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 |
| 7429203 | Amphibious drive system for a boat An improved amphibious drive system for a watercraft. The amphibious drive system features a paddled drive wheel which is operatively mounted to a drive frame. The drive frame pivots about a horizontal pivot joint. The drive wheel can thereby be raised and lowered w... | 09/30/2008 |
| 7270513 | Apparatus and method for generating power from moving water Apparatus for generating power from a water current in a body of water comprises a longitudinally extending flotation platform for maintaining the apparatus afloat in the body of water and a water turbine operatively carried by the platform for generating power in r... | 09/18/2007 |
| 7255057 | Ramp for pontoon boat A ramp for a pontoon boat on which a boat user can come and go from it without having to get wet. Rotatably attached to the outboard end of the ramp is a cylindrical float which not only keeps the ramp and user afloat but also acts like a roller enabling the ramp to... | 08/14/2007 |
| 6264518 | Paddle wheel boat The vessel of this invention has a relatively uniform weight distribution throughout the length of the vessel which maintains a level trim under all operation conditions thereby maximizing the efficiency of the design and operation. This is, in part, acco... | 07/24/2001 |
| 6083065 | Paddle wheel propulsion device kit A paddle wheel propulsion device kit is shown which can be removably affixed to a canoe and the like watercraft. A steering unit having a tiller and a rudder shaft detachable from an elbow with a safety cable can be removably attached to the watercraft. A... | 07/04/2000 |
| 5988092 | Paddle wheel boat The vessel of this invention has a relatively uniform weight distribution throughout the length of the vessel which maintains a level trim under all operation conditions thereby maximizing the efficiency of the design and operation. This is, in part, acco... | 11/23/1999 |
| 5782660 | Watercraft propulsion system A watercraft propulsion system is provided for maneuvering and positioning a dredge or weed harvesting craft in shallow waterways and includes a pair of booms positioned adjacent the port and starboard sides of the craft. Submersible and reversible motors... | 07/21/1998 |
| 5069023 | Aquatic vegetation harvester An aquatic vegetation harvester comprises a barge having a vegetation cutter extending forwardly thereof and a conveyor extending aft. Hydraulic cylinders effect elevation of the aft end of the conveyor relative to the barge. A pair of laterally spaced, l... | 12/03/1991 |
| 4597353 | Amphibian vehicle An amphibian vehicle which can travel both on land and on the water is disclosed wherein a front wheel which can be controlled in direction by operation of a handle, is provided at a front portion of a body having float members therearound while a drive s... | 07/01/1986 |
| 4439164 | Paddle wheel kit for pontoon boat A power assembly for converting a conventional commercial pontoon boat usually driven with an outboard motor to a paddle wheel driven boat.... | 03/27/1984 |
| 4437840 | Swimming wheel apparatus An aquatic craft for a swimmer; including a pair of pontoons, a frame therebetween on which the swimmer reclines, and a paddle wheel powered by the swimmer.... | 03/20/1984 |
| 4416210 | Drill barge transport by surface effect vehicles A method and apparatus are disclosed to transport and position a drilling rig over dry land, marshland and water. Surface effect vehicles having drive and positioning means that develop thrust against the surface over which they travel are used to lift an... | 11/22/1983 |
| 4376420 | Inflatable boat including a mechanical propulsion assembly for operation by a user An inflatable boat includes a mechanical propulsion assembly operable by the legs of the user. The inflatable boat has three independent air chambers inflatable to give the boat an operative fork shape. A throw-like shaft mounted in bushes on the branches... | 03/15/1983 |
