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 |
| 5196648 | Method for deslagging a cyclone furnace A method and apparatus for deslagging a cyclone furnace in which a series of flexible hollow tubes are inserted into the combustion chamber and the explosive charges in each hollow tube are detonated sequentially. Each of the hollow tubes is biased outwar... | 03/23/1993 |
| 5129322 | Explosive tubing cutter and method of assembly A tubing cutter apparatus includes a housing or casing member formed of a zirconia ceramic material. The zirconia ceramic material is located at least proximate an explosive charge section, such the detonation of the explosive charge will cause shattering... | 07/14/1992 |
| 5117911 | Shock attenuating apparatus and method An apparatus attenuates a shock, such as an impact load from an explosion, by undergoing plastic deformation and by serially dissipating energy from a plurality of surfaces. In a particular embodiment, the plastic deformation and serial energy dissipation... | 06/02/1992 |
| 5070943 | Apparatus and method for perforating a well A perforating gun and method permit a casing or liner within a well to be perforated even within a section obstructed by sand either before or after perforation. The perforating gun comprises a support for carrying a plurality of explosive charges and one... | 12/10/1991 |
| 5056587 | Method for deslagging a boiler A method for removing accumulated ash from the heat exchangers within a steam generator includes introducing a series of high-energy shocks to the tubing panels of the heat exchangers. Explosive cords are attached to the tubing panels at preselected, spac... | 10/15/1991 |
| 5046563 | Apparatus and method for cutting an object in a well A cutting tool to cut a tubular element in a well is constructed of pellets of less sensitive explosive material detonated by a pellet of a more sensitive explosive material. All the explosive material is packaged in individual packages which qualify for ... | 09/10/1991 |
| 4932239 | Standard target for explosive charge testing A method of testing an explosive charge using a uniform shaped charge testing standard that is simulative of naturally occuring Berea sandstone test specimens. A quantity of zircon sand is mixed with from 3% to 8% by weight of the total mixture of a pheno... | 06/12/1990 |
