51
Roland E Shaddock: Mobile vacuum loader. Peabody Myers Corporation, Hill Van Santen Steadman Chiara & Simpson, October 14, 1980: US04227893 (54 worldwide citation)

An industrial loader vehicle, handling both wet and dry materials, has a single engine driving the vehicle to a pick-up site, powering all of the components to load the vehicle at the site, driving the vehicle to an unloading site and dumping the materials as desired at the unloading site. A powerfu ...


52
Joerg Angerstein: Method for producing a single transistor storage cell. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, October 14, 1980: US04227297 (54 worldwide citation)

For the production of V-MOS single transistor storage cells at the surface of a silicon crystal of first conductivity type, two adjoining zones of opposite conductivity type can first be produced by masked diffusion or implantation. Then, with the use of a correspondingly oriented etching mask, a fu ...


53
Takanobu Kashihara, Fukuyasu Okuda, Masanaga Yamaguchi, Akira Nishimura: Fumigating method and apparatus. Earth Chemical Company, Armstrong Nikaido Marmelstein & Kubovcik, October 14, 1980: US04228124 (53 worldwide citation)

A mixture of an active ingredient such as insecticide, fungicide, repellent or the like and a blowing agent is heated with a hot air current produced by a suitable heat source and a fan to thermally decompose the blowing agent and cause the hot air current and the gas resulting from the thermal deco ...


54
Giuseppe Annovi: Sport footwear of injected plastics material. Dolomite S p A, D Paul Weaver, October 14, 1980: US04227322 (52 worldwide citation)

Sporting footwear, such as a mountain boot or hockey boot or training boot, formed of injected plastics, has integral lacing projections formed on overlapping front closure flaps forming parts of the boot upper. The integral projections provide for easy zigzag lacing of the boot with security and ec ...


55
John C Waite, David J Baber: Multiplexed directory for dedicated cache memory system. Sperry Corporation, Kenneth T Grace, William E Cleaver, Marshall M Truex, October 14, 1980: US04228503 (52 worldwide citation)

Apparatus for avoiding ambiguous data in a multi-requestor computing system of the type wherein each of the requestors has its own dedicated cache memory. Each requestor has access to its own dedicated cache memory for purposes of ascertaining whether a particular data word is present in its cache m ...


56
Frank A Hoeschler: Water treatment apparatus with means for automatic disinfection thereof. Herbert E Haynes Jr, October 14, 1980: US04228000 (51 worldwide citation)

A water treatment device of the type which automatically regenerates itself at predetermined intervals is provided with a special disinfectant feeder device which dispenses a predetermined amount of disinfectant into the water treating media bed and the device itself to kill the bacteria therein. Th ...


57
Robert J Bricmont, Philip A Hamilton, Raymond M L Ting: Kinetic energy absorbing pad. H H Robertson Company, George E Manias, October 14, 1980: US04227593 (51 worldwide citation)

A pad adapted to sustain an impact load by stepwise absorption of kinetic energy. The pad incorporates a collapsible, i.e., crushable core adapted to undergo stepwise deformation under the force of the impact load. Stepwise deformation of the core provides, during impact load application, a signific ...


58
Tom W Le Nay, Donald L Hadden, George S Beckwith: Central station alarm. Baker Protective Services Incorporated, Lyon & Lyon, October 14, 1980: US04228424 (50 worldwide citation)

A plurality of remotely located transponder units each communicate with a central station unit to provide a full array of alarm and status signals to the central station. The transponder units are capable of remotely addressing the central station unit directly, without the need for human interventi ...


59
Klaus Gueldenpfennig, Charles J Breidenstein: Time division digital communication system. Redcom Laboratories, Martin LuKacher, October 14, 1980: US04228536 (49 worldwide citation)

A time division digital communication system which does not require a common control unit for accomplishing interconnections, having a plurality of modular switching units. The switching units are identical and each unit has its own port circuits to which subscriber lines and/or trunks may be connec ...


60
Motowo Takayanagi, Tisato Kajiyama: Polymer composite material. Motowo Takayanagi, Asahi Kasei Kogyo Kabushiki Kaisha, Sughrue Rothwell Mion Zinn and Macpeak, October 14, 1980: US04228218 (48 worldwide citation)

A polymer composite material which comprises a first rigid polymeric material composed substantially of rigid molecular chains having an average chain length of 50 A or more, and a second polymeric material composed substantially of flexible molecular chains, wherein said first rigid polymeric mater ...



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