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Class Information
Number: 114/221R
Name: Ships > Implements
Description:










Sub-classes under this class:

Class Number Class Name Patents
114/224 Caulking, paying, etc. 2
114/222 Hull cleaning 265
114/223 Riggings 3
114/221A Underwater cutting 56


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5011583 Corrosion prevention for a marine propulsion system Apr. 30, 1991
5009181 Line handling device Apr. 23, 1991
5003907 Boat hook Apr. 2, 1991
5003437 Illuminated boat hook structure Mar. 26, 1991
4986207 Boat hook device Jan. 22, 1991
4951571 Drum minesweeper Aug. 28, 1990
4947777 Adjustable downrigger mounting device Aug. 14, 1990
4932700 Mooring line shackle Jun. 12, 1990
4915053 Method and apparatus for cathodic protection of marine vessels Apr. 10, 1990
4913078 Convertible bank anchor and mooring device with locking means for watercraft Apr. 3, 1990
4899416 Wind powered cleaning and polishing flap for boat rails Feb. 13, 1990
4890416 Trap-guard for vermin repellant destruction Jan. 2, 1990
4846093 System for releasing an anchor moored to the bottom of the sea Jul. 11, 1989
4834437 Clasping device May. 30, 1989
4817549 Combined whisker pole and boat hook Apr. 4, 1989
4799444 Rail clamp Jan. 24, 1989
4793646 Adjustable interlocking telescopic handle and arm assembly Dec. 27, 1988
4782622 Trap-guard for vermin repellant destruction Nov. 8, 1988
4781138 Standoff mooring bar for boats Nov. 1, 1988
4751892 Marine standoff Jun. 21, 1988
4741283 Boat securer May. 3, 1988
4726312 Accessory for yachts Feb. 23, 1988
4724789 Device for laying-out and breaking-out of the sea-bottom and weighing an anchor Feb. 16, 1988
4718871 Aquatic growth cutter Jan. 12, 1988
4708083 Mooring device for boats Nov. 24, 1987
4667617 Rope-holding boat hook May. 26, 1987
4635986 Line handling device Jan. 13, 1987
4632050 Sportfishing outriggers Dec. 30, 1986
4626128 Underwater gas pocket work unit and removal of dangerous fumes and gases therefrom Dec. 2, 1986
4599074 Man overboard retrieval device Jul. 8, 1986
4582582 Method and means for generating electrical and magnetic fields in salt water environment Apr. 15, 1986
4570564 Rat guard Feb. 18, 1986
4567841 Fairing assembly for towed underwater cables Feb. 4, 1986
4562789 Arrangement for remote sweeping of mines sensitive to magnetic fields Jan. 7, 1986
4559890 Mooring release apparatus and method Dec. 24, 1985
4557214 Rope-holding boat hook Dec. 10, 1985
4535716 Minesweeping Aug. 20, 1985
4519643 Handle for extending the reach of a rope May. 28, 1985
4518184 Device for remotely passing a cord in or around an anchoring member May. 21, 1985
4448143 Sail cradle May. 15, 1984
4375451 In-situ leach rate measuring system Mar. 1, 1983
4362437 Apparatus for providing a liquid free working environment on submerged surfaces Dec. 7, 1982
4338875 Boats hardware system Jul. 13, 1982
4307457 Slamming-resistant sonar dome canoe Dec. 22, 1981
4291432 Anchor chain cleaning brush Sep. 29, 1981
4281612 Boat mooring device Aug. 4, 1981
4280435 One piece anchor for adjustably tethering a rope suspended boat fender Jul. 28, 1981
4276850 Apparatus to aid in the docking and mooring of a boat Jul. 7, 1981
4274354 Pressure mine sweeping Jun. 23, 1981
4263864 Buoyant net and retrieval device Apr. 28, 1981

1 2 3 4










 
 
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