MTU MOTOREN- UND TURBINEN-UNION MUNCHEN GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS842
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 794
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 551
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 390
 
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 362
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
 
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
 
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6709711 Method for producing an adhesive layer for a heat insulating layerApr 19, 00Mar 23, 04[B05D]
6622932 Fuel injector for an internal combustion engineOct 16, 01Sep 23, 03[F02D]
6542843 Method for producing matched fluid contact surfacesApr 28, 00Apr 01, 03[G06F]
6364805 Planetary gearJul 17, 00Apr 02, 02[F16H]
6352263 Brush seals with bristles arranged at an angleDec 03, 99Mar 05, 02[F16J]
6302400 Brush-hair seal with a front plate and a bearing plateFeb 17, 00Oct 16, 01[F16J]
6293553 Brush sealFeb 14, 00Sep 25, 01[F16J]
6203851 Gas phase coating process and apparatus for gas-phase coating of workpiecesJan 28, 99Mar 20, 01[C23C]
6199744 Friction welding process and shielding gas shower for carrying out the processOct 06, 98Mar 13, 01[B23K]
6182521 Device for positioning a measuring probeSep 20, 99Feb 06, 01[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6543998 Nozzle ring for an aircraft engine gas turbineExpiredAug 25, 00Apr 08, 03[F01D]
6539807 Differential pressure transducersExpiredNov 22, 99Apr 01, 03[G01L]
6503053 Blade with optimized vibration behaviorExpiredNov 30, 00Jan 07, 03[F01D]
6431830 Nozzle ring for a gas turbineExpiredAug 21, 00Aug 13, 02[F01D]
6427932 Fuel injection nozzle for an internal combustion engineExpiredFeb 12, 00Aug 06, 02[B05B]
6272843 Fuel metering system for gas turbineExpiredJun 21, 00Aug 14, 01[F02C]
6252446 Method and electrical circuit for regulating dead time given varying pulse repetition ratesExpiredNov 19, 99Jun 26, 01[H03K]
6244492 Cover for a component surfaceExpiredApr 13, 00Jun 12, 01[B23K]
6202420 Tangentially aligned pre-mixing combustion chamber for a gas turbineExpiredDec 15, 98Mar 20, 01[F23R]
6180170 Device and method for preparing and/or coating the surfaces of hollow construction elementsExpiredAug 21, 98Jan 30, 01[C23C]
6170345 Device for positioning a measuring sensorExpiredAug 21, 98Jan 09, 01[G01M]
6171351 Strip coatings for metal components of drive units and their process of manufactureExpiredSep 25, 97Jan 09, 01[B24B]
6085593 Vibration damping element test apparatusExpiredAug 26, 98Jul 11, 00[G01H]
5968299 Foil coating on a local region of a component and its method of production and installationExpiredDec 03, 97Oct 19, 99[B32B]
5951254 Blade for fluid flow engine having a metallic coating layer, and method of manufacturing and repairing the sameExpiredJul 09, 97Sep 14, 99[F04D]
5927721 Axially directed brush seal for rotor-stator arrangementsExpiredNov 03, 97Jul 27, 99[F01D]
5876183 Blade for rotors and method for producing rotors with such bladesExpiredMar 19, 98Mar 02, 99[F01D]
5797182 Method for producing rotors with bladesExpiredNov 07, 96Aug 25, 98[B23P]
5797684 Vibration damping apparatus having an oil space with an outflow chokeExpiredSep 09, 97Aug 25, 98[F16C]
5765376 Gas turbine engine flame tube cooling system and integral swirler arrangementExpiredDec 12, 95Jun 16, 98[F23R]

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