Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
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1/00
Hydrodynamic or hydrostatic features of hulls or of hydrofoils
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B63B1/32
Other means for varying the inherent hydrodynamic characteristics of hulls
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B63B1/34
by reducing surface friction
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B63B1/38
using air bubbles or air layers; gas filled volumes
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B63B2001/382
by making use of supercavitation, e.g. for underwater vehicles
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