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| Number | Title | Issue Date |
| 4424478 | Device for exciting master generator of self-contained power units for transportation facilities A device for exciting a master generator of self-contained power units for transportation facilities comprises a master generator with a first excitation winding, an auxiliary exciter generator with a second excitation winding, an exciting current regulat... | 01/03/1984 |
| 4423588 | Apparatus for paying off wire from a bobbin Wire payoff devices are described which are used in conjunction with bobbin supporting cradles typically found in wire stranding and cabling machines such as high speed tubular stranders, bow or skip stranders and planetary stranders. The payoff devices i... | 01/03/1984 |
| 4422174 | Shaft furnace for heat treatment of materials A shaft furnace comprises a body (2) made up of superimposed heated sections (3,4,5,6 and 7) each of which is provided with a tubular member (10,11,12,13 and 14) having its walls arranged at an angle of 3 to 4 deg. to the longitudinal axis of the furnace.... | 12/20/1983 |
| 4420346 | Method of preparing contacts and electrodes of electric vacuum apparatuses A method of preparing contacts and electrodes of electric vacuum apparatuses comprising the steps of exposing the contact (electrode) surface to a concentrated thermal flux of 104 to 106 W/cm2 in a vacuum or in the environ... | 12/13/1983 |
| 4413762 | Game ball holder A game ball holder for holding a ball, such as a tennis ball, on a garment. The holder includes two elongate strips of elastic material arranged side by side with one lateral edge of one strip adjacent to one lateral edge of the other. The adjacent latera... | 11/08/1983 |
| 4413201 | Device for attachment of coil ends in generator stator high-voltage winding A device for attachment of coil ends in a generator stator high-voltage winding includes insulation spacers (13) disposed on external surfaces of the coil end bars (16), auxiliary spacers disposed between coil end bars (16), a case (1), spring stops (15) ... | 11/01/1983 |
| 4409985 | Electronic ergometer for cardiac arrhythmia patients An electronic ergometer for cardiac arrhythmia patients is disclosed, and it is capable of determining and indicating the magnitude of power developed by an individual. In addition, it can indicate the power at which a cardiac arrhythmia occurs. In one em... | 10/18/1983 |
| 4408145 | Linear electric motor A linear electric motor comprises a stator constructed in the form of two equidistant ferromagnetic strips 1 and 2 provided with alternating projections 3 and recesses 4 having a length equal to the pole pitch ͌ of the motor. A movable core 5 is disposed... | 10/04/1983 |
| 4402369 | Pneumatic tool A percussive-action pneumatic tool comprising a handle-carrying frame having successively accommodated therein a shock-absorber and a housing with the percussion mechanism therein, connected through a gas distribution system to a compressed air source. Th... | 09/06/1983 |
| 4400641 | Piezoelectric motor with two part rotor A piezoelectric motor of the invention comprises a stator and a rotor one of which includes at least one first piezoelectric oscillator. The rotor consists of a first and a second parts one of which parts includes a second piezoelectric oscillator. Said p... | 08/23/1983 |
| 4394618 | Digital tracking phase meter A digital tracking phase meter comprising a shaper of narrow pulses corresponding to a leading edge of an input square-shaped signal, connected by the output thereof to one input of a switch, the other input of which is applied to a data output of a phase... | 07/19/1983 |
| 4378687 | Method for rolling H-sections in continuous mill A method for rolling H-sections in a continuous mill comprises bevelling of the leading edge of a billet on the faces which are horizontal during rolling and subsequent rolling thereof in slitting and beam passes. The end of the billet is bevelled at an a... | 04/05/1983 |
| 4311950 | Excitation system for a synchronous machine An excitation system for a synchronous machine comprising an exciter having its output connected through a current relay in parallel with a starting-protecting unit. The starting-protecting unit includes parallel branches, each comprising a series-connect... | 01/19/1982 |
| 4310737 | Pipe resistance butt welding apparatus A pipe resistance butt welding apparatus comprises a movable clamp and a fixed clamp to locate the pipes to be welded. Current-feeding shoes contact the ends of the pipes to be welded together. A device is provided for axially moving the movable clamp in ... | 01/12/1982 |
| 4304428 | Tapered screw joint and device for emergency recovery of boring tool from borehole with the use of said joint A tapered screw joint with the thread profile whose bearing side is inclined at an angle of from about 86° to about 98° to the plane which is perpendicular to the thread axis. Such a tapered screw joint of parts makes it possible to disconnect them rapi... | 12/08/1981 |
| 4301680 | Apparatus and system for measuring power of heat radiation An apparatus for measuring the power of heat radiation, comprising a sensitive element implemented, for example, as an electrically conductive filament adapted to be displaced in a heat radiation flux at a stabilized speed. Connected to the sensitive elem... | 11/24/1981 |
| 4301352 | Device for surface fusion treatment of artificial stone products Disclosed is a device for surface fusion treatment of artificial stone products. The device comprises anode and cathode assemblies of a plasma generator forming an arc discharge along the plane of the surface to be treated, the anode and cathode assemblie... | 11/17/1981 |
| 4300007 | Method for preparing C3 -C4 olefins and vinylaromatic compounds A method for preparing C3 -C4 olefins and vinylaromatic compounds, viz. styrene, vinyltoluenes or vinylxylenes which comprises alkylation of toluene or methyl derivatives thereof with a C2 -C3 olefin into the me... | 11/10/1981 |
| 4299816 | Acaricidal preparation for diagnosis and control of ectoparasites of bees An acaricidal preparation for diagnosis and control of ectoparasites of bees is proposed including 0.006 to 0.167% by weight of an ester of N-methyl-carbamic acid, acetone being the balance, up to 100% by weight. The acaricidal preparation may also include dif... | 11/10/1981 |
| 4295387 | Apparatus for balancing bodies of revolution An apparatus for balancing bodies of revolution, according to the invention, includes distributing units mounted coaxially with a body of revolution in the measurement planes on both sides of the plane passing through the center of mass of the body of rev... | 10/20/1981 |
| 4295867 | Apparatus for separating carbon black from carbon-black aerosol The herein-proposed apparatus for separating carbon black from a carbon-black aerosol stream comprises an apparatus in which a carbon-black aerosol is passed through a granular bed of carbon-black grains in a downflow manner. The carbon-black aerosol is s... | 10/20/1981 |
| 4292928 | Poultry brooding plant A characteristic feature of the invention is that in a plant comprising a plurality of multilevel container cages incorporating the life provision means for the entire period from placing day-old chicks into the cages until the time of completion of their... | 10/06/1981 |
| 4288491 | Laminated plastic material A laminated plastic material comprises surface layers of paper impregnated with amino formaldehyde resin and inner layers of paper containing a flame retardant material and impregnated with phenol formaldehyde resin. The flame retardant material is a prod... | 09/08/1981 |
| D242585 | Combined brush and sponge | 12/07/1976 |
| D242584 | Combined brush and sponge | 12/07/1976 |
