Snecma Propulsion Solide
72Patents
40Active
72Granted
50Portfolio score
Filing activity: Dec 5, 2000 → Jun 12, 2012 · 35 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7560139B2 | Thermostructural composite structure with a compositional gradient, its manufacturing process | Emerging Cross-Sectional Technologies | 91 | Active |
| US8141371B1 | Gas turbine combustion chamber made of CMC material and subdivided into sectors | Mechanical Engineering; Lighting; Heating | 49 | Active |
| US7677026B2 | Mixer for separate-flow nozzle | Emerging Cross-Sectional Technologies | 40 | Active |
| US7384663B2 | Method of making a three-dimensional fiber structure of refractory fibers | Emerging Cross-Sectional Technologies | 39 | Expired |
| US8257029B2 | Turbine ring assembly for gas turbine | Emerging Cross-Sectional Technologies | 32 | Active |
| US9126873B2 | Process for producing a self-healing layer on a part made of a C/C composite | Emerging Cross-Sectional Technologies | 32 | Active |
| US8496431B2 | Turbine ring assembly for gas turbine | Emerging Cross-Sectional Technologies | 25 | Active |
| US6988369B2 | Combustion chamber sealing ring, and a combustion chamber including such a ring | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6561799B2 | Sealing box for a chamber for continuously treating a thin strip product, in particular for a furnace for continuously carbonizing a fiber substrate | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US8146372B2 | Gas turbine combustion chamber having inner and outer walls subdivided into sectors | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US6740408B2 | Protecting composite material parts against oxidation | Emerging Cross-Sectional Technologies | 17 | Expired |
| US8590316B2 | CMC mixer with structural outer cowling | Emerging Cross-Sectional Technologies | 14 | Active |
| US7182980B2 | Chemical vapor infiltration method for densifying porous substrates having a central passage | Chemistry; Metallurgy | 14 | Expired |
| US7691440B2 | Method and installation for the densification of substrates by means of chemical vapor infiltration | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7727448B2 | Densification of fibrous structures by resin transfer moulding for making thick parts of composite material | Performing Operations; Transporting | 13 | Expired |
| US8424312B2 | Exhaust system for gas turbine | Emerging Cross-Sectional Technologies | 13 | Active |
| US8685868B2 | Reinforcing fibrous structure for a composite material and a part containing said structure | Emerging Cross-Sectional Technologies | 12 | Active |
| US7736554B2 | Method of manufacturing a part out of impervious thermostructural composite material | Chemistry; Metallurgy | 12 | Expired |
| US6886790B2 | Stand-off for fixing thermal protection panels | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6836939B2 | Method and device for producing a textile web by spreading tows | Textiles; Paper | 11 | Expired |
| US8491963B2 | Method of densifying thin porous substrates by chemical vapor infiltration, and a loading device for such substrates | Chemistry; Metallurgy | 11 | Active |
| US9022733B2 | Turbine distributor element made of CMC, method for making same, distributor and gas turbine including same | Emerging Cross-Sectional Technologies | 11 | Active |
| US7200912B2 | Making composite material parts from blanks made by reinforcing a fiber structure and/or bonding fiber structures together | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8163088B2 | Method of densifying thin porous substrates by chemical vapor infiltration, and a loading device for such substrates | Chemistry; Metallurgy | 10 | Active |
| US8505588B2 | Production of a fibrous structure with variable thickness by 3D weaving | Textiles; Paper | 10 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.