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| Number | Title | Issue Date |
| 5823769 | In-line method of burner firing and NOx emission control for glass melting A process and apparatus for combustion of a fuel and oxidant in which a first portion of a fuel is mixed with an oxidant to form a fuel-lean fuel/oxidant mixture in a fuel-lean combustion zone. The remaining portion of fuel is mixed with the fuel-lean fue... | 10/20/1998 |
| 5821644 | Safety system for passage closure members A safety device for a passage closure, such as a garage door, having a drive, a maximum permissible load value which can be set, and a control device by which the drive can be switched off, switch-off occurring when the maximum permissible load value has ... | 10/13/1998 |
| 5799688 | Automatic flow control valve A pressure valve having a fluid inlet, a first chamber, a throughbore, a second chamber, a fluid outlet and a valve stem. The valve stem is mounted within a valve body and has several different diameters. A pressure condition within one or more of the cha... | 09/01/1998 |
| 5786575 | Wrap tool for magnetic field-responsive heat-fusible pipe couplings A wrap tool having first and second coil regions and flange regions for inducing oscillating magnetic fields to fuse a plastic coupling having heating elements to a substrate. The first and second coil regions are wrapped around a selected plastic couplin... | 07/28/1998 |
| 5770275 | Molecular sieving silica membrane fabrication process A process for producing a molecular sieve silica membrane comprising depositing a hybrid organic-inorganic polymer comprising at least one organic constituent and at least one inorganic constituent on a porous substrate material and removing at least a po... | 06/23/1998 |
| 5768693 | Method and apparatus for controlling frequency of a multi-channel transmitter A method an apparatus for controlling frequency of a multi-channel transmitter. A reference frequency is generated and emitted to a thermally stable frequency discriminator. The thermally stable frequency discriminator emits a dc voltage to a plurality of... | 06/16/1998 |
| 5746279 | Method and apparatus for changing bits while drilling with a flexible shaft An apparatus and method are disclosed for the removal and replacement of the used drill bit after each perforation through casing, cement, and into rock while using a flexible drive shaft. This apparatus involves both a bayonet-style "quick connector" bet... | 05/05/1998 |
| 5743245 | Arrow rest An arrow rest preferably having three or more flanges that extend outward in a generally radial direction. The flanges are peripherally spaced with respect to each other and form a clearance cutout between flange surfaces that face or oppose each other. T... | 04/28/1998 |
| 5743471 | Solid state shear extrusion pulverization An apparatus for solid state shear extrusion pulverization of a polymeric material comprising an elongated hollow barrel having a feed zone, a heating zone adjacent to the feed zone, a powder formation zone adjacent to the heating zone, and a powder disch... | 04/28/1998 |
| 5736268 | High temperature fuel cell stack power bus A fuel cell stack power bus system which includes a plurality of current collectors mounted to the peripheral edge portion of a fuel cell stack end plate. The current collectors form lapped connections with a layered power bus which can be easily position... | 04/07/1998 |
| 5725366 | High-heat transfer, low-nox oxygen-fuel combustion system A process and apparatus for combustion of a fuel/oxidant mixture in which at least a portion of the fuel is preheated and, thereafter, burned with any remaining portion of fuel in a flame having fuel-rich zones, thereby forming soot within the resulting f... | 03/10/1998 |
| 5725543 | Medical instrument for atherectomy A medical instrument for removing deposits on the walls of arteries and/or veins having at least one partially hollow body that can be introduced into the arteries and/or veins and a plurality of cutting bodies with cutting edges for removal of the deposi... | 03/10/1998 |
| 5725367 | Method and apparatus for dispersing fuel and oxidant from a burner A method and apparatus for injecting fuel and oxidant into a combustion burner. At a fuel exit plane of a fuel discharge nozzle, fuel is discharged in a generally planar fuel layer which has an upper boundary and a lower boundary. At an oxidant exit plane... | 03/10/1998 |
| 5722381 | Apparatus for adjustably mounting a pivotal arrow rest An apparatus for adjustably mounting an arrow rest wherein a pivot shaft is mounted within a through bore of a sleeve, so that the pivot shaft can pivot or rotate between a normal rest position and a maximum forward position. The sleeve is mounted with re... | 03/03/1998 |
| 5720067 | System and method for installing deck framing A system and method for installing metal deck framing. One or more deck panels are secured with respect to and between two elongated structural framing members to form a deck panel structure. The deck panel structure is then positioned between two primary... | 02/24/1998 |
| 5713320 | Internal combustion engine starting apparatus and process An apparatus and process for starting internal combustion engines having one to three cylinders by first activating a reverse direction motor to drive the power system of the engine in reverse to its normal operating direction until it is positioned at or... | 02/03/1998 |
| 5714065 | Filter unit for fluids A filter unit for fluids, the filter unit comprising a filter housing with at least one filter disposed therein, at least one fluid feed line, at least one purified fluid outlet line, and at least one unpurified fluid outlet line, each of which lines is p... | 02/03/1998 |
| 5704195 | Method and machine for packaging cans or tubes A method for packaging cans or tubes continuously delivered from a production installation to pick-up elements, which are moved in steps, of an intermediate station. A gripper device brings the cans or tubes in groups according to the desired number of pi... | 01/06/1998 |
| 5705135 | Composition and process for the removal of hydrogen sulfide from gaseous streams A method and apparatus for the removal of hydrogen sulfide (H2 S) from gaseous streams, particularly concentrations of H2 S lower than 100 ppm. The invention is particularly useful for removing H2 S from natural gas. The i... | 01/06/1998 |
| 5704555 | Single-screw extruder for solid state shear extrusion pulverization and method A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled,... | 01/06/1998 |
| 5701591 | Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception A communications system that uses electromagnetic waves. The communications system preferably operates in the millimeter-wave frequencies, and provides relatively high signal restoration and isolation. The communications system can use polarization divers... | 12/23/1997 |
| 5697174 | Matrix-array display A matrix-shaped display device with a display foil in which display elements are punched out in the form of tabs. The tabs are positioned in rows and columns, and depending on the desired display, can be positioned by a positioning device in front of or b... | 12/16/1997 |
| 5698483 | Process for preparing nanosized powder A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase, forming a metal cation salt/polymer gel, and heat treating ... | 12/16/1997 |
| 5695050 | Container carrier with different coefficients of friction A multi-package carrier device having a strip of a relatively high coefficient of friction material along an inner portion of the carrier. A high coefficient of friction, "tactile," material is applied to an encircling aperture style multi-package carrier... | 12/09/1997 |
| 5697076 | Suspended carrier modulation of high-Q transmitters A method for on-off modulation of a transmitter coil current of a high-Q resonant circuit transmitter comprising the steps of sensing a zero-crossing of the transmitter coil current and substantially instantaneously interrupting the transmitter coil curre... | 12/09/1997 |
| 5692934 | Swimming aid A single inflatable ring-shaped body that can be drawn together and secured at the chest by a closure mechanism so as to form a neck loop and a back loop. The inflatable body can be subdivided into several air compartments, each of which can be inflated u... | 12/02/1997 |
| 5693230 | Hollow fiber contactor and process A hollow fiber contactor and process for fluid treatment having forced circulation with entry of fluid to be treated through the open ended lumen of a porous input hollow fiber having its opposite end closed and exit of treated fluid through the open ende... | 12/02/1997 |
| 5687522 | Formwork for building a concrete wall A formwork constructed of prefabricated elements, preferably for building a concrete wall. The formwork has two parallel walls that define a space that is filled with concrete laden with water, sand and large aggregates. An inner wall of the formwork has ... | 11/18/1997 |
| 5685256 | Set pressure sensing and verifying device A device for detecting soil compaction density comprising at least one shell material forming an enclosure, a failure plane disposed within the shell material which causes the shell material to fail at a preset static or dynamic pressure, and a detector, ... | 11/11/1997 |
| 5683144 | Cutting element with a base element and chisel holder A cylindrical cutting element for a cutting machine which includes base ps arranged at a uniform distance from each other. A chisel holder which receives an exchangeable chisel is secured with respect to each base element. The chisel holder has a plug co... | 11/04/1997 |
| 5680824 | Process for burning solids with a sliding firebar system A process for burning solids on a sliding fire grate system where each of the combustion control criteria are measured and controlled individually for each grate plate comprising the grate system.... | 10/28/1997 |
| 5681159 | Process and apparatus for low NOx staged-air combustion A process and apparatus for combustion of fuel which results in reduction of nitrogen oxides and carbon monoxides emissions. Fuel and primary air are preferably premixed and introduced into a combustion chamber. Secondary air is introduced through a plura... | 10/28/1997 |
| 5681027 | Insertable type safety coupling for pressure pipes A plug-in safety coupling for pressure lines including a coupling socket (1) having a blocking member (3) pivotally mounted therein and a plug (2) insertable therein for pressureless coupling and uncoupling. The blocking member (3) is secured against pivo... | 10/28/1997 |
| 5676071 | Method and device for introducing a liquid or gaseous treatment medium into a flue gas flow A method and apparatus for introducing a liquid or gaseous treatment medium into a flue gas stream wherein a total adjustment value for controlling the amount of active substance in the treatment medium is generated by an actual value measurement of a flu... | 10/14/1997 |
| 5674375 | Method for detecting the presence or absence of corrosion of cathodically protected structures A method for detecting the presence or absence of corrosion of cathodically protected steel structures in soil and concrete in which the cathodic protection circuit is subjected to an electrochemical impedance spectroscopic analysis and the presence of co... | 10/07/1997 |
| 5674040 | Automatic multistorey carpark A cylinder-shaped parking garage having a central inner shaft and a plurality of parking levels. Each of the parking levels has a plurality of parking spaces arranged in a radial pattern. Two car conveying devices are positioned about a central column and... | 10/07/1997 |
| 5673636 | Garbage incineration process on an incineration grate, incineration grate for carrying out the process and plate for such an incineration grate A process wherein an incineration grate is tempered by a medium that flows therethrough. The grate has a number of hollow plates made of sheet metal. Each plate lies on the next underlying plate. A connection pipe is arranged on one side of each plate and... | 10/07/1997 |
| 5671042 | Holomoire strain analyzer A system and process for the measurement of strains in objects using holographic interferometry comprising a continuous point light source for illuminating the object, a fringe stabilizer for compensating for the vibratory motion of the object, a detector... | 09/23/1997 |
| 5662397 | Operating unit An operating unit with a housing for receiving an electrical or electronic circuit. The unit has vertical and horizontal lateral walls and a front wall. One or a plurality of laterally outwardly projecting handles for positioning the operating unit can be... | 09/02/1997 |
| 5660202 | Process and apparatus for insertion of robots in gas distribution systems A hot tap apparatus for insertion of a controllable device into an in-service pipeline comprising a housing adapted to be sealably secured to a pipe and enclose a portion of the pipe. The housing forms a chamber which is partitioned into an insertion cham... | 08/26/1997 |
