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Class Information
Number: 440/82
Name: Marine propulsion > Screw propeller > Propeller arrangement > Supporting strut
Description: Device wherein a strengthening brace attaches a propeller shaft to the vessel.

Patents under this class:

Patent Number Title Of Patent Date Issued
7798875 Helical marine strut Sep. 21, 2010
7503818 Propulsion system for a ship or seagoing vessel Mar. 17, 2009
7431621 Drive shaft supporting structure for a small boat, and personal watercraft incorporating same Oct. 7, 2008
7413491 Marine vessel propulsion structure and marine vessel driving apparatus Aug. 19, 2008
7086914 Modular bracket system for engine mounted trolling motors and the like Aug. 8, 2006
6767461 Separator Jul. 27, 2004
6325687 Overheat indicator for strut bearing and stern tube bearing Dec. 4, 2001
6287162 Bearing arrangement for drive shaft of water jet apparatus Sep. 11, 2001
6244914 Shift and steering control system for water jet apparatus Jun. 12, 2001
5582528 Composite and fairwater structures for marine vessels Dec. 10, 1996
5540173 Composite and fairwater structures for marine vessels Jul. 30, 1996
5292270 Composite and fairwater structures for marine vessels Mar. 8, 1994
5248270 Strut support for propeller shaft Sep. 28, 1993
5232386 Counter rotating strut drive Aug. 3, 1993
5100350 Device for regulating the inclination angle of a surface propeller shaft line as to the water plane Mar. 31, 1992
5083950 Apparatus for reducing cavitation erosion Jan. 28, 1992
5017168 Counter-rotating boat propeller drive May. 21, 1991
4932908 Energy efficient asymmetric pre-swirl vane and twisted propeller propulsion system Jun. 12, 1990
4919630 Inboard drive system for a marine craft Apr. 24, 1990
4710142 Propeller shaft bearing assembly Dec. 1, 1987
4498873 Surface effect ship propeller mount Feb. 12, 1985
4383829 Drive assembly for inboard speedboat May. 17, 1983
4089289 Movable boat propulsion apparatus May. 16, 1978
3938464 Contra-rotating propeller drive system Feb. 17, 1976

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