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| Number | Title | Issue Date |
| 5997972 | Filling material for percolating filters for the treatment of fluids and process for the production of same Filling material for percolating filters used in the biological treatment of fluids are provided with strips which are made of plastic and are connected to one another via a transversely directed holding web. The strips are arranged one above the other in... | 12/07/1999 |
| 5988469 | Game call holder A holder for retaining an item, particularly a turkey call, other game call, clipboard, pad or the like on the limb of a user while leaving his or her hands free. The holder includes a base having a hollow center. Rubber feet are arranged about the hollow... | 11/23/1999 |
| 5982117 | Method and apparatus for control of a switched reluctance motor A method for estimating and controlling the rotor position of a SRM comprises the steps of sampling phase currents and estimating phase fluxes from at least one excited phase of the SRM, sampling phase currents and estimating phase inductances from at lea... | 11/09/1999 |
| 5974869 | Non-vibrating capacitance probe for wear monitoring A non-vibrating capacitance probe for use as a non-contact sensor for tribological wear on a component. The device detects surface charge through temporal variation in the work function of a material. A reference electrode senses changing contact potentia... | 11/02/1999 |
| 5975248 | Communications system A communications system for an elevator system has a master control unit located close to the lift controller and connected via a bus to a number of local modules, each connected to one or more announcement devices. The announcement devices may be of vari... | 11/02/1999 |
| 5964185 | Feeding installation, and valve for use in such an installation A feeding installation has at least two feed containers from which feeds of different composition are conveyed by means of a feed conveying device to feeding devices. The feeding devices are connected to the feed conveying device by way of valves. The val... | 10/12/1999 |
| 5952307 | Basic -aminoalkylphosphonate derivatives Peptidyl derivatives of diesters of -aminoalkylphosphonic acids with basic substituents, their use in inhibiting serine proteases with trypsin-like specificity and their roles as anti-inflammatory agents, anticoagulants, and anti-tumor agents.... | 09/14/1999 |
| 5947807 | Apparatus for cleaning and polishing a surface A cleaning and polishing assembly having a compressible main body with a releasable attachment material on one face and a fibrous working surface on its other face. The fibrous working surface is composed of fibers having a trilobal cross-section. The cle... | 09/07/1999 |
| 5942198 | Beneficiation of furnace dust for the recovery of chemical and metal values The beneficiation of an electric arc furnace (EAF) dust waste stream comprising zinc compounds by collecting and combining dust from two or more EAF batches with coal fines to form briquettes, adding the briquettes to a final EAF batch with the charge, an... | 08/24/1999 |
| 5939172 | Metallic screen material having a strand or fibre structure, and method for manufacturing such a material A screen material is described which is formed by cladding, using electroplating, a structure composed of strands or fibers. The structure may incorporate a knit, woven or nonwoven material or, alternatively, of strands or fibres welded together, wound st... | 08/17/1999 |
| 5931633 | Order-collection appliance for collecting orders in warehouses with palletized storage of goods An appliance for collecting orders in warehouses wherein various goods are stored on pallets, which appliance includes a scoop having a support blade and a handle mounted to a bracket, and also being provided with equipment for suspending the scoop from a... | 08/03/1999 |
| 5931612 | Hob cutter for machining face gears, and method for manufacturing such a tool A hob cutter (4) for machining face or crown gears comprises a disc-like cutter body having an axis of rotation (6) and a number of hob teeth groups (1, 2, 3, . . . ) which are uniformly distributed over the circumference and which are each bounded at the... | 08/03/1999 |
| 5928489 | Low temperature removal and recovery of hydrogen halides using an electrochemical membrane A low temperature method and apparatus for removing halides from relatively low temperature gas mixtures (below about 150° C.) using an electrochemical cell provided with inert electrodes and an electrolyte which will provide anions compatible with the h... | 07/27/1999 |
| 5916633 | Fabrication of carbon/carbon composites by forced flow-thermal gradient chemical vapor infiltration The fabrication of carbon/carbon composite disks using forced flow-thermal gradient chemical vapor infiltration process using propylene diluted with hydrogen as the reagent is disclosed. The independent variables included concentration of the reagent, tot... | 06/29/1999 |
| 5916877 | Fluorescent 1-peptidylaminoalkanephosphonate derivatives Fluorescent 1-peptidylaminoalkanephosphonate derivatives, and their use in detecting and studying the distribution of serine proteases in cells and biological systems.... | 06/29/1999 |
| 5911460 | Jamb pocket latch bolt assembly release apparatus An electro-mechanical jamb pocket latch bolt assembly release which is adapted to be installed in a conventional door jamb behind the strike plate. When activated, a ram element of the apparatus will eject the latch bolt assembly from the door jamb allowi... | 06/15/1999 |
| 5905593 | Method and apparatus of producing 3D video by correcting the effects of video monitor on lenticular layer A 3D video viewing system is disclosed, wherein a special lenticular layer is attached on a video monitor which displays at least one interleaved image composed from a plurality of 2D views of a scene. A method of determining the parameters for the lentic... | 05/18/1999 |
| 5895214 | Kiln closure mechanism A closure mechanism (16) for controlling charging of material through a port into a rotary kiln such as a cement kiln comprises a first and second portion (24,26), and a passage (29) which communicates with the port (12) to enable material to pass into th... | 04/20/1999 |
| 5884581 | Feeding device for poultry A device for feeding poultry comprises a substantially dish-shaped pan, above which a feed drop tube is disposed, which drop tube opens out above a central part of the pan. At least one grill with bars extends between the feed drop tube and the pan. Provi... | 03/23/1999 |
| 5882510 | Contact filter block of joined tube sections Contact-filter block (10) for the construction of trickling filters or rotating disc filters such as those used for the biological treatment of waste waters. The tube sections (11) of which the contact-filter block (10) is made up have an outside surface ... | 03/16/1999 |
| 5878874 | Device for securing card-type objects, in particular cheque guarantee cards and credit cards, against being lost or mislaid A device for use in conjunction with a case or wallet that have compartments in which credit cards and the like are kept. The device has two parts which are movable relative to each other between a secure and open position. In the secure position, the car... | 03/09/1999 |
| 5871348 | Method and apparatus for preventing formation of snowmen and removing lumps of coating in clinker coolers A method and apparatus for preventing the accumulation of fines and the resulting formation of snowmen in a clinker cooler by applying short duration blasts of high pressure, high velocity air from openings in the cooler inlet grate. The cleaning air can ... | 02/16/1999 |
| 5855645 | Production of more concentrated iron product from industrial waste materials streams A method for producing a more concentrated iron product from an industrial waste materials stream comprising iron and non-iron constituents such as EAF and basic oxygen furnace dust generally comprising the steps of compacting or briquetting the waste mat... | 01/05/1999 |
| 5853121 | Insulated chest A foldable laminated paperboard chest for transporting and storing food products, and a one-piece laminated paperboard blank from which such a chest is constructed. The chest includes a leak-proof corner construction and a plastic film coating layer to pr... | 12/29/1998 |
| 5850659 | Toothbrush with bendable head An ergonomically designed toothbrush having an oversized handle, a shapeable stem, interchangeable, flexible heads of different sizes, bristles arrangements, and geometrical configurations. The handle is generally cylindrical in shape so as to readily fit... | 12/22/1998 |
| 5851490 | Method for utilizing PH control in the recovery of metal and chemical values from industrial waste streams An improved method for the recovery of metal and/or chemical values from an industrial waste stream containing zinc, cadmium, lead and/or iron compounds by heating the waste stream in a reducing atmosphere, treating the resultant fumes in an ammonium chlo... | 12/22/1998 |
| 5849063 | Production of direct reduced iron and/or pig iron from industrial waste streams A method for producing direct reduced iron or/and pig iron from an industrial waste materials stream such as EAF and blast furnace dust generally comprising the steps of separating the materials contained in the waste materials stream by magnetic separati... | 12/15/1998 |
| 5848751 | Oscillating capillary nebulizer An oscillating capillary nebulizer which is capable of nebulizing a liquid sample flow at microflow liquid flow rates and which is capable of controlling the particle size and particle size distribution of the nebula. The oscillating capillary nebulizer c... | 12/15/1998 |
| 5846290 | Method for the recovery of group IA salts during the treatment of industrial process waste streams A method for the production of Group IA salts during a process for the recycling of industrial waste streams containing Group IA compounds and iron and/or zinc compounds, by heating the waste stream in a reducing atmosphere, treating the exhaust fumes fro... | 12/08/1998 |
| 5845533 | Gear transmission of a cylindrical pinion with a face gear, face gear used in said transmission and method and tool for making the face gear In a face gear transmission with a cylindrical pinion and a face gear meshing therewith the toothing of the face gear is derived from a theoretical profile (22) of a pinion with an infinitely small thickness by moving the centre of this pinion along an im... | 12/08/1998 |
| 5834918 | Self-tuning tracking controller for permanent-magnet synchronous motors A self-tuning tracking controller for permanent-magnet synchronous motors is disclosed, providing for velocity or position trajectory tracking even when both the electrical and mechanical parameters of the motor, amplifier, and load are initially unknown.... | 11/10/1998 |
| 5815876 | Apparatus for cleaning and polishing a surface A cleaning and polishing assembly having a compressible main body with a releasable attachment material on one face and a fibrous working surface on its other face. The fibrous working surface is composed of fibers having a trilobal cross-section. The cle... | 10/06/1998 |
| 5815198 | Method and apparatus for analyzing an image to detect and identify defects The Invention includes a method and apparatus which analyzes an image of an object to detect and identify defects in the object. The present invention utilizes a scanning technique which converts a 2-D image of the object into a 1-D image, a transformatio... | 09/29/1998 |
| 5810946 | Method for the production of galvanizing fluxes and flux feedstocks A method for the production of zinc ammonium chloride complex salts for use as galvanizing fluxes by heating waste materials captured from industrial processes containing zinc in a reducing atmosphere, leaching the resultant captured waste materials in an... | 09/22/1998 |
| 5801811 | 3D photographic printer using a matrix display for exposure The filmless method and printer for making 3D and animation pictures, using a matrix display to sequentially display a series of 2D views, and a projection lens to project the displayed images onto a lenticular print material, each at a different projecti... | 09/01/1998 |
| 5801812 | 3D photographic printer using a digital micro-mirror device for exposure The filmless method and printer for making 3D and animation pictures using a digital reflection-type matrix display device such as a digital micro-mirror device to sequentially display a plurality of 2D views, a light source to illuminate the display devi... | 09/01/1998 |
| 5791840 | Method of producing a crown wheel Method of producing a conical or cup-shaped crown wheel which can mesh with a cylindrical pinion with the inclusion of an angle . The crown wheel is produced by means of a generating process. The tool (1, 43) consists of a disc (3) which has machin... | 08/11/1998 |
| 5781284 | System for detecting impurities contained in a fluid medium A method and apparatus for determining the types and amounts of impurities contained in a fluid medium wherein light is projected into a fluid medium and light which is not absorbed by impurities contained in the fluid medium is transmitted to a spectrome... | 07/14/1998 |
| 5772870 | Tower packing block and method for manufacturing the same Tower packing blocks (10) for biological treatment particularly of waste water, comprising a bundle of tube sections (11) with net-like structured peripheral surfaces. The tube sections (11) are connected together at their end sides (20) by reflector weld... | 06/30/1998 |
| 5772819 | Method of making a composite of paper and plastic film Composites of paper and bioriented plastic film are made by passing a web of paperboard and a web of plastic film, with a layer of extruded molten polymer impregnating and bonding agent between the webs, through a nip. The process involves controlling one... | 06/30/1998 |
