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 |
| 7453169 | Integrity testing of isolation means in an uninterruptible power supply An uninterruptible power supply wherein an isolation device is automatically tested during normal operation to ensure that it is capable of effectively isolating the input from an auxiliary power supply during emergency operation. The uninterruptible power supply in... | 11/18/2008 |
| 7370732 | Method and device for automatic checking of the availability of an elevator installation A method for automatic checking of the availability of an elevator installation having at least one elevator ascertains at least one first estimated value for a use frequency of the elevator for a first time period and/or a second estimated value for the use frequen... | 05/13/2008 |
| 7337880 | Elevator car with lowerable roof An elevator car has a lowerable car roof portion serving in the lowered state as a maintenance platform. The lowerable car roof portion is stabilized in the lowered position against movements in a horizontal plane by at least one mechanical device engaging the car r... | 03/04/2008 |
| 7314117 | Method for achieving desired performance of an elevator installation A method for the operation of an elevator installation, wherein the operating parameters for achieving a desired performance are determined by simulation of the operation of the elevator installation, the operating parameter and the desired performance are included ... | 01/01/2008 |
| 7299898 | Progressive safety device A progressive safety device for an elevator includes a brake unit and an actuating unit. The brake unit has a first brake shoe with first spring assemblies and a triangular rotatable support with second and third brake shoes. The actuating unit has an electromagneti... | 11/27/2007 |
