70511 ⎘
Superstructures, deckhouses, wheelhouses or the like ; Arrangements or adaptations of masts or spars, e.g. bowsprits; Masts characterized by mast configuration or construction with means for varying mast position or orientation with respect to the hull
Sub-classes:LASER-GUIDED MAST ALIGNMENT SYSTEM AND METHOD
#2WIND PROPULSION UNIT AND VESSEL COMPRISING SUCH A UNIT
#3Propulsion system for a boat
#4WATERCRAFT HAVING A WIND-POWERED DRIVE UNIT
#5Bridge erection boat folding mast
#6Adjustable ballast bulb for a sailing vessel
#7WING-TYPE SAIL SYSTEM
#8Hybrid wing rigging for wind-propelled vessel
#9Water vehicle having a crane for lifting loads
#10Method for rigging and controlling a wing sail
#11Alpha-enolase specific antibodies and method of use in immune diseases
#12Stayed roller furler
#13Twin arm gin pole
#14Vessel with a rigid wingsail installation
#15Sail mounting assembly
#16Moving mechanism for cruiser arch
#17Rotating mast system for sailboat