51
Sidney Sheldon, James L Butler Jr: Disposable diaper with wetness indicator. Keith D Beecher, November 10, 1987: US04705513 (71 worldwide citation)

A disposable diaper which is capable of providing a readily visible indication when wet which includes a strip of moisture absorbing paper of a selected water insoluble color, or carrying a water insoluble printed pattern on its inner side, the strip being inserted between the absorbent pad of the d ...


52
William E Little, Thomas R McLendon: Method for in situ heating of hydrocarbonaceous formations. The United States of America represented by the United States Department of Energy, L E Carnahan, Harold M Dixon, Judson R Hightower, November 10, 1987: US04705108 (71 worldwide citation)

A method for extracting valuable constituents from underground hydrocarbonaceous deposits such as heavy crude tar sands and oil shale is disclosed. Initially, a stratum containing a rich deposit is hydraulically fractured to form a horizontally extending fracture plane. A conducting liquid and propp ...


53
Bruce D Wigness, Michael H Anderson: Bi-directional, anti-reflux vascular access system. Regents of the University of Minnesota, Burd Bartz & Gutenkauf, November 10, 1987: US04705501 (71 worldwide citation)

An implantable access system for infusion of liquids into a body or aspiration of liquid samples from the body. The system includes a septum/manifold (16) and catheter (10) connected thereto, both of specific design. The septum/manifold includes a pair of manifold chambers (24, 25) each closed with ...


54
Daniel M Thurman: Computerized airspace control system. Richards Harris Medlock & Andrews, November 10, 1987: US04706198 (70 worldwide citation)

A computerized system is provided for automated aircraft traffic control. The system includes a master control unit having stored information identifying and characterizing all aircraft flying in the controlled airspace. A plurality of regional control units are linked for communication with the mas ...


55
Louis E Gates Jr, Albert Kamensky, Don C Devendorf: Microelectronic package. Hughes Aircraft Company, L A Alkov, A W Karambelas, November 10, 1987: US04705917 (69 worldwide citation)

A microelectronic package for the protection, housing, cooling and interconnection of a microelectronic chip. The package is made of a plurality of ceramic layers, each of which carries a particular electrically conductive pattern and which have interior openings therein so as to provide recesses in ...


56
Jan Newel Lewis: Indicator device. Alternate Resources, Cesari and McKenna, November 10, 1987: US04705182 (66 worldwide citation)

An indicator device for a table dispenser has a first cylindrical rotatable member defining an aperture, a second cylindrical rotatable member arranged concentrically with respect to the first member, a third cylindrical member relatively fixed with respect to and concentric with the first and secon ...


57
Yukio Masho, Shigeru Kakimi, Toru Ueki, Satoshi Miyauchi, Tugio Ohigashi, Hitoshi Kurohata: Coin selection apparatus. Matsushita Electric Industrial, Spencer & Frank, November 10, 1987: US04705154 (66 worldwide citation)

A coin selection apparatus comprises a plurality of detection coils and an oscillation circuit which detects changes of impedances of the detection coils caused when a coin pass through the detection coils, as a change of a voltage output. The plurality of detection coils include at least two sets o ...


58
Luigi Goglio: Sealed flexible container with non-destructive peelable opening. Fres Co System USA, Caesar Rivise Bernstein Cohen & Pokotilow, November 10, 1987: US04705174 (65 worldwide citation)

Containers formed of a flexible sheet of material capable of being sealed for closing off the interior of the container from the ambient atmosphere. The sheet material is resistant to tearing. The container comprises a mouth portion including a peel strip or layer fixedly secured to the inner surfac ...


59
Alexander Lidow, Thomas Herman: High power MOSFET with low on-resistance and high breakdown voltage. International Rectifier Corporation, Ostrolink Faber Gerb & Soffen, November 10, 1987: US04705759 (65 worldwide citation)

A high power MOSFET is disclosed in which two laterally spaced sources each supply current through respective channels in one surface of a semiconductor chip which are controlled by the same gate. The channels lead from the source electrodes to a relatively low resistivity region and from there to a ...


60
Sekiji Imaike, Takeki Hata, Norio Yamazaki: Method and apparatus for producing microfine frozen particles. Taiyo Sanso, Griffin Branigan & Butler, November 10, 1987: US04704873 (64 worldwide citation)

A method of producing microfine frozen particles from water, liquid drugs, juices, etc. comprises the steps of atomizing a mixture of a liquid with a gas and directing the mixture toward a body of a refrigerant liquid whose surface is stirred by application of kinetic energy to form ripples. The ref ...