Emptying the contents of sunken, stranded, or disabled vessels

Official title: {Emptying the contents of sunken, stranded, or disabled vessels, e.g. by engaging the vessel; Underwater collecting of buoyant contents, such as liquid, particulate or gaseous contents, escaping from sunken vessels, e.g. using funnels, or tents for recovery of escaping hydrocarbons (Cleaning or keeping clear the surface of open water in general E02B15/00)}

B63C7/006 (Emptying the contents of sunken, stranded, or disabled vessels) appears on 39 US grants and 42 published applications in this corpus.