Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7192217 | Baffle apparatus A baffle apparatus and method for directing fluid flow to reduce damage to an energy dissipating basin that includes an inlet, an outlet, a floor, a sidewall that extends upward from an edge of the floor, and an opposing sidewall that extends upward from an opposing... | 03/20/2007 |
| 6947842 | Normalized and animated inundation maps Methods and systems for normalizing flood warnings and potential flood levels across multiple river gauges by converting localized flood stage levels to a datum-based normalized value are disclosed. The normalized flood levels can then be used to plot flood levels f... | 09/20/2005 |
| 6890127 | Subsurface platforms for supporting bridge/culvert constructions A scour platform to prevent scour of a moving body of water is constructed by placing an excavation adjacent to the body of water. The excavation is spaced laterally from the body of water and extends up or downstream a desired length. A stabilizing sheet material c... | 05/10/2005 |
| 6526189 | Scour sensor assembly A optical scour sensor monitors scour, including deposition and ablation, in bodies of water that may be too lossy to enable use of electrical signals. A specially configured optical fiber is inserted into the sediment and the interface between the sedime... | 02/25/2003 |
| 6305876 | Material and construction method of prevention of scour for the underwater structure A net includes a bag body, an endless suspension rope, and a top closing rope. The bag body prevents scour of an underwater structure, and is formed into a mesh by a knitted fabric. The endless suspension rope is inserted through the mesh adjacent to an o... | 10/23/2001 |
| 6053663 | Device for creating a local water flow A device for creating a localized water jet within a body of water allows for the displacement of material from the floor of the body of water. The device includes two powered screws within a jet pipe. The screws are arranged coaxially and their direction... | 04/25/2000 |
| 5842118 | Communication system including diversity antenna queuing A wireless communications system comprising a first transponder having a plurality of selectable antennas, and having a stack including locations holding data representing antennas, the stack defining an order in which antennas will be used to attempt com... | 11/24/1998 |
| 5762448 | System for alleviating scouring around submerged structures A system for alleviating scouring damage at the base of a structure anchored in the bed of a body of liquid flowing at a velocity relative to the structure, such as a bridge pier in a river bed, comprises a plurality of hollow vehicle tires surrounding th... | 06/09/1998 |
| 5575921 | Sludge dredging and dewatering process A method is disclosed for remediating ponds and other water sites containing sludge and other waste materials by a dredging and dewatering process which is economical and efficient, uses relatively low cost equipment and provides for high remediation rate... | 11/19/1996 |
| 5532687 | Modular magnetic scour monitoring device and method for using the same A modular scour monitoring device which employs magnets located within a weighted descending collar is designed for placement about bridge piers, abutments and the like, such that the occurrence of scour causes descent of the collar. This descent is caref... | 07/02/1996 |
| 5406725 | Method and apparatus for water bottom removal of bottom material An improved material movement system for use in a body of water for moving bottom materials. The system includes a vessel from which at least one propulsion unit is suspended and which has the ability to provide flow therefrom directed at a preselected an... | 04/18/1995 |
| 5294213 | Coastal stabilization with multiple flow control Coastal stabilization with multiple flow control of water to and from foraminous pipes and adjacent subsoil. Offshore underwater subsoil is fluidized by injection of water via underlying foraminous piping, thereby increasing the concentration of subsoil s... | 03/15/1994 |
| 5259696 | Means for and method of beach rebuilding and erosion control A system for rebuilding beaches which are subject to erosion of sand comprises a sheet of flexible impermeable material placed in the ocean near the shore and anchored to the water bottom with a plurality of landward tethers and a plurality of seaward tet... | 11/09/1993 |
| 5249378 | Hydraulic thrust producing implement A submersible thrust producing implement for use in combination with an excavator, the excavator being of the type having a boom and a stick with an attachment end on the stick for attaching the implement, which boom and stick can be extended and retracte... | 10/05/1993 |
| 5197822 | Emplacement of foraminous piping in non-cohesive subsoils Horizontal foraminous piping is placed in non-cohesive subsoil by means of an upright engaged disengageably at its bottom end to the top end of an open-ended hollow upright stanchion. Fluid jetted into the top end of the placement pipe and out of the bott... | 03/30/1993 |
| 5195845 | Monitoring flow in subsoil fluidization Monitoring fluidized flow of underwater non-cohesive subsoil. Fluid is jetted, as from a horizontal array of foraminous piping, into subjacent subsoil to fluidize it and preferably to transport it in an overhead lateral direction. Sensors at sites through... | 03/23/1993 |
| 5149227 | Beach stabilization with multiple flow control Beach stabilization with multiple flow control of water to and from foraminous pipes and adjacent subsoil. Offshore underwater subsoil is fluidized by injection of water via underlying foraminous piping, thereby increasing the concentration of subsoil sus... | 09/22/1992 |
| 5061117 | Fluidization-assisted beach stabilization Fluidization-assisted beach stabilization. Water is collected from beach-underlying subsoil, and is used to fluidize adjacent off-shore subsoil. More particularly, a first foraminous pipe is buried in beach-underlying subsoil, a second foraminous pipe is ... | 10/29/1991 |
| 5052857 | Placement of foraminous piping in non-cohesive subsoils Placement of foraminous dual piping in non-cohesive subsoil, and use in beach stabilization or use in fluidization as navigation channel maintenance. Air, water, or mixed fluid medium is jetted from the foraminous piping downward onto and into such subsoi... | 10/01/1991 |
| 4991997 | Method and apparatus for the transport of particulate solids using a submerged fluid induction device A method and apparatus for the transport of sand or silt underlying or adjoining a body of water using a submerged fluid induction device is disclosed. The device includes an open bottom and comprises an enclosure which is submerged below the top surface ... | 02/12/1991 |
| 4957392 | Method and apparatus for the active prevention of sedimentation in harbors and waterways An apparatus for preventing sedimentation buildup in waterways having a current, the apparatus being submergible at a location proximate the edge of the waterway and adapted to produce a scour pattern of predetermined configuration. The apparatus includes... | 09/18/1990 |
| 4943186 | Device for the displacement of sediment under water and process for the use of such a device Device and process for the displacement of sediment under water by means of water jets which liquify the sediment so that it flows away under water without polluting the surface water, the improvement being that the device has laterally directed outflow o... | 07/24/1990 |
| 4898495 | Method and apparatus to control a beach at an inlet and to maintain the beach A method of beach/inlet stabilization, based upon a beach/inlet stabilization system for bypassing the littoral drift to cross an inlet, is provided. The beach/inlet stabilization system consists of a well system, a diffuser system, a flow guiding system,... | 02/06/1990 |
| 4571121 | Underwater erosion prevention and backfill system with barrier bag installation An underwater backfilling apparatus which can be used by undersea divers provides a sediment intake which is randomly movable by a diver over the ocean floor for removing sediment material from the seabed which is to be used in underwater backfilling. A h... | 02/18/1986 |
| 4182582 | Porous tubes and hollow profile structures and method of making same A method of producing porous tubes and hollow profile structures is characterized by coextruding different materials each through a separate section of a tube-forming extrusion die, one material being pore-forming and producing a porous wall section exten... | 01/08/1980 |
