1
Robert Douglas Hempstead, Sol Krongelb, Daniel Andrew Nepela, David Allen Thompson, Erich Philipp Valstyn: Antiferromagnetic-ferromagnetic exchange bias films. International Business Machines Corporation, Graham S Jones II, July 25, 1978: US04103315 (210 worldwide citation)

In thin film magnetic transducers, e.g., inductive or magnetoresistive recording heads, at least a pair of layers of a ferromagnetic material and an antiferromagnetic material are deposited upon one another and exchange coupled to retain a unidirectional bias in the plane of the ferromagnetic materi ...


2
Wendell J Morton: Process and apparatus for forming a paper web having improved bulk and absorptive capacity. The Procter & Gamble Company, E Kelly Linman, John V Gorman, Richard C Witte, July 25, 1978: US04102737 (197 worldwide citation)

An improved low-density papermaking process particularly suited for use in conjunction with twin wire formation style papermaking machines is disclosed. In a particularly preferred embodiment, a foraminous drying/imprinting fabric conventionally utilized to thermally predry a moist paper web is exte ...


3
Taichiro Akiyama, Sajiro Ookubo, Setsuko Ueno: Valved device. Taichiro Akiyama, McDougall Hersh & Scott, July 25, 1978: US04102342 (180 worldwide citation)

A fluid such as air is tightly enclosed in a chamber which serves to plug an organic passage such as a person's nasal cavity. The fluid is supplied into the chamber through a tube so as elastically to expand the chamber and thereafter is discharged through a valve device comprising an opening formed ...


4
Thomas W Bobick: Capacitive touch-activated transducer system including a plurality of oscillators. Xerox Corporation, July 25, 1978: US04103252 (178 worldwide citation)

A human touch on an etched copper electrode produces a capacitive change to vary the time constant of an RC network as a part of an oscillator. The variation in the capacitance of the sensor changes the time constant of the RC network which results in a change in frequency of the output signal of th ...


5
David C MacGregor: Cardiovascular prosthetic devices and implants with porous systems. Sim & McBurney, July 25, 1978: US04101984 (157 worldwide citation)

A novel cardiovascular prosthetic device or implant having many useful cardiovascular applications comprises a porous surface and a network of interconnected interstitial pores below the surface in fluid flow communication with the surface pores. Tissue forms a smooth thin adherent coating of self-d ...


6
Elton M Botts: Control unit for oil wells. Energy 76, Clarence A O Brien, Harvey B Jacobson, July 25, 1978: US04102394 (128 worldwide citation)

A control unit for oil wells for maximizing the efficiency of a producing oil well field, including the use of a variable speed AC motor powering each oil well pump jack, which enables the operator to control the strokes per minute on the pump unit and adjust the speed of the upstroke relative to th ...


7
Frederick K Mesek, Virginia L Repke: Disposable article with particulate hydrophilic polymer in an absorbent bed. Johnson & Johnson, July 25, 1978: US04102340 (128 worldwide citation)

An absorbent article such as a diaper or a sanitary napkin is made up of a facing sheet, an absorbent pad means, and a moisture-impervious backing sheet. The absorbent pad means comprises a fibrous structure having an intermediate densified layer and a layer of highly porous, loosely compacted batt ...


8
Denis J McGreivy, Henry T Peterson, Alex M Leupp: Light-insensitive matrix addressed liquid crystal display system. Hughes Aircraft Company, W H MacAllister, Joseph E Szabo, July 25, 1978: US04103297 (128 worldwide citation)

A liquid crystal display addressable by a backplate semiconductor MOSFET switching matrix is made light insensitive by ion implanting the backplate around the MOSFETs to prevent the formation of photon generated inversion layers and by extending the reflective back electrodes over the MOSFETs to pre ...


9
Christopher J Conway, Eugene G Glover: Stimulator apparatus for internal body organ. Mentor Corporation, Frederick E Lange, July 25, 1978: US04102344 (117 worldwide citation)

An implantable unit for stimulating an internal body organ in which there is a power supply portion for having power induced therein from a source external of the body and electrodes adapted to be attached to a muscular organ such as a bladder or the like, said unit having an energy storage device, ...


10
Herbert H Loeffler: Squeeze bottle dispenser with air check valve on cover. Ciba Geigy Corporation, July 25, 1978: US04102476 (115 worldwide citation)

A squeeze bottle type dispenser has a resiliently collapsible container for the liquid to be dispensed. A cover on the container, said cover means has a flexible resilient central portion flexible outwardly of the cover away from the container. A dispensing valve member on the cover has a dispensing ...