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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 6090955 | Liposome-encapsulated taxol, its preparation and its use The aim of the invention is to produce liposome-encapsulated taxol with a high taxol concentration and high stability and hence a high therapeutic effect. The invention involves the development of specific forms of taxol encapsulation and the use of these... | 07/18/2000 |
| 6068279 | Two wheel drive bicycle A two wheel drive bicycle has fixed rear wheel and a turnable front wheel, a chain ring rotatable by way of an external rotation force, and a bicycle frame comprising a top tube and a head tube. A front drive chain runs, in sequence, from the chain ring, ... | 05/30/2000 |
| 6069903 | Method and device for frequency conversion, particularly for the frequency doubling of fixed frequency lasers The invention relates to a method and device for frequency conversion, particularly for frequency doubling and particularly of continuous fixed frequency laser radiation, of semi-monolithic design with a ring resonator consisting of a mirror and an optica... | 05/30/2000 |
| 6046050 | Human liver cell line The invention refers to a new human liver cell line which may be used for toxicological, physiological and, in particular, gene therapeutic examinations. Fields of application are molecular biology, medicine and pharmaceutical industry. The new human live... | 04/04/2000 |
| 6037465 | Universal process for isolating and purifying nucleic acids from extremely small amounts of highly contaminated various starting materials A universal process is disclosed for extracting and purifying nucleic acids from extremely small amounts of highly contaminated various biological and other starting materials. The invention has applications in forensic medicine, medical diagnosis, molecu... | 03/14/2000 |
| 6033664 | Use of a preparation comprising a plasminogen activator to improve wound healing The present invention relates to the use of non-bacterial plasminogen activators in the manufacture of a topical medical preparation for the treatment of slow- or non-healing wounds. In addition, the present invention relates to a composition comprising a... | 03/07/2000 |
| 6029834 | Childproof and tamper-proof container closure for containers A childproof and tamper-proof closure for a container has an outer cap which can be twisted relative to the inner cap and can be shifted axially. Coupling projections on each of the caps can be brought into and out of engagement by the axial displacement ... | 02/29/2000 |
| 6028946 | Microphone with associated amplifier The problem addressed by the invention, to develop a microphone with assoted amplifier which has a better dynamic response than analog microphones, requires less space, can replace analog microphones by using cables already in place, and has a low-cost c... | 02/22/2000 |
| 6025553 | Portable music performance device A portable music performance device combines an external audio input, such as a singer's voice singing the lyrics of a song into a microphone, and stored musical accompaniment data for the song, preferably data stored in a ROM package, and produces an RF ... | 02/15/2000 |
| 6025195 | Liver-specific adenovirus expression vector The invention concerns an adenovirus vector for liver specific gene thera fields of application in medicine are the treatment of gene defects and tumour diseases of the liver and molecular biology. The vector according to the invention is marked by the f... | 02/15/2000 |
| 6021322 | AM radio receiver In an AM radio receiver, a radio-frequency tuning circuit comprises a tuning coil, and variable capacitance diode elements connected to the tuning coil; a local oscillator circuit comprises an oscillator coil, a variable capacitance diode element connecte... | 02/01/2000 |
| 6020826 | Finger ring with information storage unit A finger ring is provided with an information storage unit (21) and at least two electrically conductive, mutually insulated ring elements that serve as contacts(1). To enable quick and reliable mating of the contacts (1) of the ring with corresponding ma... | 02/01/2000 |
| 6019825 | Hydrocyclone gas separator A hydrocyclone for separating a combined phase input stream has two nesting truncated, downwardly tapering conical members having an annular space therebetween. A tangential inlet leads to the annular space between the conical members. Alternate embodimen... | 02/01/2000 |
| 6017519 | Composition for permanent waving of human hair This invention refers to a composition for permanent waving of human hair, containing thioglycolic acid or the salts thereof, preferably the ammonium salt, and comprising two compositions which are kept separate until application, whereof a Composition (A... | 01/25/2000 |
| 6009355 | Multimedia information and control system for automobiles In a multimedia information and control system for use in an automobile, at least one interface is employed which enables a user to access information concerning the automobile and control vehicle functions in an efficient manner. The user may select one ... | 12/28/1999 |
| 6004408 | Nickel-chrome-iron based alloy composition The invention relates to precipitation hardened alloy compositions comprising the following elements, with the contents expressed in % by weight: ______________________________________ nickel: ࣙ52.00% chromium: 20.50%-... | 12/21/1999 |
| 6001254 | Method of operating and monitoring a group of filter membrane modules, and a group of modules implementing the method A method of operating and monitoring a group of filter membrane modules connected in parallel and with the modules being periodically backwashed, in which: raw water to be treated is injected at a regulated pressure and the permeate outlet pressure is reg... | 12/14/1999 |
| 5997782 | Multi-component composite material and method for producing a laminar multi-component composite material from a halogen compound-free flexible plastic This invention is directed ro flexible plastic sheets of a thermoplastic material with a wear resistant surface, these sheets or panels have a monochromatic or multicolored or colored patterned design, especially in the area of manufacturing wear resistan... | 12/07/1999 |
| 5996448 | Socket wrench A socket wrench has a rigid extension provided for attachment to the handle portion. The extension has at a first end thereof a receiving portion for matingly receiving a spline-drive shank of the wrench handle through a rear face of the extension, and ha... | 12/07/1999 |
| 5989530 | Bleaching composition for human hair and process for its production A dustless, free-flowing powdery bleaching material for human hair which comprises a powdery composition of at least one solid peroxide compound and at least one pulverulent carrier material admixed with an oil and/or a liquid wax.... | 11/23/1999 |
| 5991313 | Video transmission apparatus A video transmission apparatus comprises video codec for compression-encoding video data to be transmitted and decompression-decoding video data as received; a first audio codec for compression-encoding first audio data to be transmitted and decompre... | 11/23/1999 |
| 5989489 | Method for manufacturing a composite material The invention relates to a method for manufacturing a composite material wherein by dynamic densification of an amount of granular or powdered relatively brittle material or a mixture of one or more of such materials, a continuous porous product is obtain... | 11/23/1999 |
| 5985013 | Ablative material for fire and heat protection and a method for preparation thereof A method and a mixture for preparing an ablative material for fire and heat protection is provided. The mixture includes calcium sulfate hemihydrate and a hydrated salt and the ablative material is prepared by adding water to the mixture.... | 11/16/1999 |
| 5975973 | Swim fin The present invention provides a swim fin with a foot pocket adapted to receive a specific foot of a user and having its end conforming substantially to the alignment of the toes of the user, a blade extending from the foot pocket to a free end and having... | 11/02/1999 |
| 5978457 | Alarm communication method and device An alarm communication device and a method for mutual recognition between a first alarm unit and a second unit connected therebetween by a public switching unit is provided. The first alarm unit is connected to the public switching unit via at least one f... | 11/02/1999 |
| 5976890 | Reduction furnace process for quantitative deuterium determination in hydrogen containing samples The invention relates to a method for the quantitative determination of deuterium in samples containing hydrogen, and to a reduction oven for reducing gaseous or liquid substances containing hydrogen, which may be coupled directly to an isotope ratio mass... | 11/02/1999 |
| 5964369 | Mobile collapsible floating oil container This invention relates to a flexible, collapsible, floating container (1) for receiving and holding liquids such as oil recovered from oil spills. Specifically, the invention relates to a continuous, sealed, collapsible container having an upper portion w... | 10/12/1999 |
| 5961277 | Inspection device and method There is provided an inspection device and method for inspecting a pump having a casing defining an internal surface and a plurality of radially spaced diffuser vanes arranged within the casing. The inspection device includes an image providing apparatus ... | 10/05/1999 |
| 5957298 | Process and device for separating non-magnetic materials and objects by using ferrohydrodynamic fluid The invention describes a process and an appliance for separating non-magnetic materials and objects with the use of magnetic fluids. With this invention a restoration of the magnetic fluid adhering to the separated material is made possible, by removing ... | 09/28/1999 |
| 5951969 | Agent for the brightening, gloss improvement and dyeing of human hair The invention concerns a composition for brightening, gloss improvement and, optionally, dyeing of human hair, in particular of permanently waved hair, which contains 0.5 to 12% by weight hydrogen peroxide, and optionally, at least one direct-acting hair ... | 09/14/1999 |
| 5948124 | Composition for dyeing human hair comprising a cationic dye, a zwitterionic surfactant, and an anionic UV-absorber Stable compositions for dyeing of human hair in an aqueous carrier, providing durable, light-fast hair colorations, comprising a) 0.0001% to 2.5% by wt. of at least one cationic directly acting hair dyestuff; b) 0.1% to 10% by wt. of at least one zwitterionic ... | 09/07/1999 |
| 5944953 | Process for simultaneous mechanical and chemical defibration of corn stalks and straw materials A corn stalk and straw chip pulping method to greatly improve the yield of pulp by 1) preconditioning the corn stalk with propionic acid when harvesting or by impregnating the straw with HNO2 in the mill after chip washing, and 2) by pulping th... | 08/31/1999 |
| 5932773 | Process for the preparation of and ଲ napthol by hydroxylation of naphthalene using organotransition metal complex This invention relates to a process for the hydroxylation of napthalene to .varies. and ଲ naphthols which comprises reacting napthalene with hydrogen peroxide in the presence of a solid catalyst containing an organotransition metal complex wherein s... | 08/03/1999 |
| 5932459 | Artificial tissues, methods for the production and the use thereof The invention relates to new artificial tissues which comprise three-dimensional extracellular matrixes (ECM) in cross-linkable structures, cell interaction systems for inducing artificial three-dimensional tissues and which comprise genetically manipulat... | 08/03/1999 |
| 5925350 | Use of preparation comprising a plasminogen activator to improve wound healing The present invention relates to the use of non-bacterial plasminogen activators in the manufacture of a topical medical preparation for the treatment of slow- or non-healing wounds. In addition, the present invention relates to a composition comprising a... | 07/20/1999 |
| 5915587 | Microseamed metallic can The present invention refers to a can having a seam formed by a seaming process, through which it is possible to produce cans by seaming (fixing) tops and ends to bodies of cans by a microseaming process, forming a microseam. This microseamed can is made ... | 06/29/1999 |
| 5904919 | Composition for permanent waving of human hair A permanent waving composition showing excellent waving properties and, at the same time, a hair conditioning effect contains a) at least one reducing organic thio compound and (or) an inorganic sulfite; and b) at least one organopolysiloxane, whereby at least... | 05/18/1999 |
| 5903957 | Window curtain hanging device A window curtain hanging device constituted by a plastics material strip whose two ends are for fixing to the top of a curtain and whose central portion (3, 3a) matches the shape of a curtain rod, the strip serving as a support for a decorative tab.... | 05/18/1999 |
| 5888821 | Cholesterol derivative for liposomal gene transfer The invention relates to a new cholesterol derivative for liposomal gene transfer. Areas of application of the invention are medicine and genetic engineering. The new cholesterol derivative, 3ଲ(N-(N,N'-dimethylaminoethane)-carbamoyl) cholesterol (DA... | 03/30/1999 |
| 5882555 | Apparatus and method for manufacturing compact discs having a non-round outer profile An apparatus and method for manufacturing compact discs (2) having a non-circular outer profile (8) includes imprinting digital information in an annular region (12) on the under face of a compact disc blank (36) such that an outer limit (14) of the annul... | 03/16/1999 |
