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 |
| 5257417 | Fire fighter's face shield assembly A transparent plastic face shield assembly for a fire fighter's helmet is disclosed which employs a thermally reflective applique on each of the end sections of a face shield near its points of pivotal attachment to opposite sides of the helmet. The appli... | 11/02/1993 |
| 5150479 | Protective helmet An improved fireman's helmet is disclosed which includes an outer shell, a compressible, non-resilient foam liner, and an inner shell of hemispherical shape conforming to the foam liner. An annularly extending channel of generally U-shaped cross-section i... | 09/29/1992 |
| 5088115 | Ventilated full body protective garment A full body garment made of flexible, non-stretchable, air impervious material which can be supplied with breathable, ventilating air from a remote source, for protecting a wearer when present in a contaminated atmosphere is disclosed. The garment include... | 02/18/1992 |
| 4899740 | Respirator system for use with a hood or face mask A portable respirator system for supplying clean, breathable air to a hood or face mask is disclosed. The system can be carried on a waist belt and includes a housing containing air inlet and outlet plenums, and a battery powered, electric motor operated ... | 02/13/1990 |
| 4888831 | Adjustable head band suspension system for use with hard hat shell An adjustable head band suspension system for use in a safety hat shell is disclosed. The suspension system includes a head encircling head strap having overlapping rear end portions and an arc shaped channel adapted to fit the back of a wearer's head. Th... | 12/26/1989 |
| 4656667 | Fire helmet and the like An improved impact barrier structure for fire helmets and the like including a hard outer shell with a relatively thick inner liner in which a layer of flaccid material is interposed between the outer shell and inner liner in intimate heat conducting rela... | 04/14/1987 |
| 4619254 | Protective respirator hood with inner and outer bibs A head mounted, protective respirator hood is improved by the addition of an inner bib structure. Embodiments of the improved hood for use with half or full face respirator masks as well as for use as a supplied air respirator hood are disclosed. An elast... | 10/28/1986 |
| 4602814 | Safety latch for lifting hooks An improved safety latch suitable for use on grab as well as other types of lifting hooks. A hollow, generally rectangular, annular latch member surrounds the heel of the hook with the side walls of the latch member providing an L-shape configuration. The... | 07/29/1986 |
| 4561162 | Method of making loose fitting supplied air respiration hood A loose fitting respirator hood made of flaccid, non-stretchable, air impervious material with a curved optical lens panel interposed in the sidewall thereof. The method of making the hood is disclosed in which curvature is imparted to a relatively stiff ... | 12/31/1985 |
| 4542538 | Disposable protective film accessory for the lens of a respirator hood A disposable protective film accessory for use with a hood assembly including an optically transparent lens panel. The accessory includes an elongated sheet of thin, flexible transparent film having a length many times the length of the lens panel and a w... | 09/24/1985 |
| 4484575 | Loose fitting supplied air respirator hood A loose fitting respirator hood made of flaccid, non-stretchable, air impervious material with a curved optical lens panel interposed in the sidewall thereof. The method of making the hood is disclosed in which curvature is imparted to a relatively stiff ... | 11/27/1984 |
| 4455683 | Self-adjusting protective garment An air-tight self-adjusting protective garment having a torso covering portion with integral arms and legs. Gloves are sealingly affixed to the free ends of the arms and boots are sealingly affixed to the free ends of the legs. A head enclosing hood or he... | 06/26/1984 |
| 4339926 | Vortex tube A vortex tube has a vortex generator portion in the form of a right circular cylindrical re-entrant cavity having end walls defining a right circular cylindrical volume therewithin with a nozzle means separating such volume from the remainder of the cavit... | 07/20/1982 |
| 4305181 | Lifting hook with cam lock gate A lifting hook with a safety gate journaled about the shank thereof, which safety gate is locked against rotation about the shank by a cam member mounted for pivotal movement on the safety gate and spring loaded to abut a flat formed on the shaft when the... | 12/15/1981 |
| 4292692 | Self-setting adjustable headband An improved headband is disclosed which is readily adjustable in size and which is self-setting to automatically accommodate a wearer having a head of a larger size than the size to which the headband is adjusted. The headband is useful in a suspension sy... | 10/06/1981 |
| 4271833 | Ventilating system for protective clothing A ventilating system for use with protective clothing of the type including a head enclosure and an outer covering for a user's body is described. The system provides for the distribution of air from a pressurized source to a user's limbs to provide a flo... | 06/09/1981 |
| 4236514 | Respiration system A respiration system is provided which is useful to protect a wearer thereof in potentially hazardous atmospheres which are not immediately dangerous to life or health. The respiration system comprises a flexible cape member having an aperture defining a ... | 12/02/1980 |
| 4076373 | Method of and means for shielding the lens of a face mask Shielding of the protective lens of a face mask by forming and mounting a stack of thin sheets of transparent or translucent material on the exterior surface of the protective lens is disclosed. According to this invention, the thin sheets of the stack ar... | 02/28/1978 |
| 4052984 | Plenum type air distribution system for head enclosure An improved plenum type air distribution system adapted to be mounted in a head protective helmet or hood for distributing respiratation air to the interior of the helmet or hood is described which includes a combination air diffusion and noise attenuatio... | 10/11/1977 |
| 4051555 | Protective headwear A protective helmet comprising a shock absorbing shell is disclosed in which a recess is provided at the inner apex or crown portion of the shock absorbing shell and a laminated insert of padding providing for both wearer comfort and shock attenuation is ... | 10/04/1977 |
| 3995887 | Method and system for control of multiple inventories A system for monitoring the contents of a plurality of different inventories at different locations, such as for monitoring the contents of a plurality of first aid kits, some of which have different contents from others. The system includes a plurality o... | 12/07/1976 |
| 3960104 | Back-up alarm with improved keeper A wheel hub mountable back up alarm is disclosed having a plurality of ringing units mounted interiorly of a bell. Each ringing unit has an improved clapper and an improved interacting keeper to prevent forward wheel motion ringing, to retard alarm freezi... | 06/01/1976 |
