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| Number | Title | Issue Date |
| 5238401 | Slagging rotary kiln An improved kiln wherein a smile shaped oil cooled refractory support is shortened so its distal end is adjacent the outside end of a front nose ring on a rotatable kiln drum, the nose ring being extended radially inwardly to shield the distal end of the ... | 08/24/1993 |
| 5232045 | Billet caster modular mold scaffold A billet mold scaffold includes a plurality of mold modules carried by a frame defined by a plurality of legs, each of which is separately attachable and removable relative to the modules. Each mold module contains a plurality of rollers, for example, fou... | 08/03/1993 |
| 5207331 | Automatic system and method for sorting and stacking reusable cartons A system and method for automatically processing a supply of cartons, in flattened form and of different types, in accordance with a selectable number of plural, different and separately identifiable carton types. Unsorted cartons are removed in successiv... | 05/04/1993 |
| 5207269 | Portable device and method for adjusting slab casters A portable mold adjusting device allows for relatively precisely adjusting the mold cavity size of a slab caster mold during casting. The portable mold adjusting device includes a dolly to facilitate transport of the device to molds requiring an adjustmen... | 05/04/1993 |
| 5201813 | Roll monitor sled data handling system A roll monitor sled data handling system comprising a roll monitor sled and an off-line data handling system. The roll monitor sled consists of a housing having mounted thereon sensors which measure the roll gap and the angle of the rolls. These sensors c... | 04/13/1993 |
| 5185183 | Apparatus and method for blasting and metal spraying a cylindrical surface A method and apparatus for automatically grit blasting and metal spraying a wall of a cylindrical vessel utilizing a pair of rails with arms slidably disposed thereon, which rotate 180° in unison about the axis of the vessel and then reverse and are move... | 02/09/1993 |
| 5174750 | Circumferential seal system for a rotary combustor A circumferential seal system wherein both low differential pressure circumferential seals and high differential pressure circumferential seals are utilized to provide the proper sealing for various wind box plenum zones supplying combustion air to a rota... | 12/29/1992 |
| 5173045 | Radial seal for rotary combustor A radial seal for a rotary combustor of a municipal solid waste incinerator disposed between compartments of a windbox having a ring disposed girthwise on the rotary combustor with a flat surface disposed normal to the axis of the rotary combustor and a p... | 12/22/1992 |
| 5168747 | System and method for locating leaks in steam turbine systems Both a system and method are provided for detecting and locating a leak in the housing of the steam turbine components of an electric generator of the type that are connected to a vacuum pump that generates a negative pressure to remove air from the steam... | 12/08/1992 |
| 5152664 | Steam turbine with improved blade ring and cylinder interface A steam turbine having a inner cylinder with a plurality of steam inlets which feed a plurality of nozzle blocks and a curtis stage blade ring with a circumferential groove which cooperates with a circumferential tongue extending from the inner cylinder t... | 10/06/1992 |
| 5140528 | Method for evaluating relationship between the size of discontinuity indications from non-destructive examination of a turbine rotor, stress applied to the rotor and remaining life of the rotor A method of analyzing crack growth in an object takes into account interaction between indications of discontinuities that can become cracks and also effects of creep on crack growth to provide a more accurate analysis of crack growth. The remaining life ... | 08/18/1992 |
| 5133901 | System and method for on-line monitoring and control of heavy metal contamination in soil washing process The concentrations of residual heavy metal contaminants in the particulate material in a slurry produced in a particulate material washing process are monitored on-line and can be used to control the washing process. In alternative embodiments of the inve... | 07/28/1992 |
| 5128068 | Method and apparatus for cleaning contaminated particulate material Particulate material such as for example soil contaminated with heavy metals, radioactive species and organics, singly or in combination, is treated by first washing the contaminated material with a contaminant mobilizing solution comprising a leaching ag... | 07/07/1992 |
| 5112051 | Interfacing device for a computer games system An interfacing device for connecting the processing unit of a computer games system to an external data storage medium has a user-operable selection unit for generating a user-selected address and user-selected data. The user-operable selection unit may c... | 05/12/1992 |
| 5079942 | Method and apparatus for calibrating rolling mill on-line load measuring equipment In place calibration of the permanent on-line force measurment system of a rolling mill is performed by replacing the working rolls with dedicated calibration rolls, which can be scrap working rolls. Discontinuities formed in the cylindrical surfaces of d... | 01/14/1992 |
| 5058669 | Extraction system with a pump having an elastic rebound inner tube An elastic rebound pump comprises a flexible inner tube having a substantial elastic rebound surrounded by a pump housing. The inner tube defines an inner chamber and the pump housing forms an outer chamber for confining a pump fluid. The pump allows pres... | 10/22/1991 |
| 5032946 | Electrical surge suppressor and dual indicator apparatus Surge suppression is provided by varistors connected between, respectively, hot and neutral conductors and hot and ground conductors, each through a common fuse that avoids hazardous overvoltages on the varistors. A first indicator circuit portion provide... | 07/16/1991 |
| 5026233 | Locking nut insert in a screw-nut arrangement A screw-nut arrangement for securing two or more members together is provided with a unique design for a locking nut insert. The locking nut insert has a straight knurled cylindrical portion with an end surface which abuts a shoulder in a counterbore of a... | 06/25/1991 |
| 5015804 | Electrical cable connector for sealing an armoured electrical cable An electrical cable connector seals an armoured electrical cable entering an explosion proof enclosure. The connector has less parts than existing connectors and takes less time to seal and assemble. The connector includes a rigid substantially tubular bo... | 05/14/1991 |
| 5010576 | Active acoustic attenuation system for reducing tonal noise in rotating equipment An active acoustic attenuation system for attenuating tonal blade pass noise in a multi-bladed fan uses a sinusoidal rotational speed signal produced by an accelerometer mounted on the fan as the reference signal for a filtered-X LMS (least mean squarae) ... | 04/23/1991 |
| 5004888 | Plasma torch with extended life electrodes A plasma torch electrode has a copper outer shell on an inner portion of which is provided a more durable composition of a silver alloy by pressing or casting to achieve longer lifetime under arcing conditions in air or oxygen while minimizing the cost of... | 04/02/1991 |
| 4998486 | Process and apparatus for treatment of excavated landfill material in a plasma fired cupola Excavatged landfill material is treated in a plasma fired cupola in a process wherein hazardous material such as PCB's are volatilized and consumed in an afterburner above the cupola and hazardous materials containing heavy metals are fixed in vitreous ma... | 03/12/1991 |
| 4983785 | Electrical wiring box with structure for fast device mounting An electrical wiring box of molded insulating material is provided with bosses having screw holes for receiving a mounting screw that include two colinear portions of which a first portion proximate the front surface has an internal configuration, such as... | 01/08/1991 |
| 4978318 | Multiple outlet receptacle and mountings therefor A wiring device of the type which by itself is configured for surface mounting is made more universally mountable by an adapter plate to which the device may be joined and the adapter plate joined to any of a number of different outlet box configurations.... | 12/18/1990 |
| 4978092 | Universal support bracket for attachment to the back of an electrical box A universal support market for attachment to the back of an electrical box, supports the box in a hollow wall structure. The support bracket at the back of the box provides a more rigid mounting to support the box when an electrical plug is pushed into or... | 12/18/1990 |
| 4974674 | Extraction system with a pump having an elastic rebound inner tube An elastic rebound pump comprises a flexible inner tube having a substantial elastic rebound surrounded by a pump housing. The inner tube defines an inner chamber and the pump housing forms an outer chamber for confining a pump fluid. The pump allows pres... | 12/04/1990 |
| 4945333 | Fuse assembly, for a cutout, with accelerated arc extinction A fuse assembly for an electrical cutout is provided with capability for rapid arc extinction by a capsule of pressurized insulating gas being located within a fuse tube above the fusible element so that when the fusible element melts and an arc is produc... | 07/31/1990 |
| 4940862 | Vacuum interrupter with improved vapor shield for gas adsorption A vacuum circuit interrupter includes a vapor condensing shield formed of a porous structure of copper including a grain size inhibitor, such as boron, and a gettering metal, such as titanium or zirconium, in order to achieve enhanced levels of gas adsorp... | 07/10/1990 |
| 4912590 | Electrical surge suppressor and dual indicator apparatus Surge suppression is provided by varistors connected between, respectively, hot and neutral conductors and hot and ground conductors, each through a common fuse that avoids hazardous overvoltages on the varistors. A first indicator circuit portion provide... | 03/27/1990 |
| 4886001 | Method and apparatus for plasma pyrolysis of liquid waste A method and apparatus for pyrolytically decomposing waste material characterized by injecting a mixture of waste and water into a plasma torch having an operation temperature of in excess of 5000° C. to form a mixture of product gases and solid particul... | 12/12/1989 |
| 4880947 | Vacuum interrupter with simplified enclosure and method of assembly An electrical vacuum interrupter comprising a pair of separable contacts enclosed within a vacuum enclosure whose walls have joints formed of a polymeric material which can maintain sufficient vacuum, mechanical, thermal, and electrical properties to perm... | 11/14/1989 |
| 4870911 | Apparatus for waste disposal and method An incinerator pyrolyzer for continuously burning waste material characterized by a rotating kiln within a furnace chamber for incinerating waste material passing through the kiln. The kiln includes means for introducing reactants for chemically changing ... | 10/03/1989 |
| 4864096 | Transfer arc torch and reactor vessel A transferred arc torch is comprised of a first electrode surrounded by a coil. A second electrode is positioned adjacent to the first electrode so as to provide a small gap therebetween for striking an arc. The second electrode is configured to enable th... | 09/05/1989 |
| 4844947 | Technique for the application and cure of photosensitive paints A system which utilizes a source of ultraviolet radiation to mark a surface or to cure selectively a photosensitive paint applied to a surface. The source of UV light is either a laser or a broadband source and the light is controlled by an aperture and/o... | 07/04/1989 |
| 4844797 | Vacuum extraction system There is disclosed a vacuum extraction system in which one or more vacuum extraction vessels are suspended in one or more well bores and each is connected to a vacuum pump. In one embodiment, each extraction vessel has a vessel chamber, a top inlet port w... | 07/04/1989 |
| 4813116 | Method of making a multi-section power capacitor with all-film dielectric An all-film power capacitor in which the sections have extended electrode foils and relatively large area edge connections of deposited metal and the space factor of the section winding is relatively high.... | 03/21/1989 |
| 4795942 | Hollow cathode discharge device with front shield A hollow cathode discharge device loosely supported by a cathode lead-in 26 in a glass sleeve 32, the device including a ceramic shield 42 received in the rim 38 of the glass sleeve in freely slidable relation thereto, and maintained in position by holdin... | 01/03/1989 |
| 4780267 | In-core assembly configuration having a dual-wall pressure boundary for nuclear reactor A detector assembly for in-core nuclear reactor monitoring in which the wall thickness of the outer housing tube 26a and the wall thickness of the inner calibration tube 28a, taken together with the diameters of operating and non-operating elements 34a, 3... | 10/25/1988 |
| 4743709 | Gas insulated transmission line with support insulator hardware arrangements A gas insulated transmission line has an inner conductor supported by insulators including a fixed insulator and a movable insulator with each having recesses in their outer portion having recessed metallic inserts therein of like configuration. The fixed... | 05/10/1988 |
| 4739450 | Ground fault receptacle with compact component arrangement A receptacle with a ground fault circuit interrupter has a load contact and housing configuration in which a varistor for electronics protection is disposed with pressure contact to adjacent spring fingers of the load contacts. Also, a pre-assembly of mol... | 04/19/1988 |
