Stephen Kovacs received a patent for a magnetic heart pump.
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| Number | Title | Issue Date |
| 4117552 | Protective clothing An inter-inner-and-outer-clothing overall garment comprising a layer of air permeable cloth treated with oleophobic compound to render a designated outer surface thereof liquid repellant and having activated charcoal approximate a designated inner surface... | 10/03/1978 |
| 4117553 | Helmet shield and visor apparatus A shield and visor combination for snapping onto a helmet includes a visor attachable to a helmet and a shield rotatably attached to the visor and having a center snap for holding the shield in position to cover the face of the wearer. The shield is attac... | 10/03/1978 |
| 4117554 | Protective hard hat and welder's hood A protective face and head apparel especially suited to the occupational needs of welders, the invention particularly comprises a hard hat with a scalloped lower edge and a head band assembly which includes an elastically deformable band for adjusting the... | 10/03/1978 |
| 4117555 | Canine toilet A canine toilet which accommodates dogs of both sexes and has a flushing system which is automatically put into operation when a dog sits on a platform to defecate. It also includes such auxiliary features as a drinking fountain for the dog, a shampoo spr... | 10/03/1978 |
| 4117556 | Flush water conserver A flush water conserver adapted for easy retrofitting to existing standard toilet flush tanks is disclosed. The standard trip lever fixed to the pivot shaft of the toilet operating handle is replaced with a trip lever mounted on a pivot which is located b... | 10/03/1978 |
| 4117557 | Horizontally adjustable curtain rods for bathroom stalls A bathroom stall having a doorway and a catch basin or bath tub with a wall thereof lying substantially in the plane of the doorway, in combination with a U-shaped cantilevered rod for suspending the intermediate portion of the curtain over the doorway wh... | 10/03/1978 |
| 4117558 | Collapsible tub insert A collapsible tub insert utilizes a unitary element having a base portion and walls upstanding therefrom. One portion of the walls includes a semi-rigid construction joined by an accordion pleated wall portion, similar to a "living-hinge" to the remaining... | 10/03/1978 |
| 4117559 | Bathroom deodorizer and odorizer devices and methods of making and using the same A bathroom deodorizer and odorizer for use with a conventional toilet bowl comprising housing means, said housing means provided with a motor chamber therein, said motor chamber opening externally of said housing, said housing provided with first and seco... | 10/03/1978 |
| 4117560 | Apparatus for treating fluids and treating tablets therefor An apparatus for treating fluids especially fluids in a recirculating toilet system wherein recycled flush water is chemically treated with a sanitizing material just prior to delivery to the toilet bowl. This system is designed so that the recycled flush... | 10/03/1978 |
| 4117561 | Patient lift device A movable patient lift device that comprises a lower base assembly, an upstanding post assembly mounted on one end of the base assembly, a cantilever boom assembly, which includes a track, mounted on the upper end of the post assembly and extending longit... | 10/03/1978 |
| 4117562 | Water walker A water walker for enabling an individual to walk upon water including a pair of elongated buoyant water walker assemblies which can be attached to the feet of the user. Each assembly includes a buoyant flotation member which has a runner longitudinally e... | 10/03/1978 |
| 4117563 | Thread chaser tool for contiguous straight and tapered thread runs A thread chaser tool with cutting edge defined by two symetrical points. The tip radii of the two points are spaced apart slightly less than the pitch of a thread to be cut. The thread form is generated by the inside flanks of each point and a crestformin... | 10/03/1978 |
| 4117564 | Oil tank cleaning apparatus Oil tank cleaning appartus is disclosed comprising a rotary cutter rotatably mounted on a shaft and operatively connected to impellers to turn the cutter. A conduit is operatively connected to the cutter for leading a fluid away from the cutter. The cutte... | 10/03/1978 |
| 4117565 | Chromium base alloy composite materials reinforced with continuous silicon carbide fibers and a method for producing the same Chromium base alloy composite materials having high corrosion resistance, idation resistance and tensile strength at high temperatures are produced by laminating and arranging silicon carbide fibers containing 0.01-20% by weight of free carbon, which have... | 10/03/1978 |
| 4117566 | Vehicular lug nut cleaning device A sponge forms an inner shaftway with interiorly projecting ribs to engage the sides of a lug nut, a shaft with a bottom plate attached to the bottom of the shaft is attached by adhesive material to the sponge body and a handle attached perpendicularly to... | 10/03/1978 |
| 4117567 | Door closer A door closer comprises: first and second cylinders provided with respective hinge pieces, the cylinders being rotatable with respect to each other about one and the same axis and being in contact with each other in the axial direction thereof; a support ... | 10/03/1978 |
| 4117568 | Crank handle for window regulator shaft A crank handle for a window regulator shaft has a unit body which includes an elongated shank, a head at one end of the shank on one side thereof having a fluted bore adapted to frictionally receive said shaft for securing thereto, and a knob element of g... | 10/03/1978 |
| 4117569 | Over-center knuckle-joint hinge A knuckle-joint over-center hinge, in combination with a first member for connection to a wall and a second member for connection to a door, and a first arm and a second arm, respectively, pivotaly linked to the first and second member, and an over-center... | 10/03/1978 |
| 4117570 | Apparatus for cutting out the vent of a fowl Aparatus for cutting out the vent of a fowl, having at least one cutting means with a hollow cylindrical knife rotating about a center pin, which is axially reciprocable and rotatable relative to the knife, and a helical hook concentrically mounted within... | 10/03/1978 |
| 4117571 | Method of feeding cotton to a gin Cotton on a rick is placed upon a slab adjacent to the gin. A feeder unit having a plurality of drums advances against the rick to move the cotton from the rick onto conveyors to feed the cotton gin. The feeder unit is reversible, so that as soon as a ric... | 10/03/1978 |
| 4117572 | Drawing frame with a belt control system, for spinning frames In a drawing frame having a fibre-control system composed by two confrontingly and superposedly mounted closed-lap belts, the improvement consisting in that the upper-belt driving cylinder has a barrel-like sleeve of an elastomeric material of an appropri... | 10/03/1978 |
| 4117573 | Packing band tightening device A unitary packing band tightening device having a square frame and two parallel legs connected through a flexible hinge to one end of said frame, wherein ridges extend in the longitudinal direction on the top and bottom of the legs and on the top and bott... | 10/03/1978 |
| 4117574 | Knotless fish line connector A connector joins a fish line to a leader without the need of knotting the fish line. The fish line is passed through a cylindrical opening located at one end of a round shaft, then wound around several spiral grooves in the surface of the shaft, then pas... | 10/03/1978 |
| 4117575 | Fastener A fastener of the type in which two arrays of spaced-apart coupling heads are juxtaposed and pressed together, either with or without a slider, so that the heads of one array or row are received in the inter-head spaces of the other row and vice versa, is... | 10/03/1978 |
| 4117576 | Selvedge detector and guide Apparatus to sense and guide the edge of a backing material having a raised surface. A double sensor is provided to either sense the edge of applied substance or the edge of the backing material or selvedge. The double sensor employs a pair of flag member... | 10/03/1978 |
| 4117577 | Method to protect fabric selvedge on loop pile cutting machine Method to prevent the accidental cutting of the selvedge backing material of a pile fabric being sheared by a rotating cutting apparatus by maintaining the selvedge in a tensioned condition in response to an automatic control which senses the position of ... | 10/03/1978 |
| 4117578 | Process for heat treating a needled batt A scrimless poly(m-phenylene isophthalamide) fiber felt suitable for high temperature gas filtration and a process for preparing the felt.... | 10/03/1978 |
| 4117579 | Method of impregnating a capacitor Between about 0.01 and 10.0% by weight of an antioxidant, and between about 0.1 and 10% by weight of an epoxide are added to a liquid aromatic ester prior to refining or purification of the ester and prior to the use of the ester to impregnate a capacitor... | 10/03/1978 |
| 4117580 | Manufacture of bearings A lined bearing is made by tinning at least the radially inner surface of a bearing ring, providing an atmosphere of water vapour adjacent the tinned surface to which a flux is also supplied, and centrifugally casting on the lining material. Tinning can b... | 10/03/1978 |
| 4117581 | Multi-purpose puller Three jaws are pivoted to a head carrying the pressure screw or bolt. One jaw is pivotally secured to one side of the head and the other two jaws are normally situated at 120° one upon each side of the first jaw and are also pivotally secured to the head... | 10/03/1978 |
| 4117582 | Apparatus for producing parallel wire strands for bridges and the like by winding and unwinding strand of large cross-section and for simultaneously applying corrosion protection thereto Process for winding and unwinding a parallel wire strand consisting of a multiplicity of individual wires onto and from a cable drum, and apparatus for performing such process. In the winding process, the parallel wire strand which is supplied in generall... | 10/03/1978 |
| 4117583 | Method of providing a wear-resistant lining in the work chamber of a screw extruder A wear-resistant lining is provided in the work chamber of a screw extruder by providing an internal cavity in the extruder housing of a shape corresponding to the external cross-section of a wearing insert but sufficiently larger such that a gap of prede... | 10/03/1978 |
| 4117584 | Method of manufacturing an improved conduit for conveyance of hot fluid A conduit for conveyance of hot fluids includes an inner tube, through which the fluid passes, made of a material having a low coefficient of thermal expansion, preferably less than 5 × 10-6 per ° C and advantageously INVAR .RTM. with a coeff... | 10/03/1978 |
| 4117585 | Apparatus for wiring electrical cabinets A method and apparatus for semiautomatic wiring of telephone cabinets is disclosed which is suitable for twisted pairs of telephone wires. A pair-indexing head having a plurality of dual threaded spinning index rotors is used to permit automatic mass-term... | 10/03/1978 |
| 4117586 | Machine tool with automatic tool changer A machine tool with an automatic tool changer having a tool storage magazine accommodating tools having the same shank configuration as that of the first shank, tools having the same configuration as that of the second shank, and a tool adaptor which has ... | 10/03/1978 |
| 4117587 | Negative-resistance semiconductor device A pair of field-effect transistors (hereinafter referred to as FETs) of p-channel type and n-channel type, respectively, both to be electrically actuated in a depletion mode, are formed on a single semiconductor substrate, for instance, a single silicon s... | 10/03/1978 |
| 4117588 | Method of manufacturing three dimensional integrated circuits A method of manufacturing three dimensional integrated circuits from compatible co-fireable materials by extruding batched co-fireable materials to form blocks of specified cross-sections, selecting and stacking cross-section of various widths from differ... | 10/03/1978 |
| 4117589 | Method of manufacturing a hermetically sealed electronic component A method of manufacturing a passive hermetically sealed electronic component having a coupling element of soft alloy material between the component element and the leads for providing strain relief. The component element is composed of a passive element h... | 10/03/1978 |
| 4117590 | Wire lead and solder removal tool A power-operated tool functions to remove wire leads and solder from terminals e.g., terminals which include two bent lugs, without any application of heat to the leads or terminals. The tool includes a number of scrapers, each having a scraping edge. Wit... | 10/03/1978 |
| 4117591 | Nail clipper with trim retaining clamp An improved nail clipping implement of the type comprising dual cutting-edge equipped spring arms incorporating a fold-away, pressure actuated lever mechanism for cooperatively operating the cutting edges. The improvement features a nail retaining clampin... | 10/03/1978 |