Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 4303826 | Shielded skin-effect current heated pipeline A pipeline to be laid over a very long distance e.g. 100 km, and heated by skin-effect-current, and used underground or on the seabed by employing an electric source frequency lower than commercial ones, is provided. The pipeline consists of a fluid-trans... | 12/01/1981 |
| 4281238 | Tubular jacket heater A tubular jacket heater having a C-wise radial cross section with an aperture extending in a parallel direction to the axis is proposed which is used to envelop and preheat a tubular lamp used, for example, in a electrophotographic copying machine. The he... | 07/28/1981 |
| 4280045 | Skin effect heat generating unit having convective and conductive transfer of heat An electrical heat generating system of the skin effect current type having a two part elongate hollow element of ferromagnetic material enclosing an insulated energizing conductor. One part of the hollow element comprises an open face channel having two ... | 07/21/1981 |
| 4248177 | Animal waterer with recirculating water system A recirculating animal waterer is disclosed. In one embodiment, the waterer includes a supply conduit which extends from a remote water source underground at a level below the frost line to a first junction located inside a waterer stand. A first nipple e... | 02/03/1981 |
| 4218607 | Water circulating device for an animal watering apparatus An animal watering apparatus has an exterior housing with a water pipe disposed therein leading from a below ground source of water under pressure to an above ground outlet valve mechanism which can be actuated by an animal to release water directly into ... | 08/19/1980 |
| 4214147 | Electric heating system for controlling temperature of pipes to prevent freezing and condensation A tubular enclosure for a pipe which provides air-blanket insulation around the pipe, and an electric heater cable in the enclosure running along the underside of horizontal lengths of the pipe, cooperate in a system to prevent condensation of moisture on... | 07/22/1980 |
| 4194536 | Composite tubing product Elongate, deformable, composite tubing for use in maintaining or controlling the temperature of a fluid conveyed therethrough comprising one or more tubular fluid conveyance lines or one or more tubular fluid conveyance lines disposed in heat transfer rel... | 03/25/1980 |
| 4192988 | Electrically heated thermal microbial drain barrier A microbe drain barrier for insertion in the drain of a sink or the like to prevent microorganisms from reentering the sink from the drain. The barrier includes a length of thin-walled heat-resistant, electrically non-conductive tubing having a heat condu... | 03/11/1980 |
| 4176662 | Apparatus for endoscopic examination An endoscope is disclosed having a propulsion mechanism and at least one transmitter at the distal end transmitting bursts of energy waves (radio frequency or ultrasonic) for tracking the position of the distal end through the use of two or more transduce... | 12/04/1979 |
| 4161647 | Electrically heated spigot for connecting an electromagnetic supplying pump to the inlet of a low pressure casting mould A spigot for connecting the inlet of a low pressure casting mould to a pipeline connected to an electromagnetic pump for supplying the mould with liquid metal, the spigot being adapted to be clamped against the mould inlet, comprises a supply conduit surr... | 07/17/1979 |
| 4156127 | Electric heating tube A heating tube adapted to electrically heat a fluid carried therethrough includes an inner tubular layer of polytetrafluoroethylene, a second tubular layer surrounding the inner layer and being formed of a homogeneous mixture of polytetrafluoroethylene an... | 05/22/1979 |
| 4152577 | Method of improving heat transfer for electric pipe heaters A method for improving the heat transfer between an elongated electric resistance heating element and a pipe on which the heating element is mounted without use of heat transfer cement comprises utilizing a close fitting elongated rigid channel member to ... | 05/01/1979 |
| 4142093 | Method and means for segmentally reducing heat output in a heat-tracing pipe An improvement in a heat-generating pipe made up of a ferromagnetic pipe having an insulated conductor extending through it to a given point so that both the pipe and conductor may be connected in series with a power source of alternating current. The inv... | 02/27/1979 |
| 4134002 | Down spouts provided with heating elements Down spouts have at least one section that is a length of an extruded conduit having lengthwise portions extending from end-to-end thereof with a backing, substantially coextensive in length connected thereto and with a heating element between the backing... | 01/09/1979 |
| 4133095 | Treating, including induction heating of well pipe connections Treatment of a steel well pipe connection involves use of an electrical coil and a cylindrical sleeve carrying the coil, and includes the steps: (a) relatively applying the sleeve to a position about the pipe connection so that the coil extends about the conne... | 01/09/1979 |
| 4132884 | Method and means for segmentally reducing heat output in a heat-tracing pipe An improvement in a heat-generating pipe made up of a ferromagnetic pipe having an insulated conductor extending through it to a given point so that both the pipe and conductor may be connected in series with a power source of alternating current. The inv... | 01/02/1979 |
| 4110602 | Method and apparatus for freeing a railroad tank car bottom unloading valve made inoperable by solidified fluids within it A portable apparatus for inserting into a bottom unloading valve of a railroad tank car which has been locked in an opened or partially opened position due to liquids solidifying therein. The apparatus is a portable electrical heating unit removably inser... | 08/29/1978 |
| 4110597 | Heating device A heating device for installation on the roof of a structure to permit water to flow off the structure from behind a blockage of ice. An elongate, hollow tubular member defines a chamber in which is situated a point heat source. A jacket of insulative mat... | 08/29/1978 |
| 4110603 | Plastic pipe heater A U-shaped heating element is attached to a bracket having an elongated back portion and ear portions joined normal to each end of the back portion. The ear portions extend to the same side of the back portion, and each ear portion has a plurality of perf... | 08/29/1978 |
| 4110599 | Method and means for decreasing the heat output of a segment of a heat generating pipe The heat output over a segment of a heat generating pipe of the type comprising an elongated ferromagnetic pipe having an insulated conductor extending therethrough up to a given point with both the pipe and the conductor connected in series with a source... | 08/29/1978 |
| 4069409 | Electrically heated fluid coupling apparatus An electrically heated fluid coupling apparatus having an electrical resistance heating element positioned inside a hollow heating conduit which runs along the side of the fluid conduit, which conduit is connected at its lower end to the fluid source. Pos... | 01/17/1978 |
| 4038519 | Electrically heated flexible tube having temperature measuring probe A flexible heating tube especially for medical use, e.g. for taking blood away from and returning it to the body, in which a flexible pipe of transparent plastics material is provided with at least one electrical helical resistance heating conductor and a... | 07/26/1977 |
| 4002881 | System for controlling electrical power in an internal wire impedance heating system An apparatus for heating fluids includes a pipe through which the fluid to be heated flows having a ferromagnetic pipe attached in heat-transmitting relationship thereto. An insulated wire extends longitudinally through the ferromagnetic pipe and is elect... | 01/11/1977 |
| 3985994 | Drain pipe sterilization The connecting pipe portion between the outlet pipe and the drain pipe of a wash basin is surrounded by an electric heater for heating the interior of the connecting pipe portion to a temperature of about 80° to 100°C to prevent microbes from rising fro... | 10/12/1976 |
| 3983360 | Means for sectionally increasing the heat output in a heat-generating pipe A heat-generating pipe is made up of a ferromagnetic pipe having an electrically insulated wire extending through the pipe to a given point so that the pipe and first wire may be electrically connected in series with an alternating current supply to gener... | 09/28/1976 |
| 3975617 | Pipe heating by AC in steel When an insulated conductor wire is adjacent to and coextensive with the outside of a steel pipe transporting a fluid and it carries alternating current as one leg of a circuit, with the pipe itself carrying the AC for the return leg, induction and magnet... | 08/17/1976 |
| 3971416 | Preinsulated pipe assembly and pipeline A preinsulated pipe assembly and pipeline formed from a plurality of such assemblies. Each pipe assembly includes a pipe with a heater housing mounted thereon to form a cavity along the exterior of the pipe and a preformed insulation layer for insulating ... | 07/27/1976 |
| 3949189 | Pipe heat transfer assembly A pipe heat transfer assembly adapted to be easily and rapidly installed with unskilled in the field on a pipe to be heated or cooled includes an elongated rigid channel cover member and a separate elongated, preshaped, solid, flexible strip of thermoplas... | 04/06/1976 |
| 3932727 | Electrically heated riser pipe for a fluid supply system A prefabricated water supply system for supplying water from an underground source to mobile homes or stock tank waterers and the like includes a riser pipe encased within an outer pipe spaced from the riser pipe. A third hollow pipe is located adjacent t... | 01/13/1976 |
