Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 8087609 | Dynamic human/wind powered flying suit A completely dynamic human powered flying suit comprising of a pair of bat wings and an interconnecting flexible main sheet with the body of the pilot-operator lying on top of and in the center of the non-rigid section of the apparatus when in flight. Each wing has ... | 01/03/2012 |
| 7255305 | Flying device utilizing natural principles An efficient flying device having flapping wings, an ornithopter, which uses many of the principles seen in bird flight, is presented herein. The wings are highly flexible, translationally stable and oscillate as a natural pendulum. Described as a springboard, the w... | 08/14/2007 |
| 7097134 | Wing device for sporting activities A human body attached wing device (20) for use during downhill alpine activities such as skiing and snowboarding. Wing device (20) includes independently operable, mirror image, left and right wings (24) and (26), which may be joined to a... | 08/29/2006 |
| 5170965 | Hang glider which can fly by human strength A human powered hang glider has a right main wing and a left main wing, both of which are swingably attached to a post by a universal joint. A rope is stretched in a loop shape between a pedal provided at a lower part of the post and the main wing, and is... | 12/15/1992 |
| 4773619 | Aircraft structure for take-off and landing on a pilot's feet The invention relates to an aircraft structure to make possible take-off and landing on a pilot's feet. The aircraft structure according to the invention can be regarded as a category between kite-shaped aircraft structures and light structures. The gist ... | 09/27/1988 |
| 4417707 | Human powered hang glider A human powered hang glider (10) has a fixed wing portion (12) and a pair of movable wing portions (14, 16). Flexible sheet material (26, 28) is connected to trailing edges (30, 32) of the movable wing portions (14, 16). A support structure (34, 36) for t... | 11/29/1983 |
| 4261534 | Inflated wing aircraft An aircraft is constructed of an airfoil shaped inflated involucrum of lightweight gas-impervious plastic film. The airfoil is maneuverable to attain forward self-propulsion upon ascent as well as descent. The gases contained in the involucrum are heated ... | 04/14/1981 |
| 4206892 | Lightweight aircraft An efficient aircraft utilizes a stabilizer spaced from a fixed wing, and supported for controlled rolling about an axis extending generally in a forward direction, to control aircraft yaw. The stabilizer extends generally horizontally in straight forward... | 06/10/1980 |
| 4081155 | Man-powered flying machine A heavier-than-air structure has a delta-shaped wing and a plurality of rearwardly-directed flat fans mounted upon the rear thereof. The fans are driven in up and down arcuate oscillations by a rotating shaft carrying flap board assemblies, one board for ... | 03/28/1978 |
| 4061293 | Balloon with manually operable helicopter blades A balloon filled with buoyant gas provides the major part of the required lift. A pair of spaced rings are supported by a rigging having a plurality of lines supported by the upper half of the balloon at approximately the vertical center of the balloon. E... | 12/06/1977 |
| 4053122 | Flapping wing aircraft A flapping wire aircraft capable of being operated by manpower comprising double wings acting in a countermovement is provided with a toggle lever system on each side for separate actuating the right-hand and left-hand wings respectively to improve steeri... | 10/11/1977 |
| 4007893 | Homocopter The Homocopter is a small helicopter which can fly due to the human power only, i.e. the pilot who is "riding" this vehicle is realizing the rotation of the rotary wing of the helicopter using a pair of pedals and a gear system, through which the rotary w... | 02/15/1977 |
| 3964697 | Deployable wing back pack A pair of sector-shaped wings stored in a pair of spaced apart elongated housings strapped vertically to the back of the user and adapted to be deployed from the housings utilizing rotatably mounted handles secured to the wings. Each housing has a longitu... | 06/22/1976 |
