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| Number | Title | Issue Date |
| 4763442 | Plant propagator A method and apparatus for growing a number of plants from cuttings, in a limited space, while mechanically resisting root entanglement. Tubes are placed in a container into which water is added. Plant cuttings are placed individually into the tubes such ... | 08/16/1988 |
| 4763443 | Cell chains Apparatus for propagation of plant seedlings including a cell chain comprising a series of cells rigidly connected to form a group of aligned cells each group being pivotal relative to its adjacent group by a link cell to form a continuous chain of cells ... | 08/16/1988 |
| 4763444 | Viewing and oral communications assembly for doors A viewing and oral communications assembly for doors generally rectangular in shape, having mirror surfaces to transmit images from positions adjacent to the door through the assembly and having audio communication slots which are closed by expansion of i... | 08/16/1988 |
| 4763445 | Combined slide guide and pivot pin for sash window A combined slide guide and pivot pin for engaging the sash balance of a double-hung window assembly, and for riding in a guide rail of the master frame jamb of the window assembly to retain the guide rail in alignment relative to the sash window when the ... | 08/16/1988 |
| 4763446 | Low sound, thermal and air penetration sliding window A sliding window to be installed in a rough frame opening in a wall. The window comprising a frame including a sill, header, two jamb members and a removable mullion. Contained in the frame are a fixed panel and a sliding panel. A locking handle is provid... | 08/16/1988 |
| 4763447 | Torque actuated brake mechanism for spring balanced window sash A brake mechanism utilizes the tension of a spring acting upwardly and the weight of a window acting downwardly to produce a force couple for applying a frictional force to hold a window sash in a preselected position in a sash run. The mechanism is utili... | 08/16/1988 |
| 4763448 | Centerless grinding machine A centerless grinding machine comprising a grinding wheel on a rotational sleeve supported by a hydrostatic bearing means on a stationary spindle fixed to a grinding wheel table, a regulating wheel supported by a hydrostatic bearing on a spindle fixed to ... | 08/16/1988 |
| 4763449 | Manhole cover sealing and locking arrangement A manhole for an urban sanitary system comprises a cover 2, a frame 1 for receiving the cover, a toric elastomeric sealing ring G1 interposed between the frame and the cover, and a soundproofing ring G2 on which the cover seats. The locking of the cover o... | 08/16/1988 |
| 4763450 | Ice dam preventer Roof-mounted devices for providing drainage channels through ice dams that may form on a roof under winter conditions are spaced along the margin of the roof, each device comprising an elongated, heat-collecting metal plate which is installed in a transve... | 08/16/1988 |
| 4763451 | Modular building units A modular unit construction having first and second modular building units for positioning on a parcel, with each modular unit having a generally planar wall portion, the modular units being positionable on a parcel with the planar wall portions in genera... | 08/16/1988 |
| 4763452 | Roof sealing and insulating system A process and a system for applying insulation and water sealing to roofs such as house trailers includes a sealing strip that fastens completely around the upper wall. This strip seals the edges of successive layers of a first waterproof membrane, a laye... | 08/16/1988 |
| 4763453 | Door shoe assembly A metal frame and glass panel structure has a metal shoe having a receiving channel, the receiving channel having at least one smooth side surface and an opposite side surface spaced apart from the smooth side surface; a glass panel positioned within the ... | 08/16/1988 |
| 4763454 | Protective device for window panes A protective device for window panes which are susceptible to scratching, particularly the window panes in folding convertible tops of vehicles. The pane is at its circumference welded into an envelope of covering material which forms a window frame. The ... | 08/16/1988 |
| 4763455 | Interior corner drywall bead An elongate thin strip, with two similar flanges forming a 90° angle, each flange having a shallow step whereby a recessed area for joint compound is provided, when used as a drywall inside corner bead.... | 08/16/1988 |
| 4763456 | Roof anchor and stress plate assembly An anchor and stress plate assembly adapted to secure an insulation layer to the deck of a roof without penetrating the lower surface of the deck which is formed either of relatively soft or hard decking material. The anchor is provided with a flanged hea... | 08/16/1988 |
| 4763457 | Shock attenuating barrier A barrier is constructed from a plurality of cell-like elements interconnected to form a rigid barrier under normal circumstances. The linkages between cells provides a friction-brake force which is exceeded upon application of a traumatic force such as a... | 08/16/1988 |
| 4763458 | Insulation system and method and apparatus for retaining same An insulating system for walls of furnaces, kilns and the like including apparatus and methods for retaining the system in place. The system includes a crisscross pattern of insulation blankets positioned against the wall, a vapor barrier and high tempera... | 08/16/1988 |
| 4763459 | Collet lock joint for space station truss A lock joint for a space station truss has a plurality of struts (2-5) joined together in a predetermined configuration by node point fittings (1). The fittings have removable inserts (6) therein. The lock joint has an elongated housing (12) connected at ... | 08/16/1988 |
| 4763460 | Sealing foil breaker for analyzer test cups A reciprocable vertical shafts 21 has a pyramid shaped lower tip for piercing a sealing foil 8d secured across the top of an analyzer test cup containing an active substance. The edges of the pyramid divide the foil into triangular segments which are pres... | 08/16/1988 |
| 4763461 | Method and apparatus for stretch wrapping An apparatus for wrapping a load by placing, under tension, as panel of elastically stretchable sheet material around the load and including a base (2) having a load positioning recess or notch (3) and a tensioning bar (4) which is movably mounted on the ... | 08/16/1988 |
| 4763462 | Method for inserting partitions In an integrated container packing system where a mass of randomly oriented containers enter the system and are manipulated so that a partition can be inserted between groups of containers and then each group with the partition are placed in a shipping me... | 08/16/1988 |
| 4763463 | Rotary mower in which the rotary cutting elements are driven by transmission means located under the rotary cutting elements The rotary mower of the invention includes a housing (9) formed by modules (10) which have flanges (29, 30) making it possible to connect them to one another by means of assembly elements (28). The flanges (29, 30) are formed by at least two wings spaced ... | 08/16/1988 |
| 4763464 | Process and device for producing cylindrical bales of an agricultural product in a pickup baler Process for producing a cylindrical bale of an agricultural product in a baler whose winding chamber is in part delimited by rotary drive elements above a pickup and which includes a rear part that can be lifted for removal of the bale. The product is int... | 08/16/1988 |
| 4763465 | Braking device for a rotor shaft of a rotor spinning machine A braking device for a rotor shaft of a rotor spinning machine of the type having spaced pairs of rotating bearing support discs. A brake shoe is pivoted for movement upwardly between the bearing support discs and a pair of holddown elements are pivoted f... | 08/16/1988 |
| 4763466 | Steel cord for radial tire A steel cord comprising at least 10 metal filaments and having an elongation of 0.015-0.045% under a load of 0.5 kgf, an elongation of 0.025-0.060% under a load 1 kgf, and an elongation of 0.060-0.114% under a load of 4 kgf, assuming that the elongation u... | 08/16/1988 |
| 4763467 | Method and means of controlling the stop of the feed of roving in a spinning machine Controlling the stop of the feed of roving in a spinning machine in which yarn is wound on spindles through travelers rotating on rings and in which a stop motion is actuated to stop the feed of the roving to drafting rolls in response to detecting a yarn... | 08/16/1988 |
| 4763468 | Process for manufacturing a high strength cord from optimally drawn yarn The present invention reveals a process for manufacturing a high strength woven fabric that is particularly suitable for use as a tire reinforcement which comprises: (a) drawing a polymeric yarn to a draw ratio that is 70% to 99% of the draw ratio that wo... | 08/16/1988 |
| 4763469 | Open-end rotor spinning arrangement An apparatus for open-end rotor spinning is provided which includes a spinning rotor having a rotor shaft and a spinning rotor plate on one end of the rotor shaft. At least one pair of supporting disks is provided in between which the rotor shaft is dispo... | 08/16/1988 |
| 4763470 | Spring collar coupling A spring collar coupling (10) is provided for joining opposing fluid conduits. Basically, the spring collar coupling comprises a spring collar (20) in cooperative engagement with a first and second flange member (40, 60) functionally joined by the applica... | 08/16/1988 |
| 4763471 | Exhaust plenum chamber An exhaust plenum chamber for a supercharged engine having a variable volume. A mechanical spring is arranged to an exhaust plenum chamber to increase the spring action of the plenum chamber volume. In this connection, the plenum chamber interior is divid... | 08/16/1988 |
| 4763472 | Power transfer unit A power transfer unit coupling two otherwise separate hydraulic systems for bidirectional transfer of hydraulic power therebetween without transfer of fluid between the two systems. Control of the power transfer unit is effected using only hydraulic press... | 08/16/1988 |
| 4763473 | Arrangement for operating a diesel hydraulic drive An arrangement for operating a diesel-hydraulic drive on a construction machine in limit-load control with a microprocessor controller in which the installed hydraulic power is greater than the rated output of the diesel engine. Upon thermal and/or diesel... | 08/16/1988 |
| 4763474 | Control system for a variable inlet area turbocharger turbine A pneumatic control system for the variable area turbine inlet of a turbocharger of an internal combustion engine. The variable turbine inlet is actuated by a pneumatic actuator having a first connection to compressor boost pressure and a second connectio... | 08/16/1988 |
| 4763475 | Control apparatus for a waste gate valve of a turbocharger in an internal combustion engine In a supercharger for an internal combustion engine having a waste gate valve, a signal for controlling the opening of the waste gate valve is generated in such a manner that a basic amount thereof is produced on the basis of the opening of a throttle val... | 08/16/1988 |
| 4763476 | Controller for variable geometry type turbocharger A controller for a variable geometry type turbocharger controls a sectional area of an throttle throat of a turbine through which exhaust gases from an engine is supplied to the turbine on the basis of a engine speed and an amount of air introduced into t... | 08/16/1988 |
| 4763477 | Method of controlling supercharge pressure and apparatus for realizing the same A supercharge pressure control apparatus having a plurality of detectors, a control valve for controlling the exhaust gas flow flowing into an exhaust gas turbine, first and second electromagnetic valves for selectively controlling the control valve in re... | 08/16/1988 |
| 4763478 | Method and device for driving a linearly movable component, especially the movable switch contact of an electric high-voltage circuit breaker A method and device for driving a linearly movable component, wherein a pressurized fluid is generated by feeding a given volume of oxygen into a combustion space connected to a piston/cylinder configuration and feeding a given volume of fuel into the com... | 08/16/1988 |
| 4763479 | Method for the production of useable steam and non-toxic solids from geothermal brine A method is provided for producing power from geothermal brine comprising dissolved toxic elements without significant precipitation of toxic solids. When sludge produced by the process is washed, non-toxic solids are produced which can be disposed or uti... | 08/16/1988 |
| 4763480 | Method and apparatus for implementing a thermodynamic cycle with recuperative preheating A method and apparatus for implementing a thermodynamic cycle with preheating, involves expanding a gaseous working fluid to a medium pressure to transform its energy into usable form. The expanded gaseous working fluid is split into two different streams... | 08/16/1988 |
| 4763481 | Combustor for gas turbine engine A combustor for a gas turbine engine. The combustor employs an array of fuel injectors arranged across and in the mouth plane of the combustor flame tube. Each injector has a baffle plate through which the injector nozzle projects, the baffle plate having... | 08/16/1988 |
