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Class Information
Number: 114/55.5
Name: Ships > Motorized self-propelled waterski or waterscooter-type vehicle (e.g., personal watercraft, etc.)
Description: Subject matter wherein the marine vehicle (a) includes a portion which furnishes buoyancy when in contact with the water and to which the main supporting surfaces and other parts are attached, i.e., hull, (b) the buoyant hull is capable of supporting a user, and propelled to skim over the surface of the water by a motor carried by the vehicle, (c) the motor being operatively connected to propelling means below the surface of the water, (d) the buoyant hull being steered by the user, and (e) wherein a length of the hull is comparable to the body length of a user and the width of the hull is either somewhat greater than the user s foot but much narrower than the shoulder width of the user, e.g., water-ski, etc., or comparable to the shoulder width of the user, e.g., waterscooter, etc.










Sub-classes under this class:

Class Number Class Name Patents
114/55.51 Having hull compartment drain or vent 60
114/55.52 Having pivoted steering and towing mast for rider 40
114/55.53 Having releasable hull compartment cover 45
114/55.57 Having rider straddling seat 121
114/55.56 Having standing rider 52
114/55.58 Rider is prone or supine 11
114/55.54 With ski, pontoon, or hydrofoil providing vertical lift 14


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8616185 Supercharged engine Dec. 31, 2013
8505475 Personal watercraft Aug. 13, 2013
8265810 Method for automatically controlling the speed of a ship Sep. 11, 2012
8131412 Method for arrangement for calibrating a system for controlling thrust and steering in a watercraft Mar. 6, 2012
7886677 Multi-purpose storage rack and fishing troller for a personal watercraft Feb. 15, 2011
7856937 Personal watercraft ballast Dec. 28, 2010
7849808 Personal watercraft Dec. 14, 2010
7713102 Amphibious vehicle speed change transmission arrangement May. 11, 2010
7707959 Boat with sponson May. 4, 2010
7475648 Integrated storage structure for housing electrical components in a personal watercraft, and personal watercraft including same Jan. 13, 2009
7467594 Personal watercraft with pivotable seat Dec. 23, 2008
7430466 Steering force detection device for steering handle of vehicle Sep. 30, 2008
7377223 Personal watercraft storage bin May. 27, 2008
7325504 Display device of personal watercraft Feb. 5, 2008
7249987 Air intake device for watercraft Jul. 31, 2007
7240632 Personal watercraft center keel Jul. 10, 2007
7179142 Mounting structure for jet propulsion pump in personal watercraft Feb. 20, 2007
7168386 Small boat Jan. 30, 2007
7101238 Watercraft having a four stroke engine with a supercharger Sep. 5, 2006
7028628 Side mirror structure of small watercraft Apr. 18, 2006
7018250 Ride plate positioning mechanism for personal watercraft, and method of using same Mar. 28, 2006
6925948 Conduit-supporting structure for a small watercraft Aug. 9, 2005
6915755 Small-sized surface boat Jul. 12, 2005
6916216 Small watercraft Jul. 12, 2005
6899052 Battery mounting structure for a small watercraft, and method of using same May. 31, 2005
6890224 Electric jet ski May. 10, 2005
6843192 Personal watercraft having a preformed rub rail Jan. 18, 2005
6807920 Personal watercraft having adjustable angle sponsons Oct. 26, 2004
6761601 Personal watercraft Jul. 13, 2004
6729256 Personal watercraft May. 4, 2004
6726514 Personal watercraft Apr. 27, 2004
6722305 Electrical equipment arrangement for small watercraft Apr. 20, 2004
6708634 Output power shaft structure for personal watercraft Mar. 23, 2004
6705906 Personal watercraft Mar. 16, 2004
6701859 Personal watercraft Mar. 9, 2004
6699085 Engine power output control for small watercraft Mar. 2, 2004
6684800 Personal watercraft Feb. 3, 2004
6681708 Engine for planing boat Jan. 27, 2004
6681712 Foam maintenance center for personal watercraft Jan. 27, 2004
6668742 Personal watercraft with storage tray Dec. 30, 2003
6655307 Personal watercraft on which supercharger is mounted Dec. 2, 2003
6651573 Personal watercraft Nov. 25, 2003
6601528 Four stroke engine with intake manifold Aug. 5, 2003
6551155 Personal watercraft having an improved exhaust system Apr. 22, 2003
6551156 Induction system for personal watercraft Apr. 22, 2003
6551153 Throttle control for small watercraft Apr. 22, 2003
6546884 Jet propelled watercraft stabilizing system Apr. 15, 2003
6530336 Box arrangement for watercraft Mar. 11, 2003
6523490 Adjustable sponson for watercraft Feb. 25, 2003
6520815 Controlled thrust steering system for watercraft Feb. 18, 2003

1 2 3










 
 
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