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William Kolff obtained a patent for the soft shell mushroom shaped artificial heart.
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| Number | Title | Issue Date |
| 4547903 | Sweat band apparatus A sweat band made of a moisture absorbing material is shaped to fit around the head of a person and has strips of hook and loop material attached thereto for attaching a sun visor or cap. The sun visor has a concave curved portion shaped to fit the forehe... | 10/22/1985 |
| 4547904 | Survival suit A wet type survival suit, particularly useful for oil rig workers or pilots and crew members stranded in water, includes an outer layer of material including a sheet of breathing material sandwiched between layers of fire protection material, a middle lay... | 10/22/1985 |
| 4547905 | Athletic shoulder pad A shoulder pad construction in which outer plastic shells are held off of the shoulders by rigid underlying arches so that the pad is supported entirely on the chest and back rather than on the shoulders. The opposite ends of the arches are secured to the... | 10/22/1985 |
| 4547906 | Heat retaining article The heat retaining article according to the invention comprises at least one inflatable envelope attached on a sheet material. The envelope is made of an air-impermeable sheet which is produced by treating a cloth with at least one synthetic or natural ru... | 10/22/1985 |
| 4547907 | Patient's gown A gown for use by a patient in a medical facility is made from a single pattern composed of a single, homogeneous piece of pliable material which is configured to provide an elongated main portion and two generally rectangularly shaped projection portions... | 10/22/1985 |
| 4547908 | Cap arrangement A cap arrangement is disclosed for sealing the space between the outer surface of a protective helmet and the upper edge of a pivotally mounted visor carried by the helmet, to prevent, for example, sawdust passing to the space on the inside of the visor d... | 10/22/1985 |
| 4547909 | Eye protection means for eye wear Eye protection means for use in combination with eye wear, such as safety glasses, having a brow guard in the form of a surface extending from the upper portion of the eye wear to a portion closely adjacent to the brow of the wearer. In one embodiment of ... | 10/22/1985 |
| 4547910 | Low friction bearing surfaces and structures particularly for artificial prosthetic joints A slide bearing surface element is disclosed which can be used in prosthetic joints or mechanical bearing devices. The element has a composite coating made of a matrix of epoxy resin with particles of Al2 O3 dispersed therein. Cu or ... | 10/22/1985 |
| 4547911 | Implantable heart pump A mechanical heart for implantation into the human body is run at a higher frequency which is a harmonic multiple of a normal heart beat frequency, and the pump chamber volume is reduced, proportionately to the increased pumping frequency. The circuit for... | 10/22/1985 |
| 4547912 | Amputation apparatus Amputation apparatus for use with an internal prosthesis attachable to the end of a stump having an outwardly extending bone. The amputation apparatus includes a cap having an internal cavity for insertion over the bone and an opposed outwardly extending ... | 10/22/1985 |
| 4547913 | Composite prosthetic foot and leg A composite prosthetic foot and leg which allows a high degree of mobility on the part of an amputee is disclosed. The prosthetic foot and leg utilizes a resin impregnated high strength filament structure for the leg portion, the foot portion and heel por... | 10/22/1985 |
| 4547914 | Intraocular posterior chamber lens A new type of intraocular posterior chamber lens is provided for implantation in the eye following cataract extraction. The new lens is uniquely structured at its rear face such that, when implanted, a separation or an open zone is provided at the visual ... | 10/22/1985 |
| 4547915 | Intraocular posterior chamber lens A new type of intraocular posterior chamber lens is provided for implantation in the eye following cataract extraction. The new lens is uniquely structured at its rear face such that, when implanted, a separation or an open zone is provided at the visual ... | 10/22/1985 |
| 4547916 | Magnetically actuated level indicator A level indicator for a portable toilet comprises a visible indicator on the exterior of the toilet's holding tank, a float mechanism on the tank's interior operable to sense the level of liquid material in the tank, and a magnetic coupling between the fl... | 10/22/1985 |
| 4547917 | Water closet system having a liquid separator A water closet system comprising a lavatory which is connected to a collection tank or mouldering chamber (2) over a discharge piping (3), and a liquid separator (4) interconnected in said discharge piping (3) adjacent and above the tank or chamber (2). T... | 10/22/1985 |
| 4547918 | Body supporting network The present invention relates to a body supporting network suitable for use with a load supporting system. The network includes at least first and second pluralities of elongate support members securable with the system for supporting a load. The first an... | 10/22/1985 |
| 4547919 | Inflatable article with reforming and reinforcing structure An inflatable article, having a pair of gas impervious sheets which are heat welded together at their edges to form an envelope and are provided with parallelly spaced apart longitudinal first seams to define a plurality of air compartments between the pa... | 10/22/1985 |
| 4547920 | Process for developing porosity in air impervious film and articles produced by the process A process for developing porosity in air impervious film. The process is disclosed for fabricating a cushion article having a cover provided with increased air flow capabilities. A covering is provided for a cushion body, the covering including a laminate... | 10/22/1985 |
| 4547921 | Pattern dyeing of textile materials such as carpet A versatile carpet dyeing applicator capable of producing novel and visually pleasing multicolor pattern effects ranging from apparently completely random to fairly well-defined. An inclined distributing plate such as a conventional doctor blade extends a... | 10/22/1985 |
| 4547922 | Top brush construction with inflatable center section A rotary brush for vehicle washing systems comprising first, second and third sections of radially extending felt strips, the lengths of said strips being such that the overall outer diameter of the brush when rotating is uniform but the second or central... | 10/22/1985 |
| 4547923 | Surgical knife cleaner A surgical knife cleaner and, more particularly, a cleaner for a cautery knife used to clean and cauterize incisions and wounds. A readily attachable base has a cradle to retain a closely coiled strand on an axis parallel to the base. The cradle has edges... | 10/22/1985 |
| 4547924 | Gun cleaning implement A gun cleaning implement comprising a cleaning swab and a cleaning tip, the cleaning tip having a threaded portion for retainably receiving a first cleaning swab thereon. The cleaning tip also has a smooth portion for receiving a second cleaning swab. The... | 10/22/1985 |
| 4547925 | Carrier for a windscreen wiper blade A windscreen wiper blade carrier comprising a bowed stem with means for engaging a wiper arm, socket means at each tip and resilient snap-engaged support means comprising retainers for engagement with a blade. The carrier is adjustable at both ends so as ... | 10/22/1985 |
| 4547926 | Roller tray with cover Paint roller tray has closed bottom and sides which terminate in upper periphery. Hinged cover seals against the periphery of the sides to exclude air to inhibit drying of the paint. Preferably, the cover has retainers on the inside for holding paint roll... | 10/22/1985 |
| 4547927 | Compact vacuum cleaner A vacuum cleaner is constructed of relatively rigid, molded plastic main structural elements including a dirt collecting tank and a motor housing releaseably secured to each other by a buckle. The main structural plastic elements also include a fan housin... | 10/22/1985 |
| 4547928 | Tool for cleaning and removing deposited material, particularly from motor vehicle brake drums A tool for removing solid deposited material from a surface to be cleaned, such as for cleaning material from the brake drums of motor vehicles and for removing the material, includes a member for loosening the deposited material and a connection to a vac... | 10/22/1985 |
| 4547929 | Spring biased shifting pivoting center hinge This invention relates to a spring biased shifting pivoting center hinge for swinging doors wherein the hinge pin rigidly affixed to the first swinging half of the hinge pivotably and shiftably engages a slotted hole with a spring bias that is included in... | 10/22/1985 |
| 4547930 | Hinge preparation assembly for a steel door The invention relates to hinge preparation assembly for mounting in each of the hinge mortises formed in the hinge edge of a steel door. The hinge preparation assembly includes a hinge reinforcement member having a plurality of spaced apart openings inclu... | 10/22/1985 |
| 4547931 | Apparatus for automatic delivery from a receiver of adjacently hanging loops of sausages Apparatus for automatic continuous or stepwise delivery of sausage loops hanging adjacent to one another from a receiver under which a smoking rod is arranged that is slidable in the feed direction of the receiver relative thereto.... | 10/22/1985 |
| 4547932 | Process and apparatus for shirring tubular casings Disclosed is a process for shirring tubular casings, in particular sausage casings, in which the casing is conveyed in the direction of its longitudinal axis and shirred against a counterforce by means of a shirring tool. The shirred tubing portion is div... | 10/22/1985 |
| 4547933 | Process for preparing a high strength aramid spun yarn High strength, high modulus, continuous filament aromatic polyamide yarns are stretch broken under high tension while being sharply deflected in a lateral direction by mechanical means to provide a sliver which is processed by conventional means to a high... | 10/22/1985 |
| 4547934 | Crimped staple fiber Process and apparatus are provided for the preparation of crimped staple fibers. By automatically adjusting the pressure on the stuffer crimper box discharge means as a function of staple cutter speed, a crimped staple product with uniform fiber-to-fiber ... | 10/22/1985 |
| 4547935 | Waste grid for a textile fiber processing machine A textile fiber processing machine includes a rotary cylinder having circumferential areas for engaging and circumferentially entraining fiber material introduced into the machine; and a waste grid situated adjacent to and radially spaced from, a circumfe... | 10/22/1985 |
| 4547936 | Drawing apparatus for textile fibre webs The drawing apparatus for textile fibre webs comprises a series of pairs of olls, the peripheral velocity of the rolls of each pair being greater than the peripheral velocity of the preceding pair in the direction of advance of the web. Each roll has a res... | 10/22/1985 |
| 4547937 | Snap lock connector with push-button release A snap lock connector is provided for positively mechanically locking two articles together while enabling their immediate separation responsive to the push of a button. The device comprises a bifurcated locking member extending from a first article and n... | 10/22/1985 |
| 4547938 | Yarn texturing jet A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, and a movable venturi and a cylindrical baffle located at the outlet end of the jet. The venturi may be moved from a string up position to an operati... | 10/22/1985 |
| 4547939 | Secondary batteries A plate for a multi-cell secondary battery incorporating a moulded perimeter frame (10) of thermoplastic material with a metal mesh (18) spanning the area of the frame (10) to provide support for battery paste material. The metal mesh (18) having at least... | 10/22/1985 |
| 4547940 | Transport roller assembly A transport roller assembly is disclosed which is adapted for use as a yarn delivery roller in a yarn false twisting machine, and which is designed to minimize the time and expense of its replacement upon being damaged. The assembly comprises a spool-like... | 10/22/1985 |
| 4547941 | Method for repairing housings of pumps and the like The cast iron housing of a pump for conveying gravel or the like can be repaired by inserting into a recess in its internal surface a casting which at least substantially fills the recess. The recess develops as a result of washout, cavitation and/or othe... | 10/22/1985 |
| 4547942 | Method for producing a muffler A method of rigidly connecting a plate and a tube such as those of a muffler associated with an internal combustion engine. The plate is formed with an eyelet by burring or like technique and, then, the tube is inserted into the eyelet as far as a predete... | 10/22/1985 |
