Marian I Ionescu, Jay A Lenker, Philip S Yang: Alternate stent covering for tissue valves. Shiley, Charles J Knuth, Lawrence C Akers, Mark Dryer, December 16, 1986: US04629459 (118 worldwide citation)

A prosthetic heart valve comprising a stent having an annular base and a plurality of legs extending upwardly from said base; a valve element circumscribing said stent and attached thereto, said valving element comprising a number of cooperating valve leaflets equal to the number of said legs; and a ...

Donald A Clarke, Rodger L Reynolds, Timothy R Pryor: Panel surface flaw inspection. Diffracto, Larson and Taylor, December 16, 1986: US04629319 (117 worldwide citation)

This invention relates to electro-optical sensing of form type and other defects on surfaces such as sheet metal or plastic panels. Method and apparatus are disclosed for detection and quantification of defects such as dents, creases, low spots, flat spots, etc. which are a result of the manufacturi ...

Angela DiGiacomo, Kantilal H Khokhani: Element placement method. International Business Machines Corporation, Douglas A Lashmit, Mitchell S Bigel, December 16, 1986: US04630219 (114 worldwide citation)

A method for placing a plurality of different size electronic elements having predetermined interconnection requirements thereamong, on a next level electronic package having an array of element placement positions thereon determines optimum placement in a three pass process. In the first pass, all ...

Jon D Dubois: Oilfield coil tubing. Quality Tubing Incorporated, Arnold White & Durkee, December 16, 1986: US04629218 (113 worldwide citation)

A coil tubing string for injecting fluids into a well includes one or more tapered wall tubing sections welded in series with adjacent straight wall tubing sections to form smooth joints therebetween. The tubing string has tubing sections of dissimilar wall thicknesses. Such tapered wall tubing sect ...

Nobuyuki Sato, Kyotake Uchiumi, Shinji Nabetani, Ken Uchida: Nonvolatile MNOS memory. Hitachi, Hitachi Microcomputer Engineering, Antonelli Terry & Wands, December 16, 1986: US04630086 (111 worldwide citation)

A nonvolatile memory which has both the merits of a floating gate type EEPROM and an MNOS type EEPROM and which can be written into and erased with low voltages is disclosed. Each memory element in the nonvolatile memory has a floating gate, a control gate, a gate insulator film between a semiconduc ...

Gary L Stenerson, Thomas J Miller: Semiconductor chip carrier package with a heat sink. Printed Circuits International, Thomas S MacDonald, Alan H MacPherson, Steven F Caserza, December 16, 1986: US04630172 (111 worldwide citation)

A semiconductor chip carrier and contact array package having an apertured dielectric bottom layer (11), one or more chip connection layers such as wire bond layers (16, 17) insulated from one another, at least one chip-holding recess (24) in the wire bond layers and a heat conductive copper heat si ...

Marvin F Lindsey: Novel hybrid corn plant. DeKalb Pfizer Genetics, Sughrue Mion Zinn Macpeak and Seas, December 16, 1986: US04629819 (108 worldwide citation)

F.sub.1 hybrid corn plants DK 524, seeds produced by cultivation of the hybrid, and plant cells which upon growth and differentiation produce the novel hybrid.

Ronald A Durgin: Container lid with drink-through opening. Handi Kup Company, Leydig Voit & Mayer, December 16, 1986: US04629088 (104 worldwide citation)

A beverage container lid includes a foldable flap which may be opened to allow a user to drink from a beverage container which is covered by said lid. A recess in the beverage container lid is provided to receive the opened flap and to firmly secure the flap in its open position. The recess includes ...

Tommy N Tyler, John W Harvey: Method and apparatus for controlling and monitoring movement of material-transporting carriages. Translogic Corporation, Sheridan Ross & McIntosh, December 16, 1986: US04630216 (103 worldwide citation)

A computer-controlled conveying system is provided for use in transporting materials between different locations. The system includes a plurality of carriages for receiving and holding the materials and a track along which the carriages move in transporting the materials. Each of the carriages has a ...

Walter F Gruber: Shower. Hansa Metallwerke, Fred Philpitt, December 16, 1986: US04629124 (101 worldwide citation)

A hand shower, for optional hard-jet and soft-jet operation in which the water paths provided for the hard-jet and soft-jet operations extend behind a change-over device completely separately from each other. In the water path associated with the soft-jet operation there is arranged a central device ...

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