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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| Application No. | Application Title | Issue Date |
| 20110287674 | Watercraft propulsion device A propulsion device is disclosed for propelling a floating watercraft. In at least one embodiment, the propulsion device includes a flexible fluke that is pivotal about a substantially horizontal fluke pivot axis, and at least one device for transmitting an oscillatory ... | 11/24/2011 |
| 20100291811 | WATERCRAFT PROPULSION DEVICE INCLUDING A LINKAGE AND A HORIZONTAL PROPULSION FIN A watercraft propulsion device 10 has a linkage comprising a vertical drive link (20), a support link (12), an upper control link (50) having a forwardly extended handle bar (52), and a lower propulsion link (30) having a horizo... | 11/18/2010 |
| 20090137164 | MANUALLY OPERATED BOAT A manually operated boat includes a propelling device including an upright driving rod extending through and rotatable relative to a floating member and having opposite upper and lower end portions that extend outwardly of the floating member, an operating member connec... | 05/28/2009 |
| 20090004933 | Water Craft With a Buoyancy Body The invention relates to a water craft with a preferably closed buoyancy body (1), a propulsion motor (2), arranged within the buoyancy body and a propulsion fin (14), driven by the propulsion motor, designed to generate drive by means of a reciproc... | 01/01/2009 |
