COULTER (R) type. When a particle, or transient debris, passes through the sensing orifice of the particle detector, a voltage pulse occurs; whereas, when debris lodges in or a... | 10/04/1988 |
| 4752690 | Method and apparatus for detecting incongruities, such as air bubbles, in fluid material Apparatus for detecting contaminants, including emboli, in a blood sample prior to blood cell analysis, wherein fluid density sensors are arranged on opposite sides of a fluid segmenting valve to provide electrical signals indicative of the degree of opti... | 06/21/1988 |
| 4751179 | Method and reagents for differential determination of four populations of leukocytes in blood This invention describes a reagent system, including saponin in a lysing reagent and a rapidly active cross-linking agent such as glutaraldehyde as a fixing reagent, which reproducably affects whole blood to cause the red blood cells to stromatolyze and m... | 06/14/1988 |
| 4746233 | Automatic printing apparatus utilizing turnaround document Automatic printing apparatus wherein a single turnaround item-document is utilized as an initial source of intelligible information-data and thereafter by comparing certain of the data on the document with additional data inputted thereto by means of oper... | 05/24/1988 |
| 4730155 | Sampling valve including sample ejection means A slide motion sampling valve for use with a particle study device and carrying an expansive type microsyringe having a minimum trapped volume. The sampling valve is formed of a slidably movable member carrying a trapping volume, an expansive element and ... | 03/08/1988 |
| 4704364 | Hematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systems This invention primarily is directed to a hematology reference control solution, the three separate white cell control portions thereof consisting of three types of fixed red cells of determined size distribution for checking the operation of a particle a... | 11/03/1987 |
| 4702889 | Liquid sampling valve A liquid diluting and transfer valve has disc like valve elements provided with faces frictionally engaged. The valve further includes passageways for passing both sample liquid and rinse liquid and a continuous groove formed in one of the respective face... | 10/27/1987 |
| 4694070 | Water soluble xanthylium derivatives substrates Water soluble xanthylium derivative substrates of rhodamine 110 and rhodol permit spectrophotometric and fluorescent measurements of trypsin-like enzymes without the addition of organic solvent additives and/or special water solubilizing agents. These nov... | 09/15/1987 |
| 4666595 | Apparatus for acoustically removing particles from a magnetic separation matrix An apparatus for dislodging fragile particles, such as intact biological cells, retained by the separation matrix in a flow chamber of a magnetic separation system. The apparatus incorporates a piezoelectric transducer which is coupled to the matrix and a... | 05/19/1987 |
| 4664796 | Flux diverting flow chamber for high gradient magnetic separation of particles from a liquid medium A system for the magnetic separation of fragile particles, such as intact biological cells, from a fluid medium. The system includes at least one high-gradient magnetic separator having a flow chamber housing an interstitial separation matrix and associat... | 05/12/1987 |
| 4653719 | Fluid conduit and pinch valve for use therewith A molded flexible fluid conduit and a make/before break pinch valve including a slidably movable pressure member spring biased normally against said conduit in closed condition of the valve, said conduit including a pair of elongate longitudinal unitary p... | 03/31/1987 |
| 4645079 | Shipping and storing support A shipping and storing support having recesses so constructed and arranged to ship and store selectively a plurality of articles having varying dimensions, the recesses having a plurality of internal contours for selectively receiving the articles to be r... | 02/24/1987 |
| 4631483 | Particle analyzing apparatus and method of moving particles in suspension through such apparatus A particle analyzing apparatus and method of moving and counting particles in suspension through such an apparatus. The particle analyzing apparatus comprises a particle counting device wherein particles in suspension are caused to be moved through an ape... | 12/23/1986 |
| 4609017 | Method and apparatus for transporting carriers of sealed sample tubes and mixing the samples A plurality of sealed blood sample tubes are housed in a rack and a plurality of these racks are vertically stacked, with the sample tubes lying horizontally. The racks are successively deposited onto a horizontal conveyor belt which is housed in and move... | 09/02/1986 |
| 4580096 | Isotachophoresis analyzer for inductively detecting boundaries between adjoining substances having different conductivities Disclosed is an inductance detector for detecting boundaries between and characteristics of at least two adjoining substances having different characteristics, such as impedance, wherein a coil assembly, which is energized by an alternating current, is el... | 04/01/1986 |
| 4566110 | Auto-zeroing linear analog to digital converter apparatus and method Offset-error included data normally is output from a single ramp analog to digital converter in response to input information applied thereto during light or cuvette sample intervals. During dark sample intervals between the cuvette sample intervals, the ... | 01/21/1986 |
| 4560650 | Method and compositions for determination of gamma glutamyl transpeptidase A two-reagent assay system for determination of gamma glutamyl transpeptidase enzyme activity in a biological fluid. Gamma glutamyl-p-nitroanalide substrate for the enzymatic reaction is provided in a first reagent which is a dry mixture of the substrate ... | 12/24/1985 |
| 4538885 | Optical microscope system An optical microscope system includes an optics system and a frame. A selectively controlled stage assembly is coupled to the frame by vacuum-retained air-bearings. An air vacuum chuck coupled to the stage selectively aligns and supports an object-bearing... | 09/03/1985 |
| 4534465 | Cassette for supporting test tubes of different diameters and/or lengths A stackable cassette or rack for supporting a plurality of sealed sample containers having different diameters and/or lengths and transporting the same to a testing station of a hematology analyzer device. The cassette comprises a body having a top and a ... | 08/13/1985 |
| 4535284 | High and low frequency analysis of osmotic stress of cells Disclosed is a method wherein osmotic activity of biological cells immersed in a suspension solution is induced by an osmotic or lytic shock and is monitored in an electronic volume sensing particle analyzer of the Coulter Counter.RTM. type, the method in... | 08/13/1985 |
| 4529705 | Reagent for combined diluting and lysing whole blood An improved reagent provides combined diluting and lysing of whole blood for use in instruments performing electronic blood cell counting and hemoglobin determination. The reagent prevents platelet aggregation and improves the accuracy of the white blood ... | 07/16/1985 |
| 4528274 | Multi-purpose blood diluent and lysing agent for differential determination of lymphoid-myeloid population of leukocytes A method and reagent system is described for differential determination of more that one class of leukocyte populations, using an automatic blood cell analyzer. The reagent system includes a blood diluent and stromatolyzing reagent. The blood diluent is a... | 07/09/1985 |
| 4527114 | Electrical slit scanning apparatus A particle analyzer apparatus comprising a flow cell having a flow chamber wherein a flow of liquid suspension, having individual particles entrained therein, proceeds along a predetermined path; a pair of electrodes are disposed on opposed sides of the p... | 07/02/1985 |
| 4525666 | Cell breakdown A particle analyzing apparatus for studying a stream of membrane-sheathed particles in liquid suspension wherein, for a given particle, a first particle pulse signal is obtained from a first sensing aperture having a first low frequency electrical field w... | 06/25/1985 |
| 4523841 | Radiant energy reradiating flow cell system and method In an apparatus in which particles which may include biological cells are passed through an optical sensing zone to measure their spatial radiant energy distribution for the purpose of identifying and/or characterizing the particles or cells, a structure ... | 06/18/1985 |
| 4521518 | Multi-purpose blood diluent and lysing agent for differential determination of lymphoid-myeloid population of leukocytes An isotonic multipurpose blood diluent, and a method for use of this diluent with a weak lysing reagent system which is especially suitable for routine enumeration of traditional hemogram values, and also the determination of lymphoid-myeloid populations ... | 06/04/1985 |
| 4516522 | Slide preparation apparatus A portable, manually operable device for preparing a monolayer film of a biological fluid sample or the like on a slide for microscopic examination. Said device includes a base for retaining the slide thereon and a spreader manually movable linearly relat... | 05/14/1985 |
| 4513438 | Automated microscopy system and method for locating and re-locating objects in an image A microscopy system for automatically locating and re-locating objects-of-interest in an image which has one or more objects against a background. Each of the objects-of-interest is characterized by a predetermined set of features. In a preferred form, th... | 04/23/1985 |
