Steering; Slowing-down otherwise than by use of propulsive elements (using movably-installed outboard propulsion units B63H20/00); Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements

Child Classifications

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• B63H 2025/005
• B63H 25/02 Initiating means for steering
• B63H 25/06 Steering by rudders (by rudders carrying propellers B63H25/42)
• B63H 25/42 Steering or dynamic anchoring by propulsive elements (by jets B63H25/46); Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
• B63H 25/44 Steering or slowing-down by extensible flaps or the like
• B63H 25/46 Steering or dynamic anchoring by jets
• B63H 25/48 Steering or slowing-down by deflection of propeller slipstream otherwise than by rudder
• B63H 25/50 Slowing-down means not otherwise provided for
• B63H 25/52 Parts for steering not otherwise provided for