Method and apparatus for monitoring and measuring oil spills

The present invention relates to an oil spill identification system and oil spill identification sensors to be used in connection with this system. The system is used primarily on fixed offshore structures, but may also be used on fixed onshore constructions.

http://ip.com/patent/US7009550

Wave-riding vehicle with shark locating and repelling system

A shark-repelling surfboard or flotation board made of polymer foam with coating. The surfboard or the flotation board has a locator device for locating large aquatic animals, and an alarm device for alerting a rider of large aquatic animals, such as sharks, located by the locator device.

http://ip.com/patent/US7731554