51
Cushman M Cambre: Laundry detergent compositions having enhanced particulate soil removal and antiredeposition performance. The Procter & Gamble Company, Robert B Aylor, Thomas H O Flaherty, Richard C Witte, October 14, 1980: US04228044 (55 worldwide citation)

Laundry detergent compositions containing specific mixtures of selected nonionic surfactants, selected cationic surfactants and fatty amide surfactants are disclosed. These compositions are unusually effective in removing soils, especially particulate soils, from fabrics, and preventing their redepo ...


52
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 ...


53
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 ...


54
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 ...


55
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 (53 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 ...


56
Frank A Hoeschler: Water treatment apparatus with means for automatic disinfection thereof. Herbert E Haynes Jr, October 14, 1980: US04228000 (52 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
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 ...


58
Gerald J Kish: Pneumatically operated gate for hopper bottoms for bulk handling equipment. Wilson Fraser Barker & Clemens, October 14, 1980: US04227732 (50 worldwide citation)

A hopper gate mechanism for opening and closing the bottom opening of a hopper containing vehicle. The mechanism typically includes two doors hinged along the longitudinal axis of the associated vehicle and fluid pressure actuated motor means for selectively actuating latching members normally emplo ...


59
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 ...


60
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 ...



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