Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7473385 | Method for manufacturing windmill blades A method for making a windmill blade is provided, whereby problems with glue joints and with exposure of the workers to environmentally hazardous substances are avoided. This is effected by making the windmill blade in a closed mold with a mold core (3) insid... | 01/06/2009 |
| 7419356 | Method for regulating a windmill, and an apparatus for the use of said method The invention relates to a method and a device for regulating the airflow around a blade of a windmill. The device comprise a spoiler, which is provided with a cavity. The spoiler is mounted to a surface of the blade in connection with an another flow regulating uni... | 09/02/2008 |
| 7059833 | Method for improvement of the efficiency of a wind turbine rotor A method for the improvement of wind turbine rotor efficiency blades of a wind turbine rotor with serrated trailing edges each having a plurality of span-wise, periodic indentations, in the form of saw teeth having approximately 60 degrees included angles between ad... | 06/13/2006 |
| 6781276 | Generator for a windmill, stator module for use in such a generator and use of such a generator The invention concerns a generator for a windmill. The generator is of the kind being directly coupled to the main shaft of the wind rotor of the windmill. The generator is a stator consisting of a number of stator modules that are individual and which may be instal... | 08/24/2004 |
| 6737757 | Wind power plant and method for operating it The invention concerns a method for operating a windmill with variable rpm and a directly network connected primary generator. By this method there disposed a regenerative slip generator between the gear of the windmill and the primary generator, whereby the power c... | 05/18/2004 |
