Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4002023 | Stationary power-generating plant A stationary power-generating plant of the type which includes a turboset comprising an axial-flow combustion gas turbine, an axial flow combustion air compressor and a driven machine such as an electrical generator which are all coupled together and moun... | 01/11/1977 |
| 3996477 | Thermal prime mover A power plant, e.g. for an automotive vehicle, comprises a rotary heat exchanger and an engine mounted coaxially therewith on a stationary support, the engine having two relatively rotatable members (e.g. a turbine rotor and a turbine stator) driven in op... | 12/07/1976 |
| 3979655 | Control system for controlling a dynamic compressor A control system is disclosed for a cascade control of a dynamic compressor having a variable speed of rotation to maintain a constant pressure to a process. The method consists of a successive junction of control loops for controlling the speed of rotati... | 09/07/1976 |
| 3961199 | Supercharger system for combustion engine A supercharging system for a vehicle having an internal combustion engine comprises a shaft carrying a gas turbine rotor at one axial end and a centrifugal air compressor rotor at the other axial end. A pair of bearings mounting the shaft for rotation in ... | 06/01/1976 |
| 3956637 | Intercept valve controlling method and system for use in a heat power plant An intermediate intercept valve controlling method and system for use in a heat power plant wherein the occurrence of a fault in a transmission system is detected by an abrupt decrease in generator output, and the intercept valve is closed to a certain op... | 05/11/1976 |
| 3943374 | Electrical power generating plant Electrical power generating plant of the pumped storage or air storage type comprising a unidirectional turbine, a unidirectional motor/generator and a unidirectional pump or compressor, with a synchronous toothed clutch between the motor/generator and th... | 03/09/1976 |
| 3939356 | Hydro-air storage electrical generation system A hydro-air storage system for generating electricity in which a subterranean reservoir containing water is pressurized and the water is pumped to a surface reservoir during periods when the demand for electricity is low and in which water from the surfac... | 02/17/1976 |
| 3939357 | Power plant A carrying structure has a wall which defines a duct. A central structure comprising an axial-flow turbine and a generator is disposed in said duct. At least two radial arms, which are substantially horizontal, are rigidly fixed to said wall and hinged to... | 02/17/1976 |
| 3936681 | Cooling arrangement for electric generators of underwater power plants A cooling arrangement is provided for an electric generator of an underwater power plant contained in a body wherein a coolant is circulated for cooling the generator. The cooling arrangement includes a cowl that covers the end-face of the generator and f... | 02/03/1976 |
| 3935469 | Power generating plant An electrical generating plant comprising a generator which is driven, during on-load periods, by a gas turbine; the gas turbine operates continuously and is powered by a continuous supply of fuel gas from a suitable fuel source and compressed air from an... | 01/27/1976 |
| 3935488 | Method of operating a fluid-cooled hydropower generator The method includes maintaining the coolant circulation in a fluid-cooled hydropower generator also when the hydropower generator is shut down, and interrupting only the coolant circulation of the heat exchangers when the generator is in the shutdown cond... | 01/27/1976 |
