Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8187049 | Transformable toy vehicle A remotely controlled transformable toy vehicle that is remotely transformable from a standing position to a flying position, where the toy performs like a helicopter and also to a driving position, where the toy performs like a wheeled vehicle. Transformations are ... | 05/29/2012 |
| 8177600 | Single rotor model helicopter with improved stability behavior A single rotor model helicopter is provided, comprising a spindle, a rotor clamp disposed on the spindle, a pair of rotor blades disposed on the rotor clamp, and a pair of hybrid control rocker arms. The helicopter further includes an operating system and a balancin... | 05/15/2012 |
| 8002604 | Remote controlled toy helicopter A remote-controlled toy helicopter comprises a body; a motor in the helicopter, a battery for powering the motor, and a receiver for communicating signals between the motor and a separate remote controller. A main rotor with blades is driven by a rotor shaft and cau... | 08/23/2011 |
| 7798883 | Acrobatic rotary-wing toy helicopter A rotary-wing toy helicopter generally comprising a transverse shaft, a plane body fixedly attached to the transverse shaft and a rotor assembly rotatably attached to the transverse shaft. The rotor assembly generally comprises a primary drive connected to a drive s... | 09/21/2010 |
| 7445536 | Micro aerial vehicle The purpose of this invention is to provide an ultra-miniature aircraft which is able to perform ‘Vertical Take-off and Landing (VTOL)’ and maintaining altitude when the vehicle is moving or when the horizontal velocity of a vehicle is at 0 by getting life only ... | 11/04/2008 |
| 7416466 | Flying toy A flying toy is provided in which a flying object on a model having an optional character can be caused to freely ascend/descend or hover by remote control. The flying toy comprises: a flying object which replicates a model having a character; an upper rotor and a l... | 08/26/2008 |
| 7407424 | Spatial navigation system and method for programmable flying objects A flying toy can determine its orientation and position in a space by calculating the distance to three reference points on the ground. The flying toy uses three ultrasonic transmitters as the three reference points. The distance to each ultrasonic transmitter is ca... | 08/05/2008 |
| 7364114 | Aircraft The present invention concerns an aircraft having a plurality of lifting and thrust rotors, with an electric motor and an inverter for each motor. In order to provide an aircraft having a greater payload, connecting bars are provided between the motors. In that resp... | 04/29/2008 |
| 7275973 | Toy aircraft A toy aircraft may include an airframe, which may include a fuselage and a wing assembly. The toy aircraft may include at least one propulsion unit mounted to the airframe. The at least one propulsion unit may be operable to propel the toy aircraft. The toy aircraft... | 10/02/2007 |
| 7273195 | Vertical lift craft A vertical lift craft includes a vertical lift craft, a powered rotor system including two counter-rotating lift rotors rotatably mounted to the body and a cage fixed to the body and extending about the powered rotor system, the cage including flexible rods extendin... | 09/25/2007 |
| 7267300 | Aircraft capable of vertical and short take-off and landing Aircraft comprising an airframe having a forward end, an aft end opposite the forward end, a top extending between the forward end and the aft end, and a bottom opposite the top side. The aircraft further includes a power plant mounted on the airframe. In addition, ... | 09/11/2007 |
| 7255623 | Self-stabilizing rotating toy A rotating toy may then include a hub having a central axis and a lower portion; a plurality of counter rotating blades extending outwardly from the lower portion of the hub, the plurality of counter rotating blades having a tip connected to an outer ring; a single ... | 08/14/2007 |
| 7134840 | Rotor system for a remotely controlled aircraft A remotely controllable flying machine, such as a remote control ultralight helicopter, has at least one rotor blade (104), the pitch (α) of which may be adjusted. The adjustment of the pitch (α) of the at least one rotor blade is achieved by means of a for... | 11/14/2006 |
| 7104862 | Reduced visibility rotorcraft and method of controlling flight of reduced visibility rotorcraft A rotary aircraft (rotorcraft) in which the entire aircraft rotates about its center of mass as it flies, and in which the center of mass is located external to the aircraft in the generally triangular region formed by the aircraft's single wing and two propellers. ... | 09/12/2006 |
| 7100866 | Control system for a flying vehicle In one embodiment of the present invention there is described a vehicle having a propeller mechanism for propelling the vehicle in a horizontal direction. The vehicle includes a transmitter positioned on the bottom of the vehicle for transmitting a signal from the v... | 09/05/2006 |
| 6929215 | Rotor system for helicopters A tail rotor system for a helicopter includes a gear box housing retainer (66) coupled to the tail boom (16) of the helicopter. The tail rotor system also includes a power-limiting device (50) configured to disconnect the tail rotor from a power... | 08/16/2005 |
| 6921315 | Toy vehicle having an integral pump assembly An integral pump assembly may be used to power a toy vehicle. The pump pressurizes fluid stored within the pressure vessel. The pressurized fluid within the pressure vessel drives the engine that powers the toy vehicle until the stored pressurized fluid has been dep... | 07/26/2005 |
| 6899586 | Self-stabilizing rotating toy A rotating toy may then include a hub having a central axis and a lower portion; a plurality of counter rotating blades extending outwardly from the lower portion of the hub, the plurality of counter rotating blades having a tip connected to an outer ring; a single ... | 05/31/2005 |
| 6843699 | Flying toy A rotating toy may then include a hub having a central axis and a lower portion; a plurality of counter rotating blades extending outwardly from the lower portion of the hub, the plurality of counter rotating blades having a tip connected to an outer ring; a single ... | 01/18/2005 |
| 6811460 | Flying toy vehicle There is provided a rotary aircraft and launching assembly that includes a launching platform, a hub, and a plurality of blades. The launching platform has a funnel-shaped portion. The hub has a cone-shaped portion for being supported by the funnel-shaped portion of... | 11/02/2004 |
| 6805604 | Toy driving simulator A toy driving mechanism includes a housing, a display element coupled to the housing, and a controller mounted on the housing and coupled to the display element. ... | 10/19/2004 |
| 6773329 | Amusement device including a thematic play set A thematic play set that in one example is in the form of a castle includes a plurality of turrets. Some turrets have end caps that may be removed to allow fiber optic bundles to be exposed that simulate a fireworks bloom. Another turret includes a launcher that lau... | 08/10/2004 |
| 6758436 | Pneumatic driven propeller related vehicles A propeller related vehicle in accordance with one embodiment of the present invention is described as a helicopter having an airframe housing a pneumatic motor mechanism for powering a main propeller attached to a main drive shaft. The helicopter further includes a... | 07/06/2004 |
| 6732973 | Stabilizer for a propeller related vehicle A stabilizer attached between a propeller and a shaft; and the propeller is pivotally mounted to the shaft in a substantially perpendicular plane to the shaft. The stabilizer has a tendency to exert a reactionary force on the propeller, when the propeller pivots in ... | 05/11/2004 |
| 6688936 | Rotating toy with directional vector control The rotating toy in accordance with the present invention includes a hub having an outer portion rotatably connected to an inner portion. At least three rods extending outwardly from the hub to connect to an outer ring. A motor operably connected to a pro... | 02/10/2004 |
| 6659395 | Propellers and propeller related vehicles A propeller related vehicle in accordance with one embodiment of the present invention is described as a helicopter having an airframe housing a motor mechanism for powering a main propeller attached to a main drive shaft that extends vertically through t... | 12/09/2003 |
| 6550715 | Miniature vertical takeoff and landing aircraft A vertical takeoff and landing aircraft is disclosed that includes a support structure having a motor mounted vertically thereto, with the motor having a propeller for rotation in a horizontal plane. A power supply for the motor is mounted to the support ... | 04/22/2003 |
| 6484967 | Drive unit for a model helicopter The present invention relates to a drive unit for a model helicopter comprising a fuselage in the central portion of which both the drive unit and a rotor shaft 1 are supported, characterized in that the drive unit comprises a horizontally arranged turbin... | 11/26/2002 |
| 6461212 | Automatic start control and clutch of toy engine powered by high pressure gas A starting device of a toy engine comprises a spring, a starting piece, and a unidirectional bevel gear. The motion of the spring between the two fulcrums serves to ensure that the control rod is kept securely in place at a disengaging position and an eng... | 10/08/2002 |
| 6146231 | Flying toy A flying toy including a handle portion having an upper end. A spindle is mounted atop the upper end and has a bore extending downwardly therethrough. A rotating rod extends through the bore and into the upper end of the handle to allow relative rotation ... | 11/14/2000 |
| 5971320 | Helicopter with a gyroscopic rotor and rotor propellers to provide vectored thrust A model helicopter creates lift using rotor propellers mounted to the rotor arms of a gyroscopic rotor assembly. A controller converts front-back, and left-right inputs into speed control signals used to vary the speeds of the rotor propellers at selected... | 10/26/1999 |
| 5836545 | Rotary wing model aircraft A model rotary wing aircraft is provided that includes a fuselage, a power plant, a main rotor, a tail rotor, and a drive apparatus. The power plant includes a passive cooling system to transfer heat produced by the power plant to the atmosphere. The pass... | 11/17/1998 |
| 5672086 | Aircraft having improved auto rotation and method for remotely controlling same A toy aircraft includes a main body portion having a central hub member and a plurality of wings. Each wing of the plurality of wings is equally spaced about a central axis of rotation. The toy aircraft further includes a power source carried by the aircr... | 09/30/1997 |
| 5634839 | Toy aircraft and method for remotely controlling same A toy aircraft includes a main body portion having a central hub member and a plurality of wings. Each wing of the plurality of wings is equally spaced about a central axis of rotation. The toy aircraft further includes a power source carried by the aircr... | 06/03/1997 |
| 5628620 | Main rotor system for helicopters A main rotor is provided for use in a rotary winged model aircraft. The main rotor includes a rotor hub assembly rotatable about a vertical axis and at least two main rotor blades. Each of the main rotor blades extends in a radial direction from the rotor... | 05/13/1997 |
| 5525086 | Launchable figurine device A launchable figurine device includes a figurine having wings capable of providing aerodynamic lift upon rotation of the figurine. A rotation imparting mechanism is releasably mated with the figurine to provide the requisite rotational velocity for launch... | 06/11/1996 |
| 5492494 | Toy aircraft with vertical flight dynamics A hobby aircraft arranged for vertical flight aerodynamics. A substantially-planar body is symmetrical about a central axis. An upper blade is fixed to the bottom of the body. An elastic band is aligned with the central axis for powering a lower blade tha... | 02/20/1996 |
| 5429542 | Helium-filled remote-controlled saucer toy A helium-filled remote-controlled saucer toy comprising a hollow saucer having a central aperture disposed therethrough; a filling mechanism for allowing the saucer to be filled with helium gas for enabling the saucer to hover in air; a first fan having a... | 07/04/1995 |
| 5403222 | Self-propelled amusement object An object that is selectively movable through a fluid in which the object is at least partially immersed and which is adapted to automatically change between different operating states without operator intervention. A movable object has a vessel / balloon... | 04/04/1995 |
| 5297759 | Rotary aircraft passively stable in hover A rotary aircraft includes a cylindrically tubular hub mounting a plurality of outwardly extending, resiliently flexible blades. The blades are uniformly spaced around the hub and its central axis and fixed in pitch. Outer tips on each of the blades are d... | 03/29/1994 |
