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 |
| 6027607 | Salt extraction process and device A process for extracting salt from brine contained in at least one open evaporation basin. At least part of the brine is heated in a heating unit located outside the evaporation basis and returned to the evaporation basin. The heating unit is driven by wa... | 02/22/2000 |
| 5874525 | Devolatilizer tray array The residual level of monomer in a polymer may be reduced by passing a melt of the polymer through a devolatilizer column which contains an array of two or more trays having voids comprising from 15 to 50% of the surface of the tray which are offset so th... | 02/23/1999 |
| 5731210 | Environmental evaporation chamber and method of using same An environmental evaporation chamber for preparing analytical samples is constructed of a plurality of separable, preferably glass, components especially designed for ease of use and low-cost manufacture. The chamber comprises an open-ended cylindrical bo... | 03/24/1998 |
| 5496112 | Miniature pan evaporimeter for gauging the difference between evapotranspiration and effective rainfall An evaporimeter has first and second stacked containers for holding water and a scale for measuring the amount of water in the containers. The containers are covered by a screen and are balanced on and supported by a ground spike. An outlet is located at ... | 03/05/1996 |
| 5102504 | Device for solvent recovery in an ultrasonic cleaning device A device for solvent recovery in an ultrasonic cleaning machine is based on utilization of the negative pressure originating from the liquification of the solvent vapor itself in a heat exchanger and the negative pressure from an ejector. Thus, the solven... | 04/07/1992 |
| 4973387 | Apparatus and method for reducing solvent losses A volatile solvent conservation modular unit and method for effecting solvent conservation is provided. The cooling coil modular unit is arranged to be disposed in the freeboard zone of a cleaning or degreasing apparatus that uses a volatile solvent. The ... | 11/27/1990 |
| 4828717 | Device and method for reducing volume of aqueous waste effluents The device for reducing the volume of an aqueous waste effluent includes a holding tank, a heating tank for receiving waste effluent from the holding tank and including a heater for heating the waste effluent to a predetermined temperature which is below ... | 05/09/1989 |
| 4796602 | Maple syrup vaporizer apparatus with hollow shell recirculation arch A hollow shell recirculation arch underlies and supports at least one maple sap vaporizing pan. The arch is formed of inner and outer sheet metal shells. The inner shell is upwardly open and is sized smaller than the outer shell so as to form a space ther... | 01/10/1989 |
| 4724044 | Apparatus for pollution control of industrial waste systems Method and apparatus for disposing of waste rinse water used in photographic processes in which the waste rinse water is heated in a dissolution tank to be reduced to a slurry which is accumulated and stored in drums for later processing. The apparatus is... | 02/09/1988 |
| 4255067 | Disposal of liquid waste and recovery of metals therefrom Industrial liquid wastes containing low concentrations of heavy metals are applied to a soil bed where evaporation of the liquid occurs. The soil bed is lined with a liquid-impermeable liner of polymeric sheet material, bentonite clay or a laminate of the... | 03/10/1981 |
