Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7294513 | Method and apparatus for characterizing solutions of small particles A method and apparatus is described by which means molecules in suspension may be characterized in terms of the size and mass distributions present. As a sample solution is separated by centrifugal means, it is illuminated at a particular radial distance from the ax... | 11/13/2007 |
| 7217365 | Blood filtration methods Methods wherein a blood cell concentration gradient is formed in a pooling unit in which blood is pooled before or after introducing the blood into a filter for eliminating leukocytes followed by the filtration are disclosed. By the first method comprising forming a... | 05/15/2007 |
| 7140239 | System and technique for ultrasonic characterization of settling suspensions A system for determining properties of settling suspensions includes a settling container, a mixer, and devices for ultrasonic interrogation transverse to the settling direction. A computer system controls operation of the mixer and the interrogation devices and rec... | 11/28/2006 |
| 6387327 | Apparatus for the preparation and the performance of sedimentation velocity tests on organic liquids and other substances On a base structure (101, 103), an assembly (104) oscillates about a horizontal axis (X--X) between two limit positions; on said assembly, a rotor (106) is capable of rotating about an axis (Y--Y) of rotation orthogonal to said horizontal axis (X--X) and ... | 05/14/2002 |
| 6278518 | Centrifuging process for sample characterization A process for characterizing at least one sample comprising at least one substance (Si), in which at least one substance (Si) in the sample is identified and in which at least one quantity (Gji) which characterizes a subst... | 08/21/2001 |
| 6098451 | Method and apparatus for rapid determination of blood sedimentation rate An apparatus and method for rapid determination of erythrocyte sedimentation rates for a blood specimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in th... | 08/08/2000 |
| 5844128 | Method and apparatus for rapid determination of blood sedimentation rate An apparatus and method for rapid determination of erythrocyte sedimentation rates for a blood specimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in th... | 12/01/1998 |
| 5827746 | Method to determine the sedimentation of blood and relative device Method and apparatus to determine the sedimentation of blood. A blood sample is taken, and an anti-coagulant substance is added. The sample is homogenized. The method includes a step of measuring an optical density, or absorbance, of the sample as a funct... | 10/27/1998 |
| 5731513 | Method and apparatus for rapid determination of blood sedimentation rate An apparatus and method for rapid determination of erythrocyte sedimentation rates for a bloodspecimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in the... | 03/24/1998 |
| 5594164 | Method and apparatus for rapid determination of blood sedimentation rate An apparatus and method for rapid determination of erythrocyte sedimentation rates for a blood specimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in th... | 01/14/1997 |
| 5367157 | Device for rapidly performing a sedimentation-rate test A device for rapidly performing a sedimentation-rate test is described. A tube (17) containing a given amount of blood specimen is placed in a holder (13, 21, 22) which rotates (23) the tube (17) a predetermined number of revolutions at a given speed abou... | 11/22/1994 |
| 5316729 | Erythrocyte sedimentation rate measuring apparatus An apparatus for measuring the erythrocyte sedimentation rate comprising a measuring head having at least light barrier, which can be moved along a test cell containing a blood sample. The output signals of light detectors (52, 54, 60) of the light barrie... | 05/31/1994 |
| 5279150 | Automated miniature centrifuge A measurement device is provided for determining relative proportions of at least two materials forming a liquid and having different densities and different responses to light. A transparent capillary size cuvette tube confines the sample liquid, and is ... | 01/18/1994 |
| 5237858 | Method for determining the unhydration ratio of cement contained in cement sludge The present invention relates to a method and a system for recycling wash residue of ready mixed concrete include the steps of condensing used cement sludge to a predetermined concentration, storing the condensed sludge, sampling the stored sludge and det... | 08/24/1993 |
| 5133208 | Apparatus for the preparation and execution of tests on the sedimentation rate of organic liquids and other The apparatus of the present invention can be used to measure sedimentation rate of samples. The samples are placed in a sample rotor and are rotatable about a sample rotor axis. The sample rotor axis can be moved into two positions. In one position the s... | 07/28/1992 |
| 4871248 | Method of particle size determination A process for particle size distribution analysis of a particulate substance of particle size in the range of 0.05 to 50 microns, which comprises a photosedimentation method using a horizontal rotating disc centrifuge and a narrow band of a dispersion of ... | 10/03/1989 |
| 4679439 | Method and apparatus for measuring the unsteady sedimentation potential of colloidal particles A method and apparatus for measuring the unsteady sedimentation potential of particle in a suspension comprising: inserting at least a portion of the suspension of particles in a cell, the cell having a first electrode and a second electrode; vibrating th... | 07/14/1987 |
| 4478073 | Method for determining particle size and/or distribution There is provided a new method for analysis of the size and/or distribution of particles emanating from a mother liquid by sedimentation in a rotating disc centrifuge, particularly a photosedimentometer. The method is characterized in that the spin fluid ... | 10/23/1984 |
| 4386519 | Specific surface fractionator The specific surface distribution of a pulp may be obtained by pumping a sample at a pressure to overcome the pressure drop of a plurality of hydrocyclones arranged in series with the apex of leading hydrocyclones connected to the inlet of the next hydroc... | 06/07/1983 |
| 4369648 | Testing method for determining the magnetic properties of ferromagnetic powders The invention relates to a method permitting ferromagnetic powders to be readily tested for their qualification for use in heavy medium suspensions for the float-sink dressing of minerals. To this end, the invention provides (a) for ferromagnetic powder p... | 01/25/1983 |
| 4369649 | Testing method for determining the magnetic properties of ferromagnetic powders The invention relates to a method permitting ferromagnetic powders for use in heavy medium suspensions for the float-sink dressing of minerals to be readily tested as to their efficiency in magnetic separation and demagnetization. To this end, the inventi... | 01/25/1983 |
| 4091659 | Apparatus for measuring white cell count Apparatus for measuring the volume of the buffy coat and constituent cell sub-layers in blood. The apparatus includes a capillary tube with an insert disposed in the tube bore. The insert is formed of a material having a specific gravity which will enable... | 05/30/1978 |
| 4069711 | Method and apparatus for measuring the grain-size of fine powders A method and an apparatus for measuring the grain-size of powders by measuring the changes in concentration of sedimentation liquids in a centrifugal field, wherein the displacement of two interconnected floats is measured in two separate sedimentation ve... | 01/24/1978 |
| 4055076 | Centrifugal granulometer A centrifugal granulometer comprises a hollow circular horizontal plate that is driven in rotation about its vertical axis and that has a transparent peripheral zone. Particulate material is introduced into the interior of the plate at a predetermined dis... | 10/25/1977 |
| 4028930 | Multiple holder for determining hematocrit For the determination of hematocrit percent in blood samples a tubular body is provided having an annular series of elongated container holes for receiving a plurality of blood samples after which the device is subjected to centrifugal force to separate t... | 06/14/1977 |
