Assignee
KRAFTWERK UNION AG
DE·461 granted patents·8,074 citations·filing 1971–1987
Top patents by PatentIndex Score
461 records- 0198US4608818AMedium-load power-generating plant with integrated coal gasification plantKRAFTWERK UNION AG·Filed 1984·Granted Sep 2, 1986·307 cites·16 claims
- 0297US4676063AMedium-load power generating station with an integrated coal gasification plantKRAFTWERK UNION AG·Filed 1986·Granted Jun 30, 1987·89 cites·4 claims
- 0397US4047456AMotor-driven screwing and transporting tool for reactor pressure vessel head retaining fasteningsKRAFTWERK UNION AG·Filed 1976·Granted Sep 13, 1977·66 cites·21 claims
- 0496US4701124ACombustion chamber apparatus for combustion installations, especially for combustion chambers of gas turbine installations, and a method of operating the sameKRAFTWERK UNION AG·Filed 1986·Granted Oct 20, 1987·77 cites·14 claims
- 0596US4460920AAutomatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installationsKRAFTWERK UNION AG·Filed 1981·Granted Jul 17, 1984·66 cites·20 claims
- 0695US4642417AConcentric three-conductor cableKRAFTWERK UNION AG·Filed 1985·Granted Feb 10, 1987·201 cites·12 claims
- 0795US4431136ASlit nozzle and fast-acting shutoff valveKRAFTWERK UNION AG·Filed 1981·Granted Feb 14, 1984·87 cites·4 claims
- 0895US4247256AGas turbine disc rotorKRAFTWERK UNION AG·Filed 1977·Granted Jan 27, 1981·62 cites·3 claims
- 0994US4589260APre-mixing burner with integrated diffusion burnerKRAFTWERK UNION AG·Filed 1983·Granted May 20, 1986·104 cites·10 claims
- 1094US4117733ATest system carrier for ultrasonic testing of nozzle seams, pipe connection seams and nozzle corners in pressure vessels, particularly reactor pressure vessels of nuclear power plantsKRAFTWERK UNION AG·Filed 1976·Granted Oct 3, 1978·77 cites·10 claims
- 1193US4749029AHeat sheild assembly, especially for structural parts of gas turbine systemsKRAFTWERK UNION AG·Filed 1986·Granted Jun 7, 1988·84 cites·21 claims
- 1293US4631915AGas turbine and steam power-generating plant with integrated coal gasification plantKRAFTWERK UNION AG·Filed 1985·Granted Dec 30, 1986·82 cites·10 claims
- 1393US4131018AElbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installationKRAFTWERK UNION AG·Filed 1977·Granted Dec 26, 1978·70 cites·18 claims
- 1492US4617170AAssembly for a core of a nuclear reactorKRAFTWERK UNION AG·Filed 1984·Granted Oct 14, 1986·39 cites·8 claims
- 1592US4315172ACooling system for rotors of electric machines, especially for turbo-generator rotors with a superconductive field windingKRAFTWERK UNION AG·Filed 1979·Granted Feb 9, 1982·57 cites·11 claims
- 1692US4250704ACombined gas-steam power plant with a fuel gasification deviceKRAFTWERK UNION AG·Filed 1979·Granted Feb 17, 1981·56 cites·4 claims
- 1791US4500323AProcess for the gasification of raw carboniferous materialsKRAFTWERK UNION AG·Filed 1982·Granted Feb 19, 1985·174 cites·13 claims
- 1891US4226640AMethod for the chemical decontamination of nuclear reactor componentsKRAFTWERK UNION AG·Filed 1978·Granted Oct 7, 1980·55 cites·15 claims
- 1991US3968388AElectric machines, particularly turbogenerators, having liquid cooled rotorsKRAFTWERK UNION AG·Filed 1975·Granted Jul 6, 1976·52 cites·8 claims
- 2090US4655968AMethod and furnace for removing toxic, especially radioactive wastesKRAFTWERK UNION AG·Filed 1984·Granted Apr 7, 1987·36 cites·5 claims
- 2190US4640121AMethod for finding a leak in pressure-carrying vessels and apparatus for carrying out the methodKRAFTWERK UNION AG·Filed 1984·Granted Feb 3, 1987·53 cites·18 claims
- 2290US4246783ASpring-force measuring deviceKRAFTWERK UNION AG·Filed 1978·Granted Jan 27, 1981·50 cites·3 claims
- 2389US4697415ACombined gas and steam-turbine power generating stationKRAFTWERK UNION AG·Filed 1986·Granted Oct 6, 1987·65 cites·12 claims
- 2489US4662902AEvaporation cooling towerKRAFTWERK UNION AG·Filed 1985·Granted May 5, 1987·77 cites·11 claims
- 2589US4541841AMethod for converting carbon-containing raw material into a combustible product gasKRAFTWERK UNION AG·Filed 1983·Granted Sep 17, 1985·113 cites·9 claims
- 2689US4104119AEmergency feed system for cooling nuclear reactor installationsKRAFTWERK UNION AG·Filed 1977·Granted Aug 1, 1978·28 cites·4 claims
- 2788US4532793AMethod for deep-drawing sheet metal and an apparatus for carrying out the methodKRAFTWERK UNION AG·Filed 1983·Granted Aug 6, 1985·39 cites·2 claims
- 2888US4506860AFlow control valve, especially for use in controlling the operation of steam turbinesKRAFTWERK UNION AG·Filed 1982·Granted Mar 26, 1985·58 cites·9 claims
- 2988US4278501ASpring element for holding down nuclear reactor fuel assemblyKRAFTWERK UNION AG·Filed 1978·Granted Jul 14, 1981·28 cites·4 claims
- 3087US4543110AMethod and plant for reheating flue gases behind a wet flue-gas desulfurization plantKRAFTWERK UNION AG·Filed 1984·Granted Sep 24, 1985·42 cites·4 claims
- 3187US4473921ACleaning device for the internal peripheral surfaces of pipelines or hollow cylindrical vessels, especially for manipulators for the interior of pipesKRAFTWERK UNION AG·Filed 1982·Granted Oct 2, 1984·45 cites·10 claims
- 3287US3942053ADevice for securing a superconductive exciter winding in the rotor of a turbogeneratorKRAFTWERK UNION AG·Filed 1974·Granted Mar 2, 1976·45 cites·13 claims
- 3386US4774051ASintered nuclear fuel compact and method for its productionKRAFTWERK UNION AG·Filed 1987·Granted Sep 27, 1988·28 cites·4 claims
- 3486US4722001ASelf-propelled inspection vehicleKRAFTWERK UNION AG·Filed 1985·Granted Jan 26, 1988·62 cites·20 claims
- 3586US4566267APower generating plant with an integrated coal gasification plantKRAFTWERK UNION AG·Filed 1984·Granted Jan 28, 1986·41 cites·4 claims
- 3686US4228375ADevice for bracing an air-gap windingKRAFTWERK UNION AG·Filed 1978·Granted Oct 14, 1980·43 cites·6 claims
- 3785US4581163AMethod for conditioning weakly to medium-active wastesKRAFTWERK UNION AG·Filed 1983·Granted Apr 8, 1986·33 cites·14 claims
- 3885US4155019ACoupling assembly for mutually coupling a generator rotor having a superconductive exciter winding and a shaft carrying exciter current leadsKRAFTWERK UNION AG·Filed 1975·Granted May 15, 1979·38 cites·5 claims
- 3984US4300916AMethod and apparatus for the gasification of coalKRAFTWERK UNION AG·Filed 1980·Granted Nov 17, 1981·46 cites·6 claims
- 4084US4231419AManipulator for inspection and possible repair of the tubes of heat exchangers, especially of steam generators for nuclear reactorsKRAFTWERK UNION AG·Filed 1978·Granted Nov 4, 1980·43 cites·12 claims
- 4183US4763093AHigh-power pulse transformer for short high-voltage and/or high-current pulsesKRAFTWERK UNION AG·Filed 1986·Granted Aug 9, 1988·35 cites·14 claims
- 4283US4590760AMedium-load power generating station with an integrated coal gasification plantKRAFTWERK UNION AG·Filed 1984·Granted May 27, 1986·16 cites·7 claims
- 4382US4756768AMethod for the chemical decontamination of metallic parts of a nuclear reactorKRAFTWERK UNION AG·Filed 1986·Granted Jul 12, 1988·36 cites·10 claims
- 4482US4438805AManipulator for remote-controlled inspection and, if necessary or desirable, repair of heat exchanger tubesKRAFTWERK UNION AG·Filed 1981·Granted Mar 27, 1984·37 cites·5 claims
- 4582US4079273ACoolant circuit for the rotor of an electric machine having a superconductive excitation windingKRAFTWERK UNION AG·Filed 1976·Granted Mar 14, 1978·35 cites·2 claims
- 4682US4013908ACooling system for a superconductive exciter windingKRAFTWERK UNION AG·Filed 1975·Granted Mar 22, 1977·32 cites·4 claims
- 4780US4607822AShutoff valve with a conical valve seatKRAFTWERK UNION AG·Filed 1984·Granted Aug 26, 1986·39 cites·3 claims
- 4880US4546758ASolar-tower power stationKRAFTWERK UNION AG·Filed 1984·Granted Oct 15, 1985·59 cites·14 claims
- 4980US4340820AApparatus and method for partial-load operation of a combined gas and steam turbine plantKRAFTWERK UNION AG·Filed 1980·Granted Jul 20, 1982·34 cites·9 claims
- 5080US4272260ATornado-type separatorKRAFTWERK UNION AG·Filed 1979·Granted Jun 9, 1981·33 cites·9 claims
Showing the top 50 of 461 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →