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Class Information
Number: 440/38
Name: Marine propulsion > Jet drive
Description: Device wherein the motive force is produced by a stream of fluid forcefully issuing from an outlet of the propulsion means which reacts with the fluid surrounding the propelling means thereby causing the vessel to move.










Sub-classes under this class:

Class Number Class Name Patents
440/39 Auxiliary use of propulsive fluid 38
440/40 Direction control for fluid jet 115
440/47 Having means to increase fluid drive means efficiency 157
440/46 Having means to prevent clogging 57
440/44 Propulsion fluid is pressurized gas 23


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8668533 Waterjet propulsion system and method for a marine vehicle Mar. 11, 2014
8646430 Small planing boat Feb. 11, 2014
8562382 Method for system for a water jet propulsion system for a ship Oct. 22, 2013
8550862 Ship propulsion system having a pump jet Oct. 8, 2013
8545279 Marine propulsion system Oct. 1, 2013
8543324 Watercraft automation and aquatic effort data utilization Sep. 24, 2013
8527192 Watercraft automation and aquatic effort data utilization Sep. 3, 2013
8515661 Watercraft automation and aquatic effort data utilization Aug. 20, 2013
8491347 Variable dimension water jet Jul. 23, 2013
8490558 Watercraft steering and thrust control system Jul. 23, 2013
8480444 Rotary engine jet boat Jul. 9, 2013
8449340 Personal propulsion apparatus and method associated therewith May. 28, 2013
8403715 Marine jet drive Mar. 26, 2013
8371888 Movable floating object and driving mechanism therefor Feb. 12, 2013
8336805 Device and system for propelling a passenger Dec. 25, 2012
8262424 System and related methods for marine transportation Sep. 11, 2012
8241079 Pump jet assembly and related adapter system and method Aug. 14, 2012
8210885 Waterjet unit impeller Jul. 3, 2012
8162705 Water jet propulsion watercraft Apr. 24, 2012
8157604 Electrical linear motor for propulsion of marine vessel Apr. 17, 2012
8142241 Water jet propulsion watercraft Mar. 27, 2012
8142242 Marine propulsion system Mar. 27, 2012
8083557 Method and apparatus for powering of amphibious craft Dec. 27, 2011
8069806 Connectorless sea train Dec. 6, 2011
8047884 Propulsion system Nov. 1, 2011
7963814 Electric motor-driven water craft, which is cooled by the surrounding water Jun. 21, 2011
7950974 Weed cutter for a craft propelled by a water jet May. 31, 2011
7900867 Personal propulsion device Mar. 8, 2011
7845995 Pod propulsion system with rim-mounted bearings Dec. 7, 2010
7845996 Jet pump tail cone insert Dec. 7, 2010
7837523 Water-jet pump, impeller for the same, and boat including the same Nov. 23, 2010
7824237 Impeller drive for a water jet propulsion unit Nov. 2, 2010
7803025 System for mounting a marine jet propulsion system Sep. 28, 2010
7798873 Design of a flush inlet as integrated with a ship hull for waterjet propulsion Sep. 21, 2010
7785162 System and related methods for marine transportation Aug. 31, 2010
7735772 Personal propulsion device Jun. 15, 2010
7708609 Watercraft reverse gate operation May. 4, 2010
7674144 Reverse gate for jet propelled watercraft Mar. 9, 2010
7654242 Multiple-cylinder engine for planing water vehicle Feb. 2, 2010
7614355 Personal flying water jet apparatus Nov. 10, 2009
7604520 Electrical linear motor for marine propulsion Oct. 20, 2009
7601040 Method and apparatus for controlling a marine vessel Oct. 13, 2009
7597600 Engine for driving a watercraft propelled by a water jet Oct. 6, 2009
7575489 Small watercraft capable of suppressing vibration and noise of the vessel body Aug. 18, 2009
7566251 Jet pumping device Jul. 28, 2009
7524220 Water jet propeller Apr. 28, 2009
7507128 Power system for watercraft Mar. 24, 2009
7481687 Jet propulsion outboard and inboard motor Jan. 27, 2009
7476134 Jet powered steering system for small boat outboard motors Jan. 13, 2009
7470161 Lifting body water jet propulsion inlet inductor Dec. 30, 2008

1 2 3 4 5 6 7 8 9 10










 
 
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