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Class Information
Number: 440/53
Name: Marine propulsion > Screw propeller > With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering)
Description: Device wherein a means is provided that moves, assists in, or allows the movement of the propulsion unit; this movement may include rotation about a vertical and/or horizontal axis or vertical or horizontal transitory movement or a combination thereof.


Sub-classes under this class:

Class Number Class Name Patents
440/61R Having fluid motor to move propulsion unit or a segment of the propulsion unit 369
440/57 Having gimbal or universal joint support 78
440/63 Having link or lever to move propulsion unit or a segment of the propulsion unit 161
440/62 Having pliant member to move propulsion unit or a segment of the propulsion unit 78
440/55 Having restraining means 66
440/64 Having shaft with releasable coupling 7
440/58 Having toothed or threaded member to move propulsion unit or a segment of the propulsion unit 51
440/54 With means limited to vertical movement within hull cavity 38
440/65 With means to lift propeller when an obstruction is hit 19


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

Patent Number Title Of Patent Date Issued
7614926 Means for bearing a propulsion unit and a propulsion system for a waterbourne vessel Nov. 10, 2009
7614925 Transportable outboard motor Nov. 10, 2009
7588473 Marine drive Sep. 15, 2009
7565876 Marine vessel control system Jul. 28, 2009
7549901 Outboard motor control system Jun. 23, 2009
7546190 Adaptive dead-zone compensation for steering systems Jun. 9, 2009
7527537 Electric type steering device for outboard motors May. 5, 2009
7517262 Steering system for outboard motor Apr. 14, 2009
7506600 Waterborne vehicle Mar. 24, 2009
7494390 Action control device for small boat Feb. 24, 2009
7481688 Propulsion unit and boat Jan. 27, 2009
7476134 Jet powered steering system for small boat outboard motors Jan. 13, 2009
7467595 Joystick method for maneuvering a marine vessel with two or more sterndrive units Dec. 23, 2008
7455558 Trolling motor steering positioner Nov. 25, 2008
7452253 Propulsion system of marine vessel Nov. 18, 2008
7442104 Steering handlebar for outboard motor Oct. 28, 2008
7431620 Articulating surface drive Oct. 7, 2008
7429202 Outboard motor control system Sep. 30, 2008
7416456 Automatic trim system for a marine vessel Aug. 26, 2008
7416458 Controller for propulsion unit, control program for propulsion unit controller, method of controlling propulsion unit controller, and controller for watercraft Aug. 26, 2008
7410397 Outboard motor with bracket assembly Aug. 12, 2008
7407419 Outboard engine mounting assembly Aug. 5, 2008
7407420 Trim and tilt apparatus Aug. 5, 2008
7398742 Method for assisting a steering system with the use of differential thrusts Jul. 15, 2008
7371140 Protective marine vessel and drive May. 13, 2008
7354323 Motor mount for watercraft Apr. 8, 2008
7351125 Outboard engine system Apr. 1, 2008
7335073 Apparatus and method for securing an outboard boat motor during transit Feb. 26, 2008
7320629 Steering device for small watercraft Jan. 22, 2008
7318760 Mechanism for transferring total weight of outboard engine from boat and ship Jan. 15, 2008
7311571 Hydraulic steering device for a marine propulsion system Dec. 25, 2007
7309265 Outboard motor steering system Dec. 18, 2007
7294029 Mount apparatus for a trolling motor Nov. 13, 2007
7244152 Support system for an outboard motor Jul. 17, 2007
7241194 Outboard motor hydraulic mechanism Jul. 10, 2007
7238065 Method and arrangement for function test of a steering for a propeller drive on a boat Jul. 3, 2007
7226326 Outboard motor steering angle and tilt/trim angle regulating system Jun. 5, 2007
7220156 Outboard motor steering control system May. 22, 2007
7207854 Connection system for two or more marine propulsion devices Apr. 24, 2007
7189127 Watercraft propulsion machine Mar. 13, 2007
7186157 Turning propeller drive for a boat Mar. 6, 2007
7182033 Self-contained marine propulsion system for a pontoon boat Feb. 27, 2007
7160163 Steering device, particularly for marine outboard engines Jan. 9, 2007
7150662 Watercraft docking system and propulsion assembly Dec. 19, 2006
7150663 Pivoting arrangement for controlling outboard drive of propulsion unit Dec. 19, 2006
7150664 Steering actuator for an outboard motor Dec. 19, 2006
7128627 Marine steering system having swivel bracket forming hydraulic cylinder Oct. 31, 2006
7104854 Hydraulic system for marine propulsion unit Sep. 12, 2006
7101236 Marine propulsion unit Sep. 5, 2006
7086914 Modular bracket system for engine mounted trolling motors and the like Aug. 8, 2006

1 2 3 4 5 6 7 8


 
 
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