ALSTOM Holdings
🏢 View company profile →233Patents
22Active
233Granted
56Portfolio score
Filing activity: Jul 10, 1997 → Jul 10, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7089743B2 | Method for operating a power plant by means of a CO2 process | Emerging Cross-Sectional Technologies | 134 | Expired |
| US6584775B1 | Control of primary measures for reducing the formation of thermal nitrogen oxides in gas turbines | Mechanical Engineering; Lighting; Heating | 83 | Expired |
| US6798677B2 | Modular power converter | Electricity | 79 | Expired |
| US6318087A | Degassing system for power plants | Performing Operations; Transporting | 54 | Expired |
| US6903466B1 | Wind-power generator pod constituted by the body of an electricity generator | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6406256B1 | Device and method for the controlled setting of the gap between the stator arrangement and rotor arrangement of a turbomachine | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6879062B2 | Electrical substation | Electricity | 39 | Expired |
| US6442023B2 | Electronic power device | Electricity | 38 | Expired |
| US6464489B1 | Method and apparatus for controlling thermoacoustic vibrations in a combustion system | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6856053B2 | Cooling of electrical machines | Electricity | 33 | Expired |
| US6570276B1 | Ventilation device and rail traction electric motor equipped with such a device | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6645416B2 | Insulation of stator windings by injection molding | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6766228B2 | System for managing the route of a rail vehicle | Performing Operations; Transporting | 30 | Expired |
| US6557476B2 | System for supplying power to electrically propelled vehicles | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6839207B2 | Protection system for protecting a poly-phase distribution transformer insulated in a liquid dielectric, the system including at least one phase disconnector switch | Electricity | 28 | Expired |
| US6416282B1 | Rotor for a gas turbine | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6439846B1 | Turbine blade wall section cooled by an impact flow | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6654710B1 | Method for designing a flow device | Physics | 25 | Expired |
| US6302483A | Revolving seat, in particular for a rail vehicle | Performing Operations; Transporting | 25 | Expired |
| US6344972B2 | Electronic equipment | Performing Operations; Transporting | 23 | Expired |
| US6560966B1 | Method for operating a power plant having turbine cooling | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6561105B2 | Rail vehicle having a driver's cab provided with an energy-absorbing structure adapted to cope with a collision above the frame of the vehicle | Performing Operations; Transporting | 20 | Expired |
| US6864598B2 | Method of and a system for controlling the supply of electrical power to an electrically propelled vehicle designed to operate in an external power supply mode or in an autonomous power supply mode | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6799077B1 | Communications architecture for process control system | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6625024B2 | Power converter enclosure | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.