Alsthom-Atlantique
119Patents
0Active
119Granted
41Portfolio score
Filing activity: Apr 11, 1977 → Jul 1, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4570706A | Device for handling rods for oil-well drilling | Fixed Constructions | 102 | Expired |
| US4576512A | Rotary sluice gate | Fixed Constructions | 52 | Expired |
| US4578608A | Coupling for electric motors | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4585369A | Mechanical connection means | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4173661A | Method for depositing thin layers of materials by decomposing a gas to yield a plasma | Electricity | 37 | Expired |
| US4758756A | Vernier-type electrodynamic machine | Electricity | 31 | Expired |
| US4469973A | Resiliently suspended stator for a dynamo-electrical synchronous machine | Electricity | 30 | Expired |
| US4512596A | Anti-unscrewing devices | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4249828A | Apparatus for maintaining solids in a suspension and a method of using it | Performing Operations; Transporting | 29 | Expired |
| US4134817A | Method of attacking a thin film by decomposition of a gas in a plasma | Electricity | 24 | Expired |
| US4556523A | Microbubble injector | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4497664A | Erosion of a solid surface with a cavitating liquid jet | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4482813A | Regulator system for a diesel electric locomotive | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4581199A | Earthquake resistant hall for a nuclear boiler and its confinement chamber | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4477235A | Submerged motor-pump unit | Electricity | 22 | Expired |
| US4496259A | Connector for connecting two rotors together | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4470755A | Guide blade set for diverging jet streams in a steam turbine | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4531982A | Superconductor manufacturing process | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4489249A | Electric machine rotor having a laminated and segmented rim | Electricity | 20 | Expired |
| US4075971A | Motor housing for a retractable propulsion unit for boats | Performing Operations; Transporting | 19 | Expired |
| US4582279A | Modulation system for railway track circuits | Performing Operations; Transporting | 19 | Expired |
| US4500226A | Coupling device, an electric motor fitted with said device and a method of coupling two electric motors together | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4399501A | Set of power semiconductors equipped with firing transformers and with protection circuits | Electricity | 18 | Expired |
| US4150693A | Adjustable loss-of-head valve | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4301008A | Skimmer for removing the surface layer from a stretch of liquid | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.