Methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The devices installed can include clamshell-shaped strakes, shrouds, fairings, sleeves and flotation modules....http://www.google.de/patents/US6994492?utm_source=gb-gplus-sharePatent US6994492 - Methods for remote installation of devices for reducing drag and vortex induced vibration