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| Number | Title | Issue Date |
| 8062083 | Line cutter A line cutter 1 is fitted at a propeller 2 on a shaft 3 carried in a stern tube 4. Clamped to the shaft immediately in front of the propeller is a rotatable cutting blade unit 11 comprising a split hub 12, having two halves ... | 11/22/2011 |
| 7581995 | Net and line cutter Apparatus shears foreign matter that might entangle propellers and related structures on a moving vessel by action of a blade rotating with the propeller that cooperates with a non-rotating blade held close to the rotating blade. The mechanisms for holding the blade... | 09/01/2009 |
| 7425162 | Cutting apparatus A cutting apparatus for cutting debris from a propeller includes a spool securable to the propeller or a propeller shaft so as to rotate with the propeller. The cutting apparatus further includes a cutter oriented to pare debris from the spool. In use, debris snagge... | 09/16/2008 |
| 7416460 | Marine screw drive with line cutter A line cutter in the form of an apertured disk or plate mounts onto the housing of a propeller drive or screw drive. The line cutter mounts over the propeller shaft, and covers the propeller shaft seal. The line cutter opening has a small clearance over the shaft wh... | 08/26/2008 |
| 7273402 | Marine motor blade system A blade system for mounting on a marine motor such as an electric trolling motor and cutting weeds, aquatic vegetation and other debris that normally entangle the submerged motor and propeller. ... | 09/25/2007 |
| 7008277 | Cutting apparatus A cutting apparatus for cutting debris from a propeller including a spool fixed to a propeller shaft so as to rotate with the propeller shaft and a cutter oriented to cut the debris from the spool. In use, debris snagged by the propeller is wound onto the spool, whe... | 03/07/2006 |
| 6922982 | Marine weedwaker A weed cutting apparatus for use in water is disclosed. The weed cutting apparatus would be designed to cut weeds within a body of water without having the weeds tangle on the present invention. ... | 08/02/2005 |
| 6919704 | Reverse battery protection for a trolling motor A trolling motor having reverse battery protection such that an inadvertent reversal of the battery leads, as when connecting the trolling motor to a battery, will not cause unwanted operation of the trolling motor or damage to the trolling motor circuitry. The reve... | 07/19/2005 |
| 6902449 | Watercraft drive unit An improved drive unit for propelling a watercraft through shallow water comprising a steering box pivotally attached to the watercraft transom; a first drive shaft extending through the transom to the steering box; a second drive connected to said first drive shaft... | 06/07/2005 |
| 6247980 | Self cleaning trolling motor This invention relates to a trolling motor which includes a control system capable of executing a predetermined sequence of events which will clear entangled weeds from the propeller, motor housing, and support column. The control system for the trolling ... | 06/19/2001 |
| 6113445 | Multi-element, line cutting and prop holding system for a marine propeller A marine system using a number of different cutting and grinding members positioned at different parts of a marine screw prop shaft adjacent or around the prop for clearing away any line or rope entanglements, particularly for marine props on large commer... | 09/05/2000 |
| 6004174 | Rotary weed and line cutter Apparatus shears foreign matter such as lines, wires, nets and weeds that can entangle and befoul propellers, propeller shafts, bearings and related structure of propeller-driven, water born vessels. The apparatus shears by cooperative action of a rotatin... | 12/21/1999 |
| 5547408 | Compression washer assembly with line cutter for a boat propeller shaft Compression washer assembly with line cutter for mounting on a boat propeller shaft between a shoulder on the shaft and the end of a propeller hub. The compression washer assembly comprises a hub portion with a cross section conforming to the shaft. The h... | 08/20/1996 |
| 5462462 | Modified propeller blade A plastic propeller for marine electric trolling motors modified to prevent the entanglement and build-up of weeds by the application to its surface of a thin sheet of metal formed in the shape and size of the blade and extending beyond the blade's leadin... | 10/31/1995 |
| 5249993 | Weed resistant boat propeller A weed resistant boat propeller is disclosed. The propeller includes a generally circular hub that is adapted for mounting to and being rotatably driven by a boat motor. There are a plurality of blades mounted to a circumferential surface of the hub and e... | 10/05/1993 |
| 5052957 | Support for line and weed cutter Apparatus shears foreign matter such as lines, wires, nets and weeds that can entangle and befoul propellers, propeller shafts, bearings and related structures of propeller-driven, water born vessels. The apparatus shears by cooperative action of a rotati... | 10/01/1991 |
| 5017167 | Line and weed cutter Apparatus shears foreign matter such as lines, wires, nets and weeds that can entangle and befoul propellers, propeller shafts, bearings and related structure of propeller-driven, water born vessels. The apparatus shears by cooperative action of a rotatin... | 05/21/1991 |
| 5007867 | Weed ring for trolling motor An improvement is provided in a trolling motor of the type having a propeller, a housing with axially spaced leading and trailing ends, a shaft carrying a propeller and journalled for rotation in the housing, and a drive for rotating the shaft and propell... | 04/16/1991 |
| 4954108 | Line cutter for marine propellers Apparatus shears foreign matter such as lines, wires, nets and weeds that can entangle and befoul propellers, propeller shafts, bearings and the like of propeller-driven water born vessels. The apparatus shears by cooperative shearing action of rotating b... | 09/04/1990 |
| 4943249 | Line cutter for propellers A device shears foreign matter such as lines, wires, nets, and weeds that can entangle and befoul propellers, propeller shafts, bearings and the like of propeller-driven sea-going vessels that are sheared by cooperative shearing action of rotating blades ... | 07/24/1990 |
| 4938724 | Line cutting device In a line cutting device of the type adapted to be mounted on the propeller shaft of a water-borne vessel for the purpose of cutting lines, ropes, nets, plastic bags or other debris which may foul the blades of a propeller on the shaft, a stationary cutti... | 07/03/1990 |
| 4925412 | Marine drive weed deflector A weed deflector (28) is provided by a bar (30) mounted to the driveshaft housing (12) of a marine drive (10). The bar (30) has a top portion (46) extending forwardly from the driveshaft housing (12) to a forward leading tip (32) and has a lower portion (... | 05/15/1990 |
| 4911663 | Weed migration reduction system Discussed herein is an arrangement for reducing migration of weeds into an area between the gearcase and the propeller hub of a marine propulsion device. The arrangement is intended to reduce the problem of weed migration when a small hub propeller is use... | 03/27/1990 |
| 4911664 | Weed cutting and shredding attachment for trolling motor A weed cutting and shredding attachment for an electric trolling motor including a sharpened cutting blade oriented with the sharp edge thereof adjacent to the path of movement of the leading edge of the propeller blades on an electric trolling motor toge... | 03/27/1990 |
| 4898552 | Outdrive lower unit housing-to-propeller hub bridging sleeve A thin wall sleeve is provided including an inside diameter greater than the outside diameter of the rear terminal end of a marine outdrive lower unit propeller drive housing portion and the adjacent front terminal end of an associated marine propeller hu... | 02/06/1990 |
| 4891026 | Marine propeller including fish line trap Disclosed herein is a marine propulsion device including a lower unit having a gear case normally submerged in water and a propeller rotatably mounted in and extending rearwardly of the gear case. One or more grooves in the outer surface of the forward po... | 01/02/1990 |
| 4801281 | Line cutter for outboard, inboard/outboard, and trolling motors A device mounted in encircling relation to a propeller shaft. The device cuts lines, nets and weeds, thus preventing entanglement of the propeller and preventing entanglement damage which may result to the parts of the driven assembly of the outboard, inb... | 01/31/1989 |
| 4722667 | Rope and fish net guard The specification discloses a combined rope and fish net guard for use on large ocean going marine vessels. A rope guard extends outwardly from the stern frame to closely overlap the propeller hub. The propeller hub defines an annular groove underlying th... | 02/02/1988 |
| 4718871 | Aquatic growth cutter An upper and a lower blade are fixed together at an adjustable angle and have means for mounting same on the leading edge of the propeller drive housing of an inboard/outboard motor to cut kelp and other seaweed which would otherwise foul the prop and clo... | 01/12/1988 |
| 4676758 | Combined cutter and bypass for propeller A motor-driven marine propeller is disclosed for propelling a marine vessel. The propeller includes a hub member driven by the motor and a can member disposed coaxially relative to the hub member the can member having a fore and an aft end. The hub member... | 06/30/1987 |
| 4609361 | Fish line and weed cutter for marine propeller A fish line and weed cutting arrangement for a marine propulsion lower unit wherein the cutting member may be formed from sheet metal or the like and is positioned between the propeller and thrust taking member. The propeller is formed with a recess that ... | 09/02/1986 |
| 4578040 | Fish line entering prevention device for marine propeller Several embodiments of propeller constructions employing an improved fish line and weed cutting device that extends into a recess formed in the lower housing. In each embodiment, the cutting member is disposed radially inwardly of the recess to define a g... | 03/25/1986 |
| 4544363 | Line cutter for outboard and inboard/outboard motors A device mounted in encircling relation to a propeller shaft. The device cuts lines, nets and weeds, thus preventing entanglement of the propeller and preventing entanglement damage which may result to the parts of the driven assembly of outboard motor an... | 10/01/1985 |
| 4507091 | Propeller protecting devices A device that shears lines and nets of the type that can befoul propellers, propeller shafts, bearings, running gear and the like of propeller driven sea-going vessels. Lines or nets that can befoul the running gear of propeller-driven sea-going vessels a... | 03/26/1985 |
| 4501560 | Inboard outboard drive An inboard outboard drive for boats, particularly planing boats, of the S-type comprising an inboard engine and a vertical propeller leg having an upper inboard end and extending through an opening in the hull to an outboard propeller carrying portion. Th... | 02/26/1985 |
| 4450670 | Weed cutter for boat motor A cutting tool for use in conjunction with the propeller assembly of a boat to prevent underwater foliage from fouling the drive mechanism of the boat. The shank end of the tool is secured to the motor housing and supports the cutting blade end thereof in... | 05/29/1984 |
| 4447215 | Propellor protecting devices A device that shears lines and nets of the type that can befoul propellors, propellor shafts, bearings, running gear and the like of propellor driven, sea-going vessels. A first pair of non-rotatable, diametrically opposed, radially extending cutting blad... | 05/08/1984 |
| 4447214 | Anti-ventilation means for marine gear case The marine propulsion device includes a lower unit having a gear case normally submerged in water and arranged to discharge engine exhaust gas rearwardly from the rear end into the water exteriorly of the propeller hub. A ring member or thrust ring includ... | 05/08/1984 |
| 4304559 | Marine propeller defouling device Flexible linear members trail between the blades of a forward-moving marine shaft-driven propeller and impinge upon the blade surface to defoul the propeller blades.... | 12/08/1981 |
| 4246862 | Self-cleaning weedless propeller A self cleaning attachment for a propeller shaft having a gear box mounting parallel stub shafts driven in the same direction by a common gear, screw propeller surfaces on the shafts with teeth on the outer edge of each propeller surface and having weed s... | 01/27/1981 |
