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 |
| 7303481 | Electrically isolated actuator output shaft An actuator for use in a fuel system. The actuator has a first metallic section adapted to be coupled to a motor, a second metallic section adapted to be coupled to a valve, and a nonmetallic section coupled to the first and second metallic sections for transmitting... | 12/04/2007 |
| 7186182 | Drive line for down hole mud motor A drive line for a down hole mud motor has a plurality of elongate keys extending radially from an exterior surface of a central shaft for the purpose of transmitting torque. A plurality of circumferentially spaced axial keyways are provided in an interior surface o... | 03/06/2007 |
| 6938823 | Portable apparatus for scientific identification of an individual A portable apparatus for scientific identification of an individual comprises, in a container (1) in the form of a small suitcase, a computer which is compatible with operating systems intended to use programs for scientific identification. The computer is connected... | 09/06/2005 |
| 5588818 | Rotor-to-rotor coupling A rotor to rotor coupling providing a connecting rod having longitudinal grooves mating to longitudinal grooves in a rotor end. The mated grooves forming chambers for which pins are received therein. A rotor cap secures the captured pins within the chambe... | 12/31/1996 |
| 5102255 | Flex-joint assembly linkage for dynamic mirror mount A flex-joint assembly (36) having a pair of identical flex joints (102,104) between three sections of shaft, front (88), center (86) and rear (90). Each flex joint, i.e., (102), consists of a pair of substantially semi-cylindrical bearings (89,93) and a t... | 04/07/1992 |
| 5000723 | Universal joint for downhole motors A rotor adapter for connection between a drive shaft having eccentric motion and a driven shaft having circular motion within a downhole mud motor. The rotor adapter has two symmetrical ends on either end of a rotor adapter shaft. Each end includes a coup... | 03/19/1991 |
| 4982801 | Flexible coupling for downhole motor A flexible coupling for use in a down-hole motor assembly such as a positive displacement moineau motor is presented. The flexible coupling includes two sets of flexible joints. Each joint consists of two cylindrically shaped slipper couplings angularly o... | 01/08/1991 |
| 4941861 | Interlocking shaft coupling An interlocking shaft coupling including a disk-shaped body having two end faces and an interlocking element disposed on each of these faces. Each interlocking element has a substantially circular cross section and a longitudinal axis parallel to a diamet... | 07/17/1990 |
| 4786271 | Coupling for end-to-end rotatable shafts A shaft coupling which can prevent trransmission of side loads in the event of angular or parallel misalignment of end-to-end shafts and which can also provide non-destructible overload protection. A pair of independent translatable devices spaced apart a... | 11/22/1988 |
| 4772246 | Downhole motor drive shaft universal joint assembly A universal joint assembly comprises a first rotary member having a first longitudinal axis and an outer tubular portion at one end thereof concentrically disposed about the axis, a second rotary member having a second longitudinal axis and an inner tubul... | 09/20/1988 |
| 4565541 | Small deflection coupling for oscillating shafts A solid core (3) serves to transmit both torque and axial thrust (if any) between first and second end pieces (1 and 2) having longitudinal axes that may be up to 10° out of alignment. The core is close to being cubical in shape, having two interfitting ... | 01/21/1986 |
| 4547101 | Self-aligning tool holder A tool holding member is coupled to a driving or spindle member by a lug-and-slot universal type coupling member. The three members are held against axial separation by a pair of resiliently yieldable retaining rings which coact with the coupling member t... | 10/15/1985 |
| 4530674 | Coupling arrangement for driving and driven members A coupling shaft couples driving and driven shafts which are subject to relative misalignment. The coupling shaft has crowned male polygonal profiles on both of its ends, and which ends mate directly with corresponding female polygonal profiles carried by... | 07/23/1985 |
| 4300361 | Articulated coupling This invention concerns an articulated coupling or universal coupling including two coupling halves or forks coupled together. A respective machine part is connectable to each of the coupling halves. A supporting component, such as a bracing rod, extends ... | 11/17/1981 |
| 4243112 | Vibrator-assisted well and mineral exploratory drilling, and drilling apparatus Well and exploratory drilling apparatus whose rotary motion is modified by a vibrator to provide lateral movement of its bit. There is also disclosed a universal movement which enables such action to occur in a steerable assembly, while providing a passag... | 01/06/1981 |
| 4036031 | Universal connection means in an orbital fluid pressure device Universal connection means between a wobble shaft and rotatable body in an orbital fluid pressure device, said rotatable body having a body axis, said wobble shaft having a shaft axis disposed to intersect said body axis, said rotatable body including an ... | 07/19/1977 |
| 3959987 | Self-engaging and aligning shaft coupling A coupling for use in self-engaging and subsequently aligning two portions of a transmission for remote coupling of the portions even when the portions are not aligned.... | 06/01/1976 |
