Gec Alsthom Electromecanique S.A.
23Patents
0Active
23Granted
33Portfolio score
Filing activity: Apr 16, 1993 → Nov 12, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5387890A | Superconductive coil assembly particularly for a current limiter, and a current limiter including such a coil assembly | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5509286A | Method and apparatus for surface treating and prestressing the inside wall of a cavity | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5383985A | Method of installing an insert serving as a protective cladding on a part made of martensitic steel or of titanium-based alloy | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5567116A | Arrangement for clipping stress peaks in a turbine blade root | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5413641A | Laser nitriding an element made of titanium alloy by blowing nitrogen and inert gas | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5780932A | Electricity generating unit having a combined cycle and including a gas turbine and a steam turbine having a plurality of modules | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5340530A | Method of forming an insert on a part to be clad that is made of steel or of titanium alloy | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5436606A | Feed connection for a superconductive coil | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5524441A | Lead-in module for the supply of a low critical temperature superconducting electric load | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5545932A | Superconducting switch and application to a charger for a superconducting coil | Electricity | 7 | Expired |
| US5831506A | Stationary induction coil for a solenoidal induction launcher, and a solenoidal induction launcher provided with such a coil | Electricity | 7 | Expired |
| US5447025A | Combined gas turbine and steam turbine power plant | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5440888A | Apparatus for transferring liquid helium between two devices at different potentials | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5350276A | High pressure modules of drum rotor turbines with admission of steam having very high characteristics | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5495714A | Condenser envelope made of concrete for a structurally independent low pressure module | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5522454A | Condenser made of concrete for an axial exhaust steam turbine, with simplified mounting of heat exchange bundles | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6324746A | Method of manufacturing a stable multifilament superconductor with reduced losses | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5449562A | Coating for portions of a part of martensitic steel that rub in rotation | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5407497A | Method of heat treatment for two welded-together parts of different steel alloy grades | Chemistry; Metallurgy | 2 | Expired |
| US5795412A | Method of manufacturing and repairing a blade made of .alpha.-.beta. titanium | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5873158A | Method of manufacturing a multifilament superconductor with resistive barrier integrated into the outer ring | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5397954A | Elastic support device for stator winding end turns | Electricity | 2 | Expired |
| US5545271A | Method of fabricating a titanium alloy part, a titanium alloy part fabricated in this way, and a semi-finished titanium alloy product | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.