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Attorney: Finnegan, Henderson, Farabow & Garrett


Number of patents: 612
Last date: June 15, 1982

1                      
NumberTitleIssue Date
4334837Diaphragm air pump assembly
A diaphragm air pump assembly pneumatically associated with a vacuum source and an atmospheric air source, comprises two diaphragms interconnected by a vertically extending rod to define two vacuum operational chambers and two pump chambers, two valves fo...
06/15/1982
4334824Flexible fan device
A flexible fan device includes a power driven boss and a plurality of fan blades, each secured on the boss at an attached angle. The fan blade has a root portion secured to the boss and a tip portion offset with respect to the root portion in the downstre...
06/15/1982
4244880Anthracycline synthesis
A process for synthesizing the 7-substituted or unsubstituted 5,12-dihydroxy-1,2,3,4,6,11-hexahydro-2,6,11-trioxonaphthacene precursors for doxorubicin and related compounds from butadiene and p-benzoquinone and intermediates useful in the synthesis....
01/13/1981
4226109Tool for the stamping of holes or the like in sheet material such as metal plate
The invention concerns a tool for stamping of holes or the like in sheet material, such as metal plate. The tool is mountable on a handheld motor, such as a pneumatic or hydraulic piston and cylinder motor and comprises a stationary part supported against...
10/07/1980
4204277Dynamic read-write random access memory
A dynamic read-write random access memory utilizing metal oxide semiconductor field effect transistors (abbreviated as "MOS FETs") which comprises a plurality of data lines which are charged with electric energy (electric charge) or from which electric en...
05/20/1980
4193783Method of treating a silicon single crystal ingot
A method of treating a silicon single crystal ingot which comprises the steps of purposely producing lattice strains in a silicon single crystal ingot, annealing the ingot at high temperature, and etching off the surface of the annealed ingot, thereby sup...
03/18/1980
4193915Contraceptive, antibody generating, polypeptides
Polypeptides D-Ser-Arg-Tyr-Gly-Pro-Val-Gly-Val-NH2, D-Ser-Arg-Ala-Tyr-Pro-Thr-Pro-Ala-Arg-Ser-Lys-Lys-NH2, D-Ser-Arg-Tyr-Gly-Lys-Pro-Val-Gly-Lys-Lys-Lys-Lys-NH2, D-Ser-Arg-Tyr-Gly-Lys-Pro-Val-Arg-Ser-Lys-Lys-NH2...
03/18/1980
4193000Radiation detector adapted for use with a scanner
A compact single- or multi-channel radiation detector capable of sending forth a large and stable output signal by being operated in a proportional region which comprises a single or a plurality of electrode assemblies each prepared by inserting between a...
03/11/1980
4191821Process for purifying recirculating gases of condensed polymer particles
A process for eliminating low molecular-weight polymers from the recirculating gases of facilities carrying out ethylene polymerization or copolymerization at a pressure of 300 to 2500 bars and a temperature of 130° C. to 350° C., in which facilities th...
03/04/1980
4191816Process for the preparation of olefine polymerization catalysts
A process for the preparation of catalysts for the polymerization of olefines, e.g. ethylene and propylene. This process comprises essentially the two following steps: (1) A compound (A) of an element selected from groups Ia, Ib, IIa, IIb, IIIa, IIIb, VIa...
03/04/1980
4191680Process for the manufacture of concentrated formulations
Process for the manufacture of concentrated formulations which are in the form of free-flowing, low-dust powders or granules and are easily dispersible in aqueous and/or organic media, starting from active ingredients which are sparingly soluble or insolu...
03/04/1980
4191856Analog multiplexer
Disclosed is an analog multiplexer in which a plurality of emitter follower differential amplifiers formed of several pairs of bipolar transistors connected in parallel with each other are connected in common to one terminal of a power source through a cu...
03/04/1980
4189775Method and apparatus for subsection analysis using computed tomography
An apparatus and method for tomographic analysis comprising a detecting system for detecting a number of radiation beams having penetrated a sectional area of a subject and producing projection data signals; a CPU and a memory for applying a filter functi...
02/19/1980
4189390One-component magnetic developer powder for developing electrostatic latent image and method of making same
A one-component magnetic developer powder for developing an electrostatic latent image formed according to an electrophotographic process comprising non-agglomerative essentially spherical members consisting essentially of plastics binder, magnetic partic...
02/19/1980
4189160Sealing cup
A sealing cup to be used for a hydraulic piston-cylinder device the cup having an outer lip with a leading edge adapted to slide along a wall when fitted in the device. The angle ଱ of the leading edge with respect to the cylinder axis is made smalle...
02/19/1980
4188839Throttling control valve and a system for controlling downshift timing of an automatic transmission for vehicles
A throttling control valve having a spool-like valve element which is gradually shifted in accordance with increase of a control fluid pressure so as to provide four different passage connections therethrough so as to be able to provide four different flo...
02/19/1980
4189738Semiconductor integrated circuit device
There is provided a semiconductor integrated circuit device having a Class B push-pull circuit including a first transistor of which the base is connected with a signal source and the collector to a positive power source, and a second transistor of which ...
02/19/1980
4187857Ultrasonic wave diagnostic apparatus to concurrently display an echo signal and a reference signal
A signal, which is the sum of an ultrasonic wave echo signal and a group of PPM (pulse-position-modulated) pulses representative of a reference signal, is applied to a cathode ray tube (CRT) and is swept along one axis by a first sweeping signal with a fi...
02/12/1980
4188195Treatment of waste liquor
A waste liquor treatment system comprising an evaporator in combination with a gas cooler, the evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its several components of gaseous vapors, purified water and co...
02/12/1980
4187514Junction type field effect transistor
A junction type field effect transistor comprising a semiconductor substrate; semiconductor regions formed in the semiconductor substrate and exposed on a major surface thereof, the semiconductor regions including a gate region and an isolation region; an...
02/05/1980
4187064Rotary machine
A rotary machine including an outer housing, and a cam-shaped rotor mounted within said housing for rotation about an axis coincident with the axis of the housing with two sealing members for the rotor equally supported at diametrically opposed positions ...
02/05/1980
4186567Ornament utilizing rare earth-cobalt magnet
An ornament adapted to be fixed by permanent magnets has an ornament piece to which is fixed a gem or the like, and an attracting piece confronting the ornament piece. The ornament piece and/or the attracting piece is provided with a rare earth-cobalt mag...
02/05/1980
4186557Torque converter with narrowed flow passages
A torque converter is proposed where the height of the vanes on at least the turbine wheel is reduced somewhat compared with conventional designs at their middle portions, so that the generation of eddies and turbulence in the flow of transmission fluid p...
02/05/1980
4186747Ultrasonic diagnosing apparatus
An ultrasonic diagnosing apparatus effects high speed ultrasonic scanning of a subject to be examined and produces and records a plurality of closely spaced, planar B-mode tomographic images. The diagnosing apparatus includes an ultrasonic probe having a ...
02/05/1980
4186412Apparatus for detecting the position of fine object
To detect the position and inclination of an IC pellet with two position marks on its surface, the following steps are taken. First, an image of the IC pellet is focussed on the photosensitive surface of a television camera. Then, the photosensitive surfa...
01/29/1980
4186307Radiation measuring apparatus employing variable rate pulse sampling control
A scintillation type radiation-measuring apparatus comprising a radiation-detecting scintillator, wherein a scintillation given off from the scintillator is converted into current by a photomultiplier tube; a current amplifier generates a plurality of pul...
01/29/1980
4186179Process for producing oxidized or carbon fibers
Disclosed is an improvement in a process for producing oxidized fibers wherein precursor fibers comprised of oxidizable continuous filaments are repeatedly brought into or out of contact with the surface of a heated body, maintained at a temperature of fr...
01/29/1980
4185596Two-stroke cycle gasoline engine
A two-stroke cycle gasoline engine including at least one two-stroke power cylinder-piston assembly incorporating uniflow scavenging and two horizontally opposed pistons, and at least one scavenging pump cylinder-piston assembly of the reciprocating type,...
01/29/1980
4185880Structure for supporting a steering column main shaft
A structure for supporting the main shaft of a steering column with its upper end being journalled in a first bearing structure and its lower end in a second bearing structure, wherein the second bearing structure is adapted to support the shaft in such a...
01/29/1980
4185321Semiconductor memory with pulse controlled column load circuit
A semiconductor memory device comprises a matrix array of a plurality of memory cells wherein a load circuit connected to column lines of the matrix array for charging the column lines is enabled to provide different resistance values between the actions ...
01/22/1980
4184992Cross-linked alkyl methacrylate-N-vinyllactam polymer composition for use in soft contact lenses
Provided is a cross-linked polymer composition which can be in a transparent polymeric gel form having an equilibrium water content of at least 60 wt.% for use in soft contact lenses. The cross-linked polymer composition is prepared by polymerizing, using...
01/22/1980
4184927Process and apparatus for effecting surface treatment of workpieces
Workpieces vertically suspended on carrier bars in side-by-side relation are dipped into an electrolyte bath which has a plurality of electric contact plates of alternating polarity spaced along one side. Electric energy is applied to the workpieces from ...
01/22/1980
4184914Foam coating of paper employing a hydrolyzed protein foaming agent
A method of reducing the number or amount of chemical additives normally incorporated into paper pulp furnish before transferring the latter to the continuous wire mesh of a papermaking machine in the manufacture of paper sheet involves the use of a hydro...
01/22/1980
4184716Control valve assembly for hydraulic brakes
A control valve assembly for vehicle hydraulic brake systems having dual or split hydraulic pressure lines, including a body having two coaxial hydraulic chambers, one chamber being in one pressure line, and the other chamber in the other pressure line. A...
01/22/1980
4184710Carrier shoe for a vehicle's slidable roof
Carrier shoe for a vehicle's slidable roof includes shoe slidable along a rail for opening and closing a roof. The shoe has a rotatable member received therein into which a link member is screwed. The link member is connected by a pivot to the slidable ro...
01/22/1980
4184612Automatic sprayer
Disclosed is a device for emitting an aromatic substance into the surrounding environment which utilizes a pivoted arm carrying a mass as an actuator for an aerosol container containing the aromatic substance and an electronic circuit for maintaining the ...
01/22/1980
4184385Output split-type mechanical and hydraulic transmission
An output split-type mechanical and hydraulic transmission includes input and output shafts, first and second differential gear mechanisms for establishing different input-output speed ratios, at least two clutch mechanisms for selectively cooperating wit...
01/22/1980
4185294Semiconductor device and a method for manufacturing the same
A semiconductor device comprises a semiconductor substrate, an insulating layer formed on one surface of the semiconductor substrate, a wiring layer formed on at least a portion of that area of the semiconductor substrate where no insulating layer is form...
01/22/1980
4183461Fault-diagnosing method for an electronic computer
A fault-diagnosing apparatus and method for an electronic computer designed to diagnose a fault occurring in constituent circuits formed of a plurality of packages according to a signal denoting the status of a sequential circuit in the selected one of th...
01/15/1980
4183372Altitude compensation valve assembly
An altitude compensation valve assembly comprising a housing structure having a bellows and a check valve unit. The check valve unit is supported for movement between a closed position, where communication between a fluid under pressure introduced into an...
01/15/1980
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