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| Number | Title | Issue Date |
| 4815505 | Automatic filling machine for siphon bottles An automatic filling machine for filling containers such as siphon bottles, carafes or the like with soda and/or carbon dioxide gas of the type in which said containers advance through a zone during which they are filled while the container is inverted bo... | 03/28/1989 |
| 4815506 | Tree harvesting and logging system A logging system including a delimbing head, a tree butt holder and a feller buncher head. The delimbing head is a simple device that may be removably attached to the blade of a power unit, such as a skidder. The delimbing head is indirectly secured to th... | 03/28/1989 |
| 4815507 | Socket mounted pencil sharpener for cosmetic facial pencil A portable, light-weight pencil sharpener specifically designed to sharpen cosmetic pencils of the type commonly known as "eye brow" pencils and including a housing enclosing a blade structure and an electrically powered drive motor wherein the housing an... | 03/28/1989 |
| 4815508 | Veneer lathe with dual powered backup rolls A veneer lathe has a frame, a support for rotatably drivingly supporting a peel block, and a knife for peeling veneer from the block. First and second "backup" rolls rotatably, drivingly engage the block during peeling thereof. The first roll is positione... | 03/28/1989 |
| 4815509 | Ski bag with pleat for protecting ski edges A ski bag for receiving a pair of skis positioned with their sliding surfaces facing one another and tail and tip ends of the respective skis together. In a preferred embodiment, the bag is disposable and is made of polyethylene film. The bag is of narrow... | 03/28/1989 |
| 4815510 | Security pouch A security pouch is provided which has an access opening and includes support straps and fasteners for attaching the pouch to a strap of an upper torso undergarment, whereby the pouch is suspendable beneath the arm of a wearer to permit safe, comfortable,... | 03/28/1989 |
| 4815511 | All-season high-performance radial-ply passenger pneumatic tire A passenger car tire that combines a number of design features or parameters which yield a tire which has road noise, tread wear and handling performance characteristics which are equal to or better than those exhibited by comparable prior art tires, whic... | 03/28/1989 |
| 4815512 | Tread surface profile for pneumatic vehicle tires A tread surface profile including a three-part configuration. A circumferentially extending, centrally disposed, linear or zigzagged rib has connected on both sides thereof a plurality of central blocks that are separated from the rib by shallow and narro... | 03/28/1989 |
| 4815513 | Anti-skid device for preventing slippage of automobile tire An anti-skid device for preventing slippage of a wheel is disclosed. The anti-skid device comprises a cylindrical expandable member disposed on a tread portion of a tire, and compressed fluid supplying means. The expandable member has anti-skid members im... | 03/28/1989 |
| 4815514 | Belted tire To improve traveling stability, riding comfort, high-speed durability, etc., the uniformity in the main belt of a belted tire is improved by dividing an auxiliary layer into at least three areas in an axial direction of the tire, and both ends of the thre... | 03/28/1989 |
| 4815515 | Structure of window shade An improved window shade structure which comprises two sets of brackets mounted on a window frame; two rollers, to be fixed on the brackets; a shade to the be fixed to rollers and having length larger than the distance between the two rollers; a driving m... | 03/28/1989 |
| 4815516 | Method for recovering casting refractory compositions from investment casting shell molds Y2 O3 is recovered from investment casting shell molds by introducing used mold materials into a dissolution reactor preferably consisting of a rotating vessel having an interior lining of acid and abrasion resistant material. An aci... | 03/28/1989 |
| 4815517 | Core making machine A core making machine wherein a selected blow plate is attracted to the blow head by suction and/or by one or more magnets so that the connection between the blow head and the plate can be terminated or established practically instantaneously without the ... | 03/28/1989 |
| 4815518 | Casting machine A casting bench useful in casting limited quantities of articles includes a top base plate grooved longitudinally to receive opposed sliding cages each advanced by a corresponding first rack assembly. Each sliding cage, moreover, carries with it a corresp... | 03/28/1989 |
| 4815519 | Device for supporting and cooling a continuous casting emerging from a mold A device for supporting and cooling a continuous casting emerging from a discharge end of a mold comprises a member having a support surface and mounted below the mold at the discharge end thereof in such a manner that one of the faces of the emerging con... | 03/28/1989 |
| 4815520 | Method and apparatus for continuously casting metal Continuous casting of metal is optimumly practiced by pouring a casting configured with a trapezoidal cross-section, which issues from the bottom of a mold curvilinearly directed to horizontal extension where it is passed between vertically aligned squeez... | 03/28/1989 |
| 4815521 | Method of producing composite steel body shaft A method of producing a composite steel body shaft by using at least one cooling metal mold having a cavity of a diameter and a steel body having another cavity of another diameter both of which cavities are coaxially disposed to define a through-hole in ... | 03/28/1989 |
| 4815522 | Ventilation plant A ventilation plant for recovering heat from the outlet air and preheating the inlet air consists of a valve housing (10) including two fans (15, 16) for controlling the flow of air in two duct pipes (17, 18) connected to the surrounding atmosphere. An ac... | 03/28/1989 |
| 4815523 | Device and process for cleaning a recirculation-type regenerative heat exchanger A process and device for cleaning a rotary regenerative heat exchanger with a rotating part and a storage mass, for the transfer of heat from a higher-temperature, contaminated gas stream to a lower-temperature clean gas stream, in which upon reduction of... | 03/28/1989 |
| 4815524 | Control system for a furnace operating in the continuous blower mode A furnace having the capability of operating its blower continuously is provided with means for automatically shutting off the blower at the beginning of a heating cycle and for resuming the operation thereof only after a predetermined time has elapsed to... | 03/28/1989 |
| 4815525 | Deployable space radiator with condenser A deployable radiator panel system for use in spacecraft or the like for rejecting power when exposed to space. A plurality of panels are mounted in stacked juxtaposition in stored condition for rotation from the stored condition about a common axis in a ... | 03/28/1989 |
| 4815526 | Central space heating apparatus A central space heating apparatus comprises a furnace having a chamber adapted to receive and contain a gas and a source a heat for heating the gas in the chamber, conduits connected in closed circuit to the furnace chamber for conducting the gas from the... | 03/28/1989 |
| 4815527 | Multi-zone off-peak storage on-peak energy saving air conditioning An air conditioning system characterized by a multiplicity of conditioned zone and downsized compressors within separately operable mechanical refrigeration air conditioners which can be of varied types including simple refrigeration units or heat pump un... | 03/28/1989 |
| 4815528 | Vapor resistant arteries A vapor block resistant liquid artery structure for heat pipes. A solid tube artery with openings is encased in the sintered material of a heat pipe wick. The openings are limited to that side of the artery which is most remote from the heat source. The l... | 03/28/1989 |
| 4815529 | Heat pipe A heat pipe in accordance with the present invention includes an outer pipe and an inner pipe which is inserted to the outer pipe, coolant return routes with relatively large cross-sectional area are provided on the inner side of the outer pipe from the e... | 03/28/1989 |
| 4815530 | Kool kap An air conditioning unit with a protective cap for preventing the intrusion of sun, rain, snow, debris, and the like, into an updraft fan housing and an area proximate heat exchange coils is disclosed. The cap comprises a cap member and a hinge member hav... | 03/28/1989 |
| 4815531 | Heat transfer enhancing device In a heat exchanger, a convoluted plate disposed in a fluid stream flowing in an axial direction generates adjacent counterrotating, large scale axial vortices downstream thereof adjacent a wall over which the fluid flows. The convoluted plate is construc... | 03/28/1989 |
| 4815532 | Stack type heat exchanger A stack type heat exchanger which comprises a plurality of tubular elements including a tank section at least at one end, the tubular elements being adapted to allow a heat exchange medium to pass through; a plurality of air paths interposed between one t... | 03/28/1989 |
| 4815533 | Heat exchanger The invention relates to a heat exchanger, particularly a counter-flow heat exchanger for use in a Joule-Thomson refrigerator. The heat exchanger includes a casing having at least one pipe disposed therein which defines a first flow passage for conducting... | 03/28/1989 |
| 4815534 | Plate type heat exchanger A plate heat exchanger in which the various plates from which it is fabricated are brazed together in a stacked assembly comprised of flow plates and heat transfer plates arranged in alternating relationship. The heat exchanger has inlets and outlets for ... | 03/28/1989 |
| 4815535 | Heat exchanger A heat exchanger having a matrix of tubes around which hot gases flow, the matrix comprising spaced internested oval profiled tubes connected to a manifold for supply of compressed air to the tubes. The manifold is composed of a plurality of superimposed ... | 03/28/1989 |
| 4815536 | Analysis of multi-phase mixtures A method for continuous analysis of mixtures for determining selective properties of components in the mixture flowing along a flow path includes the steps of, firstly, directly measuring and/or calculating the pressure, temperature, density and mass flow... | 03/28/1989 |
| 4815537 | Method for viscous hydrocarbon recovery Improved sweep efficiency is obtained in an oil recovery process wherein oil is recovered from a subterranean, viscous oil containing formation having relatively highly permeable zones and relatively low permeability zones penetrated by at least one injec... | 03/28/1989 |
| 4815538 | Wash tool for well having perforated casing A washing tool (24) attached to the lower end of a pipe string (18) includes a mandrel (28) between upper and lower subs (30, 32). The mandrel (28) has opposed spaced end sections (54 56) connected with an intermediate section (58). Each end section (54, ... | 03/28/1989 |
| 4815540 | Method and apparatus for releasing a well perforating gun from a supporting tubing string A perforating gun is latchably secured to the bottom end of a tubular support which in turn is connected to the bottom of a well tubing string. After the gun has been discharged, it may be released from the tubing string by dropping a ball on an upwardly ... | 03/28/1989 |
| 4815541 | Fire extinguisher A fire extinguisher actuator for a hand held fire extinguisher is disclosed. The actuator includes a support structure which may be pressed into place about the opening of a pressurizable container having fire extinguishing fluid therein. The support stru... | 03/28/1989 |
| 4815542 | Ground leveling attachment for box-scraper An attachment for a box-scraper. The box-scraper includes a pair of spaced apart walls each having a lower edge; a horizontally oriented frame member mounted intermediate the side walls; and, an elongate blade mounted intermediate the walls and having a l... | 03/28/1989 |
| 4815543 | Activated rock cutting assembly A rock cutting assembly consists of a rock cutting roller, a shaft on which it is mounted, and a means for varying the mass of the assembly about the drive axis, to vary the balance of the assembly about that axis. Preferably two rollers are mounted on a ... | 03/28/1989 |
| 4815544 | Cultivator disc adjuster This invention provides a double adjustable weeding disk support device in order to make rapid and positive adjustments of the depth and cut of the weeding disks. This invention is characterized by a shaft having conventional weeding disks rotatably mount... | 03/28/1989 |
| 4815545 | Subsoil blade ploughs Apparatus for fracturing below ground hard pans which includes entering a sub-soil tyne beneath the hard pan with upper surface angle in range of orientation which provides improved fracturing width.... | 03/28/1989 |
