SNECMA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 937 3
 
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 446 4
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS 224 3
 
 
F02K JET-PROPULSION PLANTS 219 3
 
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS 133 13
 
 
B64C AEROPLANES; HELICOPTERS 100 19
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 94 39
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 90 6
 
 
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 84 25
 
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 82 9
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,398 TURBINE RING ASSEMBLY MADE FROM CERAMIC MATRIX COMPOSITE MATERIAL Mar 15, 16 Mar 15, 18 [F01D]
2018/0066,536 COMPRESSOR STAGE Mar 25, 16 Mar 08, 18 [F02C, F01D]
2018/0030,928 CAPACITIVE SYSTEM FOR CORRECTING THE POGO EFFECT WITH SEMI-CENTERED DISCHARGE TUBE CAPABLE OF BEING POSITIONED IN A BEND Jan 29, 16 Feb 01, 18 [F16L, B64G, F02K]
2018/0023,405 CORROSION PROTECTION PLUG FOR FILLING AN ATTACHMENT OPENING, AND SYSTEM INCLUDING SAID PLUG Feb 02, 16 Jan 25, 18 [F16B, F01D]
2018/0010,613 FAN BLADE Feb 04, 16 Jan 11, 18 [F04D, F02K]
2018/0001,383 METHOD FOR PRODUCING A TURBOMACHINE PART BY MEANS OF A LASER PROCESS Dec 18, 15 Jan 04, 18 [B22F]
2017/0372,437 METHOD OF DETERMINING PROBABILISTIC OPERABILITY REQUIREMENTS FOR A SYSTEM AND ITS COMPONENT SUBSYSTEMS Jan 08, 16 Dec 28, 17 [G06Q, F02K]
2017/0335,709 ROTOR VANE WITH ACTIVE CLEARANCE CONTROL, ROTARY ASSEMBLY AND OPERATING METHOD THEREOF Oct 22, 15 Nov 23, 17 [F01D]
2017/0335,769 COOLING DEVICE FOR A TURBOMACHINE SUPPLIED BY A DISCHARGE CIRCUIT Nov 24, 15 Nov 23, 17 [F02C]
2017/0328,225 METHOD FOR FRICTION-WELDING A BLADE TO A TURBOMACHINE VANE, INCLUDING A SURFACING PROCESS Nov 04, 15 Nov 16, 17 [B23P, B23K, F01D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919457 Method for producing preforms Aug 14, 13 Mar 20, 18 [B29K, B29L, B29C, B29B]
9919805 Metallisation of an electrically insulating housing of an aeronautic engine Oct 30, 14 Mar 20, 18 [H01R, F02C, B64D, F01D]
9920431 Process for preparing a substrate for thermal spraying of a metal coating Jul 03, 14 Mar 20, 18 [C23C, B05D]
9920626 Balanced rotor disc, and balancing method May 18, 15 Mar 20, 18 [F04D, F16F, F01D]
9920631 Method for disassembling a reinforcement from a part Mar 21, 13 Mar 20, 18 [B23P, F04D, F01D]
9920632 Moving turbine blade Jul 19, 13 Mar 20, 18 [F01D]
9920638 Turbine or compressor stage including an interface part made of ceramic material Jul 01, 14 Mar 20, 18 [F04D, F01D]
9920654 Intermediate casing extension of improved design Dec 16, 13 Mar 20, 18 [F02C, B64D, F02K, F01D]
9920690 Air supply device for aircraft engine turbines Sep 03, 13 Mar 20, 18 [F02C, F01D]
9920769 Casing made of organic matrix composite material that facilitates the discharge of smoke Dec 17, 14 Mar 20, 18 [F04D, B64D, F02C, F01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0073,857 MULTILAYER WOVEN FIBROUS STRUCTURE INCLUDING A HOLLOW TUBULAR PART, PRODUCTION METHOD THEREOF AND COMPOSITE PART COMPRISING SAME Abandoned Nov 25, 16 Mar 16, 17 [D03D, B32B]
2016/0196,036 METHODOLOGY AND A SYSTEM TO CREATE 3D SPECIFICATIONS FOR THE ASSEMBLY OF PARTS OF A COMPLEX SYSTEM Abandoned Jan 06, 15 Jul 07, 16 [G06T, G06F]
2015/0315,931 DEVICE FOR CONNECTING A FIXED PORTION OF A TURBINE ENGINE AND A DISTRIBUTOR FOOT OF A TURBINE ENGINE TURBINE Abandoned Oct 01, 14 Nov 05, 15 [F01D]
2015/0308,280 ASSEMBLY FORMING A SEAL FOR A TURBOMACHINE INCLUDING A BRUSH SEAL AND AT LEAST ONE LIP Abandoned Sep 02, 14 Oct 29, 15 [F16J, F01D]
2015/0292,439 INJECTOR ELEMENT Abandoned Nov 20, 13 Oct 15, 15 [F02K]
2015/0258,597 METHOD FOR REDUCING THE DIAMETER OF AN OPENING Abandoned Mar 20, 15 Sep 17, 15 [B21D, B23P]
2015/0226,074 TURBOMACHINE GUIDE VANES WITH IMPROVED VANE PROFILE Abandoned Jun 28, 13 Aug 13, 15 [F01D]
2015/0219,014 DEVICE FOR THE TRANSFER OF HEAT BETWEEN A LUBRICATION PIPE AND A TURBOMACHINE BLADE PITCH ACTUATOR CONTROL HYDRAULIC PIPE Abandoned Jul 18, 13 Aug 06, 15 [F02C]
2015/0184,531 GASKET DEVICE FOR THE BEARING OF A TURBOMACHINE, COMPRISING TWO ELASTIC SEALS Abandoned Jul 04, 13 Jul 02, 15 [F01D]
2015/0176,415 BLADE COMPRISING A SUPPORT, PROVIDED WITH A PORTION WITH A DEPRESSION Abandoned Dec 22, 14 Jun 25, 15 [F01D]
2015/0167,977 ANNULAR WALL FOR TURBOMACHINE COMBUSTION CHAMBER COMPRISING COOLING ORIFICES CONDUCIVE TO COUNTER-ROTATION Abandoned Dec 09, 14 Jun 18, 15 [F02C, F23R]
2015/0142,559 CUSTOMERS COMPARISON AND TARGETING METHOD Abandoned Nov 20, 13 May 21, 15 [G06Q]
2015/0125,289 TURBOMACHINE DISTRIBUTOR AND PRODUCTION METHOD Abandoned May 06, 13 May 07, 15 [F01D]
2015/0097,023 PROCESS FOR JOINING TWO METAL PARTS BY BRAZE-WELDING Abandoned Feb 27, 13 Apr 09, 15 [B23K]
2015/0079,297 METHOD OF COATING A FIBER WITH PRE-COATING Abandoned Apr 05, 13 Mar 19, 15 [C04B, C23C]
2015/0044,382 METHOD OF IMPREGNATING CERAMIC CORES FOR THE MANUFACTURE OF TURBOMACHINE BLADES Abandoned Mar 12, 13 Feb 12, 15 [C04B, F01D]
2015/0028,129 BICONICAL EXHAUST CONE FOR A CIVIL AVIATION JET ENGINE Abandoned Jul 24, 14 Jan 29, 15 [F02K]
2015/0027,653 SHELL MOULD FOR MANUFACTURING AIRCRAFT TURBOMACHINE BLADED ELEMENTS USING THE LOST-WAX MOULDING TECHNIQUE AND COMPRISING SCREENS THAT FORM HEAT ACCUMULATORS Abandoned Jan 22, 13 Jan 29, 15 [B22C, B22D]
2015/0021,455 TURBINE ENGINE SUPPORT PART OF HYBRID STRUCTURE Abandoned Feb 05, 13 Jan 22, 15 [F02C]
2014/0374,566 ATTACHMENT PYLON FOR AN UNDUCTED FAN Abandoned Dec 12, 12 Dec 25, 14 [B64D]

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