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Gene M Farling: Human body implant of graphitic carbon fiber reinforced ultra-high molecular weight polyethylene. Zimmer USA, Olson Trexler Wolters Bushnell & Fosse, November 1, 1977: US04055862 (246 worldwide citation)

A medical body implant element that is intended to experience rolling or sliding pressure during its function in the human body comprises microparticles of ultra-high molecular weight polyethylene which are fused together into a matrix. A quantity of graphitic carbon fibers of short, random lengths ...


2
Alain Carpentier, Xavier Leclercq, Jean Paris: Support for a natural human heart valve. Rhone Poulenc, Stevens Davis Miller & Mosher, November 1, 1977: US04055861 (237 worldwide citation)

A support for a natural human heart valve is disclosed, said support consisting of an annular or part annular semi-rigid frame having the shape of at least a substantial portion of the periphery of said natural heart valve at the base of its cusps, the frame being completely or partly enclosed in a ...


3
Arne David Lindstrom: Surveillance system. Saab Scania, Brumbaugh Graves Donohue & Raymond, November 1, 1977: US04056684 (152 worldwide citation)

A surveillance system comprises a central unit connected, by the intermediary of a communication channel, to a plurality of local terminal units in order to receive information from these units concerning changes of status in sensors connected to the terminal units. Each terminal unit comprises a tr ...


4
Takuya Endo, Toshio Hirota: Power supply system having two different types of batteries and current-limiting circuit for lower output battery. Nissan Motor Company, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, November 1, 1977: US04056764 (145 worldwide citation)

A system constituted at a relatively large capacity and low output first battery such as a fuel cell, a smaller capacity and higher output second battery, and a current-limiting circuit for restricting the maximum discharge current of the first battery to a predetermined value slightly above the ope ...


5
George C Tibbetts: Transducer having piezoelectric film arranged with alternating curvatures. Tibbetts, November 1, 1977: US04056742 (104 worldwide citation)

A transducer of the type converting between electrical and mechanical energy by means of the piezoelectric effect in a supported sheet of uniaxially oriented, electrically polarized thin high polymer film such as polyvinylidene fluoride, having surface electrodes thereon for connection to an electri ...


6
Michael M Williams: Foldable container and blank therefor. Packaging Corporation of America, Neuman Williams Anderson & Olson, November 1, 1977: US04056223 (98 worldwide citation)

A foldable container having reinforced corners is provided. The container includes a bottom section which is delimited by upright side and end panels. The side and end panels are foldably connected to the periphery of the bottom section and cooperate therewith to form an open top product-accommodati ...


7
Houshang Lolachi: Flow system for centrifugal liquid processing apparatus. Baxter Travenol Laboratories, Henry W Collins, Richard G Kinney, Eugene M Cummings, November 1, 1977: US04056224 (89 worldwide citation)

A seal-less disposable flow system for use in conjunction with a centrifugal liquid processing apparatus or the like wherein a rotor assembly for subjecting a liquid to be processed to centrifugation is rotatably mounted on a rotor drive assembly, which is rotatably mounted to a stationary base. The ...


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William C Grossman: Energy conversion system using windmill. Townsend and Townsend, November 1, 1977: US04055950 (85 worldwide citation)

A system for recovering the energy from atmospheric wind wherein a windmill operates a compressor for compressing air which is stored in one or more tanks. The compressed air is used to drive a prime mover coupled by gear means to an electrical generator or other work-producing apparatus. The prime ...


10
Robert R Todd, Edward W Rowland Hill: Crop residue deflector means. Sperry Rand Corporation, Frank A Seemar, John B Mitchell, Michael R Swartz, November 1, 1977: US04056107 (81 worldwide citation)

A deflector panel is pivotally mounted within the straw hood of a combine and is disposable between a first position wherein residue material emanating from the combine is deflected into a straw chopper and a second position wherein the emanating material is deflected through the residue outlet of t ...