Patent assignee · FR · COMPANY

SNECMA Moteurs

276Patents
7Active
276Granted
43Portfolio score

Filing activity: Jan 7, 2000 → Aug 26, 2010 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6796120B2 Electrohydraulic actuator Emerging Cross-Sectional Technologies 56 Expired
US7021585B2 Aircraft engine rear mount with thrust links and boomerang-shaped lever Performing Operations; Transporting 56 Expired
US6705836B2 Gas turbine blade cooling circuits Emerging Cross-Sectional Technologies 52 Expired
US6914344B2 Integrated starter/generator for a turbomachine Emerging Cross-Sectional Technologies 46 Expired
US7299621B2 Three-spool by-pass turbojet with a high by-pass ratio Emerging Cross-Sectional Technologies 45 Expired
US7000404B2 Heat exchanger on a turbine cooling circuit Emerging Cross-Sectional Technologies 45 Expired
US6581902B2 Self-cleaning metering device Mechanical Engineering; Lighting; Heating 41 Expired
US7241112B2 Turbomachine blade, in particular a fan blade, and its method of manufacture Emerging Cross-Sectional Technologies 39 Active
US6575697B1 Device for fixing a turbine ferrule Mechanical Engineering; Lighting; Heating 38 Expired
US7055304B2 De-icing device for turbojet inlet guide wheel vane, vane provided with such a de-icing device, and aircraft engine equipped with such vanes Emerging Cross-Sectional Technologies 37 Expired
US6668559B2 Fastening a CMC combustion chamber in a turbomachine using the dilution holes Emerging Cross-Sectional Technologies 37 Expired
US6830428B2 Abradable coating for gas turbine walls Emerging Cross-Sectional Technologies 37 Expired
US7168913B2 Twin-spool turbojet with means for driving ancillary machines Mechanical Engineering; Lighting; Heating 36 Expired
US7101154B2 Turbomachine blade, in particular a fan blade, and its method of manufacture Emerging Cross-Sectional Technologies 36 Expired
US6672049B2 Emergency device for relighting a windmilling turbojet Emerging Cross-Sectional Technologies 35 Expired
US6845606B2 Variable cycle propulsion system with gas tapping for a supersonic airplane, and a method of operation Emerging Cross-Sectional Technologies 33 Expired
US7309209B2 Device for tuning clearance in a gas turbine, while balancing air flows Mechanical Engineering; Lighting; Heating 33 Active
US6789691B2 Sealable casing having a quarter-turn closing arrangement Emerging Cross-Sectional Technologies 33 Expired
US7011493B2 Turbomachine with cooled ring segments Mechanical Engineering; Lighting; Heating 32 Expired
US6666645B1 Arrangement for adjusting the diameter of a gas turbine stator Mechanical Engineering; Lighting; Heating 30 Expired
US6676373B2 Assembly formed by at least one blade and a blade-fixing platform for a turbomachine, and a method of manufacturing it Emerging Cross-Sectional Technologies 30 Expired
US6490899B2 Method and apparatus for peening tops of cooled blades Emerging Cross-Sectional Technologies 30 Expired
US7037389B2 Thin parts made of β or quasi-β titanium alloys; manufacture by forging Chemistry; Metallurgy 29 Expired
US6333118A Heat barrier composition, a mechanical superalloy article provided with a ceramic coating having such a composition, and a method of making the ceramic coating Emerging Cross-Sectional Technologies 29 Expired
US6622475B2 Bleed system driven in simplified manner for a turbojet or turboprop engine Emerging Cross-Sectional Technologies 29 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.