Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7178475 | High maneuverability towcraft A maneuverable towcraft consisting of a partial hull structure to which is removably attached at least three downward-projecting fins. A first ventral fin of sufficient size and draft is located along the craft's centerline, toward the front of the craft. A second a... | 02/20/2007 |
| 6935261 | Apparatus for body motion steering control for water craft An apparatus for steering control of water craft by operator body motion commands. The craft is powered by an outboard motor having a first vertical axis. The water craft has a swivel seat co-axially mounted to first and second swivel bodies permitting rotation of t... | 08/30/2005 |
| 6905379 | Portable canoe propulsion system A portable pedal driven propulsion device for a small watercraft in which power from crank operated pedals is transmitted to a pivotally mounted gearbox on the outside of the watercraft adjacent the operator. A longitudinal drive shaft is connected, at one end, to t... | 06/14/2005 |
| 6869323 | Pedal powered watercraft and equipment A water driven pedalcraft in which water propelling blades or paddles and a drive mechanism for driving the blades or paddles are associated with a framing system removably mounted atop a buoyant pontoon system. The drive mechanism preferably comprises conventional ... | 03/22/2005 |
| 6171157 | Pedal powered boat motor A pedal-powered boat that uses a flexible shaft to drive a propeller. By using a flexible shaft, the user's seat can be placed lower in the vessel, thereby increasing stability. The device also uses a pair of foot pegs and a ratcheted straight driver, whi... | 01/09/2001 |
| 5807148 | Portable apparatus for using bicycles as a type of watercraft A portable apparatus for using a bicycle not only on land but also as a type of watercraft has two oblong connected inflatable floats, a propulsion unit including a propeller and a clutch unit picking up a motion from a tire of a bicycle rearwheel, a rear... | 09/15/1998 |
| 5743772 | Manually driven water propulsion device A manually driven water propulsion device including a propulsion assembly comprising an attachment strap, a gearbox, a flexible shaft, a propeller, securing booties and bootie attachment member, the attachment strap being configured as a loop, in an opera... | 04/28/1998 |
| 5295878 | Mud bug Mud bug, a portable system for propulsion of small boats consisting basically of a carrying frame (10) housing controls for forward and reverse speed, steering, and tilt of a remote mounted outdrive assembly. Control is accomplished through flexible sheat... | 03/22/1994 |
| 4943251 | Pedal operated outboard motor for watercraft A pedal operated drive system for a canoe includes a main drive assembly in the canoe including a main drive shaft, an intermediate drive shaft extending rearwardly of the main drive shaft to a point beyond the canoe stern, and a propeller shaft behind th... | 07/24/1990 |
| 4891024 | Pedal boat propulsion system A marine propeller equipped drive unit is provided for support from the transom of a boat in generally the same manner an outboard motor is supported from a boat transom and a pedal crank assembly is provided for mounting within a boat forward of a transv... | 01/02/1990 |
| 4789365 | Aquacycle Apparatus for converting a bicycle to a maneuverable, pedal-operable aquacycle is disclosed. A twin hull assembly includes a support framework for supporting a bicycle by its horizontal frame member. A friction wheel, which may be rotated with the rear wh... | 12/06/1988 |
| 4676755 | Pedal driven device Pedal operated mechanisms are disclosed for propelling watercraft, with one embodiment of the invention comprising a modification for a canoe and a second form of the invention comprising a mechanism that can be secured to a surfboard. A novel flexible dr... | 06/30/1987 |
| 4324551 | Bow-mounted propeller driven boat A highly maneuverable, efficient boat having a bow-mounted propeller drive with a forwardly directed propeller for pulling the boat through the water. The forwardly directed propeller holds its own course so that the user does not have to steer except to ... | 04/13/1982 |
| 4004543 | Manually operated propelling apparatus for a boat A manually operated propelling apparatus for a boat comprising a clamp for attaching the propelling apparatus to the transom of the boat, a propeller shaft housing attached to the clamp, a driving gear device attached to one end of the propeller shaft hou... | 01/25/1977 |
