Patents Represented by Law Firm Prangley, Dithmar, Vogel, Sandler & Stotland
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Patent number: 3995238Abstract: A receiver module including a mode launcher, a band pass filter, a local oscillator and a balanced mixer for use in the frequency range 1 GHz to 1,000 GHz, wherein the components are all connected by an insular waveguide transmission line having a conductive image plane, a dielectric waveguide attached to the image plane by a thin film of plastic, the thin film being low loss in character and having a low permittivity compared with that of the dielectric waveguide, the ratio between the thickness of the thin film and the square root of the cross-sectional area of the dielectric waveguide being in the range from about 0.02 to about 1.0.Type: GrantFiled: June 30, 1975Date of Patent: November 30, 1976Assignee: Epsilon Lambda Electronics CorporationInventors: Robert M. Knox, Peter P. Toulios
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Patent number: 3993908Abstract: The present invention relates to a method of and apparatus for the radionuclide imaging of the whole body of a patient using an unmodified scintillation camera which permits a patient to be continuously moved under or over the stationary camera face along one axis at a time, parallel passes being made to increase the dimension of the other axis. The system includes a unique electrical circuit which makes it possible to digitally generate new matrix coordinates by summing the coordinates of a first fixed reference frame and the coordinates of a second moving reference frame.Type: GrantFiled: June 3, 1974Date of Patent: November 23, 1976Inventors: Ervin Kaplan, Michael B. D. Cooke
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Patent number: 3993343Abstract: A vehicle has a bed of open frame construction, divided into a plurality of bays by means of dividers. Article carriers are constructed to be positioned in the bays by means of a loader-unloader such as a lift truck. Each article carrier may be provided with at least one locking mechanism which automatically unlocks when engaged by a loader-unloader, and automatically locks into the bed of a truck when released by the loader-unloader after being positioned in a chosen bay. The article carriers may be pallets respectively having upper plates which are coplanar and define the entire floor of the bed. The open frame construction of the bed may consist of beams at two different levels, and the pallets may have spaced-apart surfaces resting on the beams respectively at the first and second levels.Type: GrantFiled: September 12, 1975Date of Patent: November 23, 1976Inventor: Richard C. Bennett
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Patent number: 3993345Abstract: A loudspeaker enclosure for an automobile trunk-mounted open loudspeaker carried beneath the rear package shelf of the automobile comprises a closed housing having an opening in the top wall thereof shaped and dimensioned to permit the housing to be fitted over the loudspeaker, with the housing top wall disposed snugly against the underside of the rear package shelf, and an elastic strap for releasably holding the housing in place over the loudspeaker. The housing includes two inner box-like members each comprising a plurality of hingedly interconnected panels formed from a single piece of corrugated fiberboard, and an outer plastic shell, the inner corrugated members and the outer shell all being fastened together in a nested configuration, so that each wall of the housing except the top wall has at least two layers of corrugations. A cushion is provided between the rear package shelf and the top wall of the housing.Type: GrantFiled: October 29, 1975Date of Patent: November 23, 1976Assignee: Acoustic Fiber Sound Systems, Inc.Inventor: Robert E. Croup
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Patent number: 3993344Abstract: A vehicle has a bed divided into a plurality of bays by means of dividers. Article carriers are constructed to be positioned in the bays by means of a loader-unloader such as a lift truck. The side walls of each article carrier converge downwardly so as to engage the tops of adjacent dividers and guide the article carriers into a chosen bay. The bed may be provided with a longitudinally extending tube which is engaged by the inner end of an article carrier to facilitate its being dropped into position. Each article carrier may be provided with at least one locking mechanism which automatically unlocks when engaged by a loader-unloader, and automatically locks into the bed of a truck when released by the loader-unloader after being positioned in a chosen bay.Type: GrantFiled: March 4, 1975Date of Patent: November 23, 1976Inventor: Richard C. Bennett
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Patent number: 3989310Abstract: A proportioning device is provided for use with a sealable chamber for unloading pulverulent material from a bulk transport system which includes a fluid inlet conduit having one terminal end in communication with the chamber for transmitting fluid into the chamber for fluidizing the pulverulent material therein, a fluid outlet conduit having one terminal end in communication with the chamber for transmitting fluidized solids therefrom. The proportioning device is in communication with the other terminal end of the fluid inlet conduit and with the fluid outlet conduit and is adapted to be connected to a source of fluid for supplying the fluid to the fluid inlet conduit and the fluid outlet conduit, the fluid proportioning device being responsive to the fluid pressures in the fluid conduits for proportioning the fluid into the fluid inlet conduit and the fluid outlet conduit to maintain a predetermined ratio between the fluid pressures in the fluid inlet conduit and the fluid outlet conduit.Type: GrantFiled: February 10, 1972Date of Patent: November 2, 1976Assignee: General American Transportation CorporationInventor: Edmund R. Aller
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Patent number: 3989059Abstract: A railway train includes a plurality of interconnected tank cars, each car comprising a tank provided with two lading conduits in the top thereof extending thereinto for communication with the interior thereof and each having an outer end extending above the tank, and toward the adjacent end thereof, the lading conduits of adjacent cars being interconnected by flexible connecting conduits. A crane is pivotally mounted on the top of one of the lading conduits on each car for maintaining the associated flexible connecting conduit at an elevation higher than that of the associated conduit coupling means to cause drainage of all the lading from the flexible conduit into the associated tanks.Type: GrantFiled: April 28, 1975Date of Patent: November 2, 1976Assignee: General American Transportation CorporationInventors: Albert E. Price, Erling Mowatt-Larssen
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Patent number: 3987911Abstract: A stacking-unstacking machine for bread pans and the like includes an elevator having pan support means thereon for carrying stacked pans to or away from a stacking-unstacking station, guide means being provided properly to align the pans for the stacking or unstacking operations, and particularly the latter. The pan support means on the elevator include a fixed base and a support platform mounted for low-friction horizontal movement with respect to the base in response to aligning forces exerted on the top of the stack by the guide means. Bias means are provided to urge the movable platform toward a home position.Type: GrantFiled: September 11, 1975Date of Patent: October 26, 1976Assignee: Velten & Pulver, Inc.Inventors: Maynard R. Euverard, Henry A. Heide
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Patent number: 3986953Abstract: A process for treating waste rolling oil in the form of an oil and water emulsion. The oil and water emulsion is used during the cold rolling of steel to reduce the thickness thereof and is treated by breaking the emulsion with waste pickling acid solution and thereafter converting iron ions present in the waste pickling acid solution to magnetite particles which absorb the oil. The magnetite particles and the oil absorbed thereby are separated from the solution leaving a clarified solution.Type: GrantFiled: January 8, 1976Date of Patent: October 19, 1976Assignee: Interlake, Inc.Inventor: Victor D. Beaucaire
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Patent number: 3986613Abstract: An article support and display assembly includes an elongated angle iron adapted to be mounted in a merchandise display case or the like with the apex of the angle disposed downwardly and the flanges of the angle iron diverging upwardly. The rear flange of the angle iron has a narrow oblong aperture therethrough while the front flange has a narrow oblong slot in the upper edge thereof, the aperture and the slot preferably being arranged with the longitudinal axes thereof lying in a common plane disposed substantially normal to the longitudinal axis of the angle iron. A cylindrical hanger rod has a flattened end portion dimensioned to be received through the aperture and a flattened midportion dimensioned to be received in the slot, with the remainder of the hanger rod being dimensioned to prevent movement thereof through the aperture or the slot, thereby to support the rod while preventing rotational or axial movement thereof with respect to the angle iron.Type: GrantFiled: October 31, 1975Date of Patent: October 19, 1976Inventor: Cyrus A. Mayer
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Patent number: 3986318Abstract: A structural member for use in forming frames by having connected thereto an associated member carrying a mounting stud having a shank with an enlarged head thereon, the structural member including a plurality of clover-leaf shaped holes in alignment therealong for receiving the mounting stud, each of the holes including four cusps arranged therearound with the edges of adjacent cusps joined by concave surfaces, at least one of the concave surfaces extending downwardly with the associated cusps disposed generally horizontally when the structural member is in its operative position, the cusps each having a generally vertically oriented straight side with opposed ones of said straight sides being joined by one of the concave surfaces at the bottom ends thereof, the straight sides converging toward the associated concave surface and being spaced apart at the points of the cusps a first distance slightly less than the diameter of the shank of the associated stud with the points of the cusps being spaced from theType: GrantFiled: September 30, 1974Date of Patent: October 19, 1976Assignee: Interlake, Inc.Inventor: Kennedy McConnell
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Patent number: 3984226Abstract: A fertilizer concentrate and process for making same in which a sulfuric acid solution contacts an ammonia containing gas to produce a liquid non-crystalline ammonium sulfate. The reaction takes place in an absorber wherein the reactants are maintained at about 120.degree.F., the outlet stream from the reactor being split into two streams, one of which is recycled to the absorber and the other of which is recycled to a circulation tank for sulfuric acid make-up. The weight percent of ammonium sulfate in the final solution is in the range of about 35% to about 42% by weight.Type: GrantFiled: February 24, 1975Date of Patent: October 5, 1976Assignee: Interlake, Inc.Inventors: Donald R. Garthus, Melvin T. Wygant
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Patent number: 3980212Abstract: An unloading system for granular lading comprising a hopper having four cells each with a discharge opening in the lower portion thereof, a discharge tube below the hopper and communicating with each of the openings, two part-tubular sliders within the discharge tube in general longitudinal arrangement with each adjacent to two of the openings, each of the sliders being independently shiftable longitudinally within the discharge tube between a storage position and one of two discharge positions, and a handle for each of said sliders extending to one end of the hopper for controlling the slider from the one end of the hopper; there also is disclosed an end cap for the discharge tube securable thereto and holding the handles in the storage positions thereof, a slide rod being provided on the hopper to hold the end cap when it is disengaged from the discharge tube.Type: GrantFiled: November 20, 1974Date of Patent: September 14, 1976Assignee: General American Transportation CorporationInventors: Edmund R. Aller, Richard W. Arndt
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Patent number: 3973353Abstract: A plant growth accelerating apparatus for increasing plant yields by effectively removing the growing plants from the constraints of gravity and increasing the plant yield per unit of space when the light intensity incident on the apparatus varies, and including a plant bed mounted for turning about the longitudinal axis thereof and a drive structure for periodically tilting the longitudinal axis of the plant bed while relatively low light intensities are incident thereon to impart thereto a slope from about 0.01 to about 0.25 to decrease the respiration rate of plants growing on the plant bed; there also is disclosed a structure applying the tilting structure to a multiple plant bed machine, as well as gravitational watering structure for multiple plant beds while turning the same, and improved plant bed structures and novel forms and compositions of rooting media and methods of making the same.Type: GrantFiled: May 29, 1974Date of Patent: August 10, 1976Assignee: Gravi-Mechanics Co.Inventor: Richard R. Dedolph
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Patent number: 3971491Abstract: An intermodal tank container for use interchangeably in railroad, highway, marine and terminal modes, including a tank for containing lading and having means for loading lading thereinto and means for unloading lading therefrom, two spaced-apart end frames mounted respectively on the opposite ends of the tank, each end frame including a rigid framework surrounding an area greater than that of the adjacent end of the tank, and a tank support ring surrounding and rigidly secured to the adjacent end of the tank and rigidly secured to the framework for transmitting forces therebetween, the tank comprising the only connection between the end frames and having all parts thereof contained within an envelope defined by the peripheries of the end frames.Type: GrantFiled: October 14, 1975Date of Patent: July 27, 1976Assignee: General American Transportation CorporationInventors: Erling Mowatt-Larssen, Thomas S. Lapikas
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Patent number: 3970181Abstract: Conversion mechanism is disclosed for converting a coin-operated dispensing apparatus including an actuating means and a coin-receiving wheel coupled thereto for movement thereof in response to receipt of a single coin, to a mode of operation only in response to receipt of two coins. The conversion mechanism includes a drive plate coupled to the coin-receiving wheel for rotation therewith and carrying a pivotable drive pawl normally biased toward driving engagement with a modified actuating member, and a cam member for moving the pawl out of driving engagement with the actuating member upon rotation of the coin-receiving wheel in response to a first coin, the pawl moving back into driving engagement with the actuating member upon rotation of the coin-receiving wheel in response to insertion of a second coin.Type: GrantFiled: August 11, 1975Date of Patent: July 20, 1976Assignee: National Sanitary Laboratories, Inc.Inventor: Alfred M. Rubio
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Patent number: 3970929Abstract: Test apparatus is disclosed for testing a gas-fired forced air heating system having a plurality of control elements. A monitoring device includes an indicator light adjacent to the thermostat for indicating a malfunction in the heating system, the monitoring device including condition-responsive switches for energizing the indicator in response to the absence of a stream of heated air when called for by the thermostat or in response to a malfunction in the thermostat. An analyzer comprises a plurality of indicator lights connectable through a selector switch to the power source and the heating system, the switch having an OFF condition for disconnecting the indicator lights, a TEST condition for checking the condition of the indicator lights and an ON condition for connecting the indicator lights respectively in parallel with corresponding heating system control elements to test the conditions thereof. Two embodiments of the analyzer are disclosed for use with different types of heating systems.Type: GrantFiled: August 22, 1974Date of Patent: July 20, 1976Inventors: Eugene W. Borucki, Peter P. Zaloga
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Patent number: 3968014Abstract: A system for preventing effluents containing coal dust from being emitted from a coke oven upon charging the coke oven with coal. A U-tube mounted on a larry car interconnects the charging oven with a coking oven and an air valve mixes air with the effluents being transferred from the charging oven to the coking oven. A venturi tube is in communication with the coking oven on the side thereof away from the U-tube and has a steam jet therein to provide sufficient draft across the coking oven to draw the effluents. The restriction in the venturi tube accelerates the effluents through the venturi tube to accommodate all of the effluents produced during the charging of the coke oven.Type: GrantFiled: March 29, 1974Date of Patent: July 6, 1976Assignee: Interlake, Inc.Inventor: Frank K. Armour
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Patent number: 3965538Abstract: An integral one-piece cable tie including an elongated flexible strap having a row of teeth thereon, a frame integral with one end of the strap and having an abutment wall and an end wall and an entry surface and an exit surface and a strap-receiving opening therethrough, a ledge extending from the end wall, and a pawl pivotally mounted on and integral with the ledge within the opening and having a set of teeth shaped complementary to the row of teeth and defining with the end wall a strap-receiving throat inclined to the longitudinal axis of the strap as molded, the abutment wall having a plurality of strap-gripping projections thereon extending toward the pawl.Type: GrantFiled: May 5, 1969Date of Patent: June 29, 1976Assignee: Panduit CorporationInventors: Jack E. Caveney, Roy A. Moody
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Patent number: 3966563Abstract: A coke guide spray system on a coke guide disposed on a track between a row of coke side doors and a coke quenching car, the coke guide including an outer frame mounted on wheels for movement along a coke guide track and mounting on the outer frame a track carrying a coke guide chute provided with wheels engaging the track for movement toward and away from an associated coke side door, a water inlet pipe mounted on the outer frame and connected to a source of water under pressure, a first water spray mounted on the outer frame above the coke guide chute adjacent to the end thereof disposed toward the associated coke quenching car, and a second water spray mounted on the outer frame above the coke guide chute and disposed outwardly with respect to the end thereof disposed toward the associated coke quenching car; another system is provided with a hood housing, an induced draft fan and a condensing spray system, while yet another system is provided with a hood having a mist eliminator tower housing a spray condType: GrantFiled: September 27, 1973Date of Patent: June 29, 1976Assignee: Interlake, Inc.Inventors: Frank K. Armour, Robert P. Winters