Strukturen, die nicht unbedingt schwimmfähig sind, aber mittels Tragflächen ab einer bestimmten Geschwindigkeit angehoben werden, z.B. Airchairs, Aquaskipper, Tragflügel-Fahrräder oder -Kayaks.
| Tragflügel allgemein | B63B 1/24 |
| Tragflügel für Wassersportboards | B63B 32/60 |
| Antrieb durch Klappen | B63H 1/32 |
| Antrieb mittels drehbarer Kurbeln | B63H 16/20 |
Structures which are not necessarily buoyant, but which are using hydrofoils allowing the lifting of the structure at a certain speed, e.g. Air-chair, Aqua skipper, hydrofoil bikes, or hydrofoil kayak.
| Hydrofoils in general | B63B 1/24 |
| Hydrofoils for watersport boards | B63B 32/60 |
| Propulsion by flaps | B63H 1/32 |
| Propulsion generated by rotary cranking arrangements | B63H 16/20 |