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 |
| 7261140 | Partition mount In a spring-loaded curtain mount, the mount includes a pole interface at a proximal end, a compressive mechanism, and a head at a distal end. The pole interface is adapted to receive the end of a standard length adjustable pole or a painter's pole. The compression m... | 08/28/2007 |
| 7073758 | Pole clamp for partition mount A partition mounting system a system mitigates or eliminates sag, or gaps, between an installed curtain and an abutting surface such as a wall or ceiling. The system accomplishes this in a manner that avoids permanent damage to the wall or ceiling surface. A clamp i... | 07/11/2006 |
| 7036798 | Mobile barrier to control litter and wind A mobile barrier for use in wind control, reduction of blowing litter and suspension and transport of airborne contaminants with applications in areas of landfill maintenance, agriculture, erosion control, and snow control is described. The mobile barrier is a large... | 05/02/2006 |
| 6942004 | Partition mount In a spring-loaded curtain mount, the mount includes a pole interface at a proximal end, a compressive mechanism, and a head at a distal end. The pole interface is adapted to receive the end of a standard length adjustable pole or a painter's pole. The compression m... | 09/13/2005 |
| 6056638 | Mine ventilation wall construction A ventilation passage system for a mine having a main shaft from which several branch shafts may extend, wherein each shaft has a generally flat floor and ceiling, the system being constructed of a series of substantially rectangular panels arrayed in at ... | 05/02/2000 |
| 5934990 | Mine stopping A mine tunnel ventilation control device and method for constructing same quickly with an easily transportable matrix material to provide a rigid flame retardant barrier wall. The air flow stopping includes a peripheral frame extending about and across a ... | 08/10/1999 |
| 5782690 | Curtain fire damper A damper door system that includes an opening in a planar wall, a retractable damper door and a track extending through said opening. The damper door includes slots that are conformable to the track when the door is in a closed position. In addition, the ... | 07/21/1998 |
| 5683294 | Temporary brattice for mines A brattice for temporary or emergency use in underground mining provides a quickly and easily installable partition to close off drifts or tunnels as desired to control ventilation through the mine in an emergency, or for routine temporary use in the mine... | 11/04/1997 |
| 5308280 | Method and apparatus for supporting ventilation curtains in coal mines A hanger for a coal mine ventilation curtain has a support that is compressed against the mine surface, trapping the edge of a sheet of ventilation curtain material between a curtain supporting portion of the support and the mine surface. The support can ... | 05/03/1994 |
| 4770086 | Portable ventilation safety device Ventilation safety apparatus for extending toward a mine face from a supported area includes a collapsible frame supported on the mine floor, the supports for the frame being connected by a beam, and arms extending upwardly when in released position to su... | 09/13/1988 |
| 4612848 | Method and apparatus for moving air across a mineral face A compact, collapsible and automatically expansible mining canvas is constructed and arranged so that a mine worker may stand under a supported roof section and extend into a newly sumped coal portion a forward section of a mining canvas so as to direct t... | 09/23/1986 |
| 4607568 | Extensible line brattice This invention pertains to an extensible line brattice which comprises a track system and an extensible brattice frame with an attached brattice cloth cover mounted on said track system for extension into an unprotected portion of a mine passageway.... | 08/26/1986 |
| 4542681 | Mine ventilation line curtain extender A supporting structure by which the line curtain in a mine ventilation system can be extended in a cantilevered fashion from the last permanent roof support adjacent the working face of the mine so that the free edge of the extended line curtain will be a... | 09/24/1985 |
| 4494894 | Extensible brattice support system for mine face ventilation A mobile support system for an underground mine brattice curtain which extends the ventilation control of a conventional line brattice. Three embodiments are disclosed for the support system utilizing different fulcrums. In the preferred embodiment, the s... | 01/22/1985 |
| 4440070 | Mobile adjustable curtain apparatus for use in room and pillar coal mining ventilation system A section of brattice is mounted on a centrally-wheeled cart. This brattice has a frame that permits the curtain section to be extended and retracted vertically, in order to reduce its height for movement and to adjust its height for engagement of the min... | 04/03/1984 |
| 4398451 | Method of ventilating underground mines and improved brattice cloth construction useful therein An improved brattice cloth construction and method of utilizing the same in the ventilation of underground mines comprising a coherent, strong felt formed from a thick batting or mat of textile staple fibers needle-punched into dense, tightly intertwined ... | 08/16/1983 |
| 4282802 | Slideboard device for underground mine face ventilation A slideboard for underground mine face ventilation which acts as an extension of a line brattice. When used, the slideboard is advanced towards the working face of the mine to provide an inlet for clean air and an outlet for exhausting gases laden with du... | 08/11/1981 |
| 4180352 | Extensible brattice and cantilevered roof mounted support system therefor An extensible brattice and cantilevered support system therefor comprises a brattice panel having first and second top sleeves and a weighted bottom sleeve suspended from selected roof bolts by a support system comprising a support to which the brattice p... | 12/25/1979 |
| 4175481 | Mine ventilation system and elements thereof This invention relates to a ventilation system and more particularly to means for restraining a ventilation control curtain composed of a post like members formed of an elongate containers of flexible material filled with material such as mine debris whic... | 11/27/1979 |
| 4023372 | Means to seal-off portions of underground mines and the like An apparatus for sealably closing off or separating portions of a mine for safety or other reasons including an inflatable member having a size and shape which corresponds substantially to the cross-sectional size and shape of a mine passage, tunnel or th... | 05/17/1977 |
| 4009649 | Mine ventilation control device The invention relates to a mine stopping for underground mines which may be readily mounted within a mine airway to form a gas-tight seal to control the flow of fresh air to the working face of the mine and the efficient exhaust of dirty gas laden air fro... | 03/01/1977 |
| 3977312 | Parachute stopping for mine ventilation use A parachute-type mine stopping used in ventilation control comprises a parachute-like canopy suspended from straps or lines secured to a roof bolt or the like. After the lines are so secured, the stopping is erected by merely lifting the upper edge of the... | 08/31/1976 |
