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 |
| 6236034 | Pointing device having segment resistor subtrate A pointing device comprises a substrate having a fixed pivoting hole area defined by a hole through a conductive surface that is coated with electrically conductive material and comprises four segments of patterned resistive materials. Each segment includ... | 05/22/2001 |
| 4713524 | PTC fuel heater for heating alcohol fuel A fuel heater for vaporization of an alcohol fuel from a fuel line to an internal combustion engine for delivering vaporous fuel to a carburetor. The fuel heater includes a stack of generally planar foraminous PTC heaters that are arranged in a container ... | 12/15/1987 |
| 4633069 | Heat-exchanger A body comprising a ceramic electrical resistance material of positive temperature coefficient of resistivity adapted to display a sharp increase in resistivity when heated to a selected temperature has passages extending through the body between opposite... | 12/30/1986 |
| 4019021 | Electric resistance fluid heating apparatus A resistance heating apparatus for rapidly heating a liquid or gas to a desired temperature includes a porous mat of fine electrically-conductive elongated elements selected from the group consisting of metal coated non-metal whiskers and polycrystalline ... | 04/19/1977 |
| 3934117 | Electric fluid heating device An electric heating device for heating fluid media includes a plurality of disc-shaped porous bodies each consisting of a plurality of felted togehter polycrystaline metal whiskers grown out of a gas phase and connected each to one another at their points... | 01/20/1976 |
