Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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 |
| 4991586 | Method for monitoring vascular flow using magnetic resonance signals A pulse sequence is disclosed for operating a magnetic resonance system wherein a slice of the examination subject disposed perpendicularly to the flow in a vessel under examination is first selectively excited. A nuclear magnetic resonance signal is read... | 02/12/1991 |
| 4962763 | Magnetic resonance image synthesizing system A magnetic resonance image synthesizing system comprising a magnetic field generating section for generating a static magnetic field, a gradient magnetic field and a radio-frequency magnetic field and for irradiating those magnetic fields to an object to ... | 10/16/1990 |
| 4954779 | Correction for eddy current caused phase degradation A system corrects for phase angles degradation due, for example to eddy currents, and uses the corrected phase angles to determine flow. The system acquires flow compensated low resolution images and uncompensated low and normal resolution images of a flo... | 09/04/1990 |
| 4947837 | Method of blood flow imaging The blood flow imaging method excites selectively a partial region of the body to be tested including blood vessels inside or outside of the view field of image, measures resonance signals by utilizing spins flowing out of the excited region, and images a... | 08/14/1990 |
| 4933844 | Measurement of blood lipoprotein constituents by analysis of data acquired from an NMR spectrometer A method and apparatus for analyzing blood plasma to determine the concentration of its lipoprotein constituents, VLDL, LDL, HDL and proteins includes obtaining the NMR chemical shift spectrum of a sample. Stored reference NMR spectra of the lipoprotein c... | 06/12/1990 |
| 4915111 | Blood flow imaging method A sequence for detecting variations in the blood flow speed in the blood vessel is added before a measurement of imaging signals so as to determine the highest and/or the lowest speed points of time and an examined body is imaged two times at those timing... | 04/10/1990 |
| 4889127 | Nuclear magnetic resonance imaging apparatus A nuclear magnetic resonance imaging apparatus for deriving a signal from a moving part of an object to be imaged, includes a gradient magnetic field generator for applying a gradient magnetic field to the object; and a radio frequency magnetic field gene... | 12/26/1989 |
| 4849697 | Three-dimensional magnetic resonance flow-contrast angiography with suppression of stationary material A metod for providing a three-dimensional nuclear magnetic resonance (NMR) flow-contrast angiograph of fluid flowing substantially only in a predetermined direction, with suppression of stationary material surrounding the fluid, uses the steps of: acquiri... | 07/18/1989 |
| 4844077 | NMR imaging method A slice selection gradient magnetic field used in a pulse sequence for generating a spin echo signal is applied in such a fashion that its polarity at the time of a 90° pulse becomes opposite to the one at the time of 180 ° pulse, in order to expand a d... | 07/04/1989 |
| 4836209 | NMR imaging of moving material using variable spatially selected excitation A method of imaging material flowing through a slab in a body using magnetic resonance techniques includes placing the body in a magnetic field including a first magnetic (z) gradient for slab thickness selection. A first rf pulse (180°) is applied to th... | 06/06/1989 |
| 4827945 | Biologically degradable superparamagnetic materials for use in clinical applications This invention relates to materials exhibiting certain magnetic and biological properties which make them uniquely suitable for use as magnetic resonance imaging (MRI) agents to enhance MR images of animal organs and tissues. More particularly, the invent... | 05/09/1989 |
| 4803431 | Method for imaging three-dimensional moving object A method for imaging a three-dimensional moving object is disclosed, by which a static magnetic field, gradient magnetic fields and high frequency magnetic field are generated; a nuclear magnetic resonance signal due to them coming from an examined object... | 02/07/1989 |
| 4800889 | Rapid-scan NMR angiography A method for providing a nuclear magnetic resonance (NMR) angiographic image substantially only of moving spins associated with fluid flow in a living organism sample having a cardiac cycle at a cardiac rate, and immersed in a main static magnetic field, ... | 01/31/1989 |
| 4788500 | Measurement of capillary flow using nuclear magnetic resonance An improved method for measuring very slow flow rates using nuclear magnetic resonance techniques is disclosed. The basic technique is that of steady state free precession, in which a sequence of radio frequency pulses are applied to nuclei in a magnetic ... | 11/29/1988 |
| 4782295 | Nuclear magnetic resonance flowmeter This invention discloses a flowmeter measuring flow rates by means of magnetic tagging, which comprises a flow passage through a constant magnetic field over a sizable length wherein the constant magnetic field is perpendicular to the direction of the flu... | 11/01/1988 |
| 4777957 | Method for measuring and imaging fluid flow A time-of-flight magnetic resonance pulse sequence is used to detect arterial flow in an image of a slice of tissue. By timing the pulse sequence with the cardiac cycle and by holding the interpulse interval TI within time limits which ensure e... | 10/18/1988 |
| 4777956 | NMR angiography system and method with immunity to inhomogeneity A two-dimensional projection image of the NMR activity within a volume is obtained. The signals due to static material are not excited and do not appear in the projection image. The signals due to moving blood in vessels produce an isolated image of the v... | 10/18/1988 |
| 4739766 | NMR blood vessel imaging method and apparatus High speed selective imaging of blood vessels is accomplished by subjecting an area of interest to a plurality of short repetition time NMR pulse sequences during each high velocity period and low velocity period of a heart beat cycle for several or more ... | 04/26/1988 |
| 4718424 | NMR imaging of blood flow by moment variation of magnetic gradients Selective material projection imaging in which static and flowing material are distinguishable utilizes magnetic gradients whose waveforms have selective moments. The effects of the magnetic field gradients are utilized in obtaining data for a plurality o... | 01/12/1988 |
| 4714081 | Methods for NMR angiography Magnetic field gradient and radio-frequency (RF) pulse signal sequences permitting moving nuclear spins to be selectively detected and then displayed as projected angiographic data in a nuclear magnetic resonance (NMR) image, without the use of contrast a... | 12/22/1987 |
| 4639364 | Methods and compositions for enhancing magnetic resonance imaging Water soluble, substantially nontoxic salts of compounds of the formula: wherein R is --SO3 H, --SO2 NH2 or --PO3 H2, are useful for obtaining fluorine magnetic resonance images of body organs and tissues.... | 01/27/1987 |
| 4602641 | Method and apparatus for NMR detection and imaging of flowing fluid nuclei A unit volume of moving nuclei is spatially tracked by successive selectively applied NMR rf nutation pulses which solicit NMR spin-echo responses from the tracked moving nuclei. For relatively fast moving nuclei, the NMR responses will come only from the... | 07/29/1986 |
| 4574239 | Method for flow measurement using nuclear magnetic resonance Quantitative volumetric flow rates within highly defined regions are determined by a novel technique in which nuclear magnetic resonance is used to determine the fill time for the region of interest. The technique involves the combination of a depolarizat... | 03/04/1986 |
| 4574240 | Method for flow measurement using nuclear magnetic resonance Flow rates across a flat panel are determined in a non-intrusive manner by a novel technique involving the use of nuclear magnetic resonance (NMR). NMR signals requiring two or more time-spaced nuclear spin excitations are generated in a selective manner,... | 03/04/1986 |
| 4532473 | NMR method for measuring and imaging fluid flow A method for measuring (direction and magnitude) and imaging fluid flow in an NMR sample. Nuclei in an imaging slice, transaxial, for example, to a direction of fluid flow, are first tagged (saturated or inverted) and then excited to produce a first NMR s... | 07/30/1985 |
| 4528985 | Blood vessel imaging system using nuclear magnetic resonance A two-dimensional projection image of the NMR activity within a volume is obtained. The signals due to static material are cancelled and do not appear in the projection image. The signals due to moving blood in vessels produce an isolated image of the ves... | 07/16/1985 |
| 4523596 | Blood vessel projection imaging system using nuclear magnetic resonance A two-dimensional projection image of the NMR activity within a volume is obtained. The signals due to static material are cancelled and do not appear in the projection image. The signals due to moving blood in vessels produce an isolated image of the ves... | 06/18/1985 |
| 4520828 | Nuclear magnetic resonance method and apparatus A method and apparatus for determining the rate of flow of a liquid in a selected region of a body by nuclear magnetic resonance techniques. The method includes a sequence of applying a first magnetic pulse (B1 (90°)) effective to excite nucle... | 06/04/1985 |
| 4516582 | NMR blood flow imaging A method and apparatus for producing two-dimensional, plan view images of in vivo blood flow networks using unique nuclear magnetic resonance (NMR) pulse sequences are disclosed. The method teaches the use of a pair of 90° selective pulses separated by a... | 05/14/1985 |
