Patents Represented by Law Firm Sigalos & Levine
  • Transverse flow diagnostic kit
    Patent number: 4693834
    Abstract: The present invention relates to an improved diagnostic device for analyte assay which has a cylindrical body portion and a removably attached cap. The cap has a liquid inlet extending into the cylindrical body portion and has a conical shaped portion leading to a liquid discharge aperture formed therein. A pre-filter may be formed either in the liquid inlet or in a pre-filter container which can be used with the device. The pre-filter container has a substantially cylindrical body which conforms to and can be inserted in the liquid inlet forming part of the removable cap. The container has an open upper end and an associated removable closure, a bottom end sealed with a frangible material and, if desired, a pre-filter positioned in the container between the upper and lower ends.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: September 15, 1987
    Assignee: Murex Corporation
    Inventor: Miles G. Hossom
  • Notch filter
    Patent number: 4694266
    Abstract: A notch filter which utilizes a quadrature coupler with the input signal on one of its four terminals, a first tuned surface acoustic wave device coupled to a second on of the terminals for receiving the input signal at 0.degree. phase shift, a second tuned surface acoustic wave device coupled to a third one of the terminals for receiving the input signal with a 90.degree. phase shift and the fourth terminal being utilized as the output signal terminal.
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: September 15, 1987
    Assignee: R. F. Monolithic, Inc.
    Inventor: Peter V. Wright
  • Anhydrous process for the manufacture of polyamide powder from lactam in the presence of N,N'-alkylene bis amide
    Patent number: 4694063
    Abstract: A process for the manufacture of a polyamide powder comprising polymerizing in solution a reaction mixture comprising a monomer lactam or lactams capable of generating said polyamide in the presence of an N,N'-alkylene bisamide.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: September 15, 1987
    Assignee: Atochem
    Inventors: Jean-Claude Hilaire, Roland Guerin
  • Thermoplastic resin composition for biaxial orientation
    Patent number: 4692295
    Abstract: Thermoplastic resin compositions comprising a thermoplastic resin capable of biaxial orientation and an additive resin, having a molecular weight above 10.sup.6, compatible with said thermoplastic resin and selected from a homopolymer of a vinyl monomer or a copolymer of at least two vinyl monomers.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: September 8, 1987
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventor: Bernard Vinatier
  • Descrambler unit method and apparatus for television signal descrambling
    Patent number: 4682223
    Abstract: A method of descrambling received video program signals with transmitted synchronization signals for use in a video receiver comprising the steps of providing first terminals for receiving the scrambled video signal and second terminals coupled to the video receiver and connecting an electronic ticket containing descrambling circuitry to the first terminals for receiving and descrambling the received video signal and coupling the descrambled video signal from the electronic ticket to the second terminals for transfer to the video receiver.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: July 21, 1987
    Assignee: R. F. Monolithics, Inc.
    Inventors: Lawrence H. Ragan, Clinton S. Hartmann, Darrell L. Ash
  • System, method, and apparatus for television signal scrambling and descrambling
    Patent number: 4682224
    Abstract: A system for providing intelligible video program signals and corresponding video synchronization signals to authorized video displays only comprising transmitting means for transmitting scrambled signals of at least one video program; a receiver for receiving said scrambled video program signals for said at least one video program; and a descrambling unit coupled to said receiver and including an electronic ticket removably coupled to the input of said video receiver for intercepting and descrambling the at least one scrambled video program signal from said receiver and recovering the synchronizing signals, and means coupling the recovered synchronization sweep signals and the unscrambled intelligible video program signals to said video display.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: July 21, 1987
    Assignee: R. F. Monolithics, Inc.
    Inventors: Lawrence H. Ragan, Clinton S. Hatmann, Darrell L. Ash
  • Pothole patcher and road surfacing device
    Patent number: 4678363
    Abstract: An improved moveable road repair and surfacing vehicle of the type having a frame, an aggregate material hopper mounted on a frame, a container on the vehicle for binder material such as asphalt, conveyor means associated with the hopper for carrying aggregate material, a discharge chute associated with the conveyor means for receiving aggregate material carried thereon and directing material downwardly, a discharge outlet on the chute for dispensing the aggregate material therefrom for deposit on a roadway surface, and means for spraying binder material on the dispensed aggregate material.
    Type: Grant
    Filed: June 12, 1986
    Date of Patent: July 7, 1987
    Inventor: Carl L. Sterner
  • Process for producing a composite lightened product
    Patent number: 4676942
    Abstract: A homogeneous composite material comprising at least one external layer of thermosetting polymer, a layer of lightened thermoplastic polymer, and intermediate between the two layers, a homogeneous layer formed by polymerizing a monomer which is a diluent for the said lightened polymer; such that the monomer polymerizes to form an intimate blend at the interface of said polymers. The invention also comprises a process for producing the above said composite material.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: June 30, 1987
    Assignee: Atochem
    Inventors: Jean-Paul Ollivier, Bernard Vinatier
  • International commodity trade exchange
    Patent number: 4677552
    Abstract: An International Commodity Trade Exchange having a central exchange post for providing international commodity information and a plurality of local exchanges in at least two countries around the world. A plurality of user computer terminals are coupled to each of the local exchanges and can request and receive data representing marketing information directly from the central exchange host and transmit data representing bids and offers to any other user terminal around the world through the local exchanges and the host exchange. The communication takes place through a satellite communication network thereby allowing traders associated with any particular local exchange to trade in a selected market with any other trader associated with any other local exchange at any member site located in any country around the world.
    Type: Grant
    Filed: October 5, 1984
    Date of Patent: June 30, 1987
    Inventor: H. C. Sibley, Jr.
  • Apparatus for the measurement of the resistance to shock
    Patent number: 4674318
    Abstract: An apparatus for the measurement of the resistance of a test-piece to shock comprising an anvil, a mass positioned for movement along said axis and into contact with said test-piece positioned at said opening, and a movable thermal medium having a male part with a surface which is penetrable into said opening of said anvil sufficiently for conducting heat to or from said test-piece to bring it to a specified temperature and which is retractable from said opening as said mass moves to contact said test-piece.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: June 23, 1987
    Assignee: Atochem
    Inventor: Raymond Bourdon
  • Doubly rotated orientations of cut angles for quartz crystal for novel surface acoustic wave devices
    Patent number: 4670680
    Abstract: A Quartz Crystal for surface acoustic wave device application defined by the Euler angles lambda (.lambda.) equal about 45.degree. and mu (.mu.) equal about 55.degree. with an acoustic wave propagation direction angle theta (.theta.) equal plus about 10.degree. to minus about 30.degree..
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: June 2, 1987
    Assignee: R. F. Monolithics, Inc.
    Inventor: Jeffrey C. Andle
  • Singly rotated orientation of quartz crystals for novel surface acoustic wave devices
    Patent number: 4670681
    Abstract: An ST cut quartz crystal for surface acoustic wave device application defined by the Euler angles lambda (.lambda.) equal about 0.degree., mu (.mu.) equal about 132.75.degree. and with an acoustic wave propagation direction theta (.theta.) equal about plus or minus 25.degree..
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: June 2, 1987
    Assignee: R. F. Monolithics, Inc.
    Inventor: Peter V. Wright
  • Preservative oil for metal surfaces and method
    Patent number: 4668413
    Abstract: The invention comprises a preservative composition for metal surfaces comprising at least one substance known to function to protect metal surfaces against corrosion and a jojoba oil compound in an amount sufficient to form a matrix entrapping and maintaining said protective substance on said metal surfaces, and the method of protecting metal surfaces against corrosion utilizing the composition.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: May 26, 1987
    Assignee: Tenneco, Inc.
    Inventors: Alan A. Johnston, John P. Cuellar, Jr.
  • Electronic ticket method and apparatus for television signal scrambling and descrambling
    Patent number: 4663664
    Abstract: An electronic ticket for descrambling transmitted video program and synchronization signals for use in a video receiver comprising first terminals for receiving the scrambled video signals, a descrambling circuit having its input coupled to the first terminals and producing at least a partially descrambled signal at its output, second terminals for coupling the descrambled signal to the video receiver and enclosing portions of the first and second terminals, and the descrambling circuit in a unitary package whereby the ticket can be used as a plug-in unit.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: May 5, 1987
    Assignee: R. F. Monolithics, Inc.
    Inventors: Lawrence H. Ragan, Clinton S. Hartmann, Darrell L. Ash
  • Transient soil erosion and evaporation palliative composition and method
    Patent number: 4663067
    Abstract: A sprayable composition for forming a transient film for controlling soil erosion and moisture evaporation consisting essentially of an alkali metal silicate, a liquid, an environmentally degradable moisture vapor barrier-forming material selected from elastomers, aliphatic hydrocarbons, animal and vegetable fats, hydrogenated oils and mixtures thereof, and an agent for stabilizing said composition and the method of controlling soil erosion and moisture evaporation utilizing the aforesaid composition.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: May 5, 1987
    Assignee: Earth Protection Systems, Inc.
    Inventors: William A. Mallow, Robert P. Wood
  • Method and apparatus for maximizing utilization of an electric motor under load
    Patent number: 4659976
    Abstract: The present invention relates to an electronic device that is used to calculate the actual torque being produced by an electric motor at any instant in time and comparing this value of torque ratiometrically either with the maximum (peak) torque that the motor could produce under the line voltage available at that instant or with rated motor torque, thus giving an indication of whether the motor is approaching stall or is under utilized or over utilized.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: April 21, 1987
    Assignee: Dresser Industries, Inc.
    Inventor: Fredrick R. Johanson
  • Punch tool grinder and method
    Patent number: 4656786
    Abstract: A device for quickly aligning a punch tool for grinding a surface of it comprising a punch tool holder having a spheroidal outer surface; at least two adjustable jaws in a rotatable chuck which jaws are movable into and out of clamping engagement with the spheroidal outer surface of the tool holder; and an abutment device movably or removably attached to the grinding machine for abutting against a face of a punch tool to align it perpendicular to the axis of chuck rotation when the jaws are in the clamped position so that the punch tool face can be ground by a spinning grinding wheel moved perpendicular to the chuck rotation axis.A method of aligning a punch tool for grinding a surface thereof on a grinding machine.
    Type: Grant
    Filed: April 5, 1985
    Date of Patent: April 14, 1987
    Inventor: Tommy D. Horner
  • Process for the synthesis of 2,2,2-trifluoroethanol
    Patent number: 4658070
    Abstract: The process for synthesizing 2,2,2-trifluoroethanol by liquid phase catalytic hydrogenation of a compound of formula: ##STR1## in which R is a hydrogen atom or a linear or branched alkyl radical containing from 1 to 8 carbon atoms and optionally partially fluorinated, comprising carrying out the hydrogenation in the presence of a nickel catalyst and in the presence of an aliphatic tertiary amine as a cocatalyst.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: April 14, 1987
    Assignee: Atochem
    Inventors: Bernard Cheminal, Henri Mathais
  • Process for purifying aqueous hydrazine hydrate solutions
    Patent number: 4657751
    Abstract: The invention concerns the purification of impure aqueous hydrazine hydrate solutions by treating the hydrazine hydrate solution by means of a solid absorbent material consisting of microporous particles whose mean granulometry is smaller than 5 mm.
    Type: Grant
    Filed: February 7, 1985
    Date of Patent: April 14, 1987
    Assignee: ATOCHEM
    Inventors: Michel Alicot, Jacky Pierre
  • Support post for taut-wire fence
    Patent number: D290404
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: June 16, 1987
    Assignee: Israel Aircraft Industries, Ltd.
    Inventor: Arie Stoler