1
Harry P Weinrib: Catheter with coiled tip. Fitch Even Tabin & Flannery, November 17, 1987: US04706671 (569 worldwide citation)

A catheter is provided with a coil section at the distal end which is stretched initially into a generally linear insertion position for moving inwardly a vessel, such as a blood vessel, to an operative location at which the coil section is re-formed with a larger diameter, preferably in the form of ...


2
Michel Gondouin: Heavy oil recovery process. S Cal Research, November 17, 1987: US04706751 (297 worldwide citation)

Heavy oil is recovered from deep reservoirs by injection of a gaseous mixture containing hydrogen, steam and in some cases oil soluble gases and/or vapors. This mixture is produced by a reversible exothermic catalytic reaction in a down-hole reactor and injected into a well drilled, preferably horiz ...


3
Akira Suzuki, Hideki Tanaka, Gen Murakami: Semiconductor device and method of manufacturing thereof. Hitachi, Antonelli Terry & Wands, November 17, 1987: US04707724 (239 worldwide citation)

A nickel-alloy layer is formed on a lead frame made of a material which consists chiefly of copper as a base material, a pellet is then mounted, and a resin is applied thereto to form a package. Then, a copper layer or an alloy layer of copper and 0.05 to 0.2% by weight of zinc is formed on said nic ...


4
Erik Andersen, Gianni Leoni: Dilatation catheter. Meadox Surgimed, Blum Kaplan, November 17, 1987: US04706670 (238 worldwide citation)

A balloon catheter for use in angioplasty and the like includes a shaft made of an elastomeric tube reinforced with longitudinally inelastic filaments. In the distal balloon portion of the unpressurized shaft, the filaments lie at an angle which is less than a predetermined critical angle. In the ad ...


5
Eberhard Roos: Electro surgical high frequency cutting instrument. Berchtold Medizin Elektronik & Co, Townsend and Townsend, November 17, 1987: US04706667 (224 worldwide citation)

In an electro-surgical r.f. cutting instrument in which the neutral electrode (11) is arranged on both sides of the cutting electrode (12) but is however set back relative to the cutting electrode (12) on the instrument body (13). The ratio of the sizes of the contact areas (14, 15) of the neutral e ...


6
Herbert Schachner, Heinz Tippmann, Benno Lux, Klas G Stjernberg, Anders G Thelin: Method for making a composite body coated with one or more layers of inorganic materials including CVD diamond. Santrade, Burns Doane Swecker & Mathis, November 17, 1987: US04707384 (212 worldwide citation)

A chemical vapor deposition method for the production of a composite body with one or more polycrystalline diamond layers, essentially free of intercrystalline binder phase, on a substrate of one of: (a) metalbonded hardmaterial compound; (b) ceramic material; or (c) a metal or an alloy, whereby the ...


7
Kasim I Gouda: Frame for stereotactic surgery. Wolf Greenfield & Sacks, November 17, 1987: US04706665 (203 worldwide citation)

An improved stereotactic instrument for precise insertion of an electrode or a biopsy needle into the brain is designed for use with a computed tomographic (CT) scanner and does not require scanner software modification or complicated calculations to transfer the scanner coordinates of a desired bra ...


8
Carl F Andren, David A Olaker: Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform. Harris Corporation, Antonelli Terry & Wands, November 17, 1987: US04707839 (192 worldwide citation)

In a spread spectrum communications system employing cyclic code shift keying as its primary modulation, the transmission waveform is spread for transmission security by modulo-2 adding a pseudo-noise sequence to the CCSK data symbols prior to phase modulating onto a carrier signal for transmission. ...


9
Carl H Alber, Glenn Alber: Battery testing and monitoring system. Alber Engineering, Sherman and Shalloway, November 17, 1987: US04707795 (185 worldwide citation)

A battery testing and monitoring system specifically designated to continuously monitor overall battery voltage, conditions of individual cells or cell groups such as voltage, current and temperature as well as individual cell or cell group failures, conduction path failures and other conditions. Th ...


10
Dale L Montrone, Edward T Lewis: Adder/substractor for variable length numbers. Raytheon Company, Philip J McFarland, November 17, 1987: US04707800 (160 worldwide citation)

An adder/subtractor wherein N/2 two bit adders are connected to allow the addition of numbers having N bits, each one of the two bit adders having associated control circuitry adapted: (a) to cause each two bit adder either to add applied bits directly or to add one applied bit and the "two's comple ...



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