Matthew Searle, William Mark Hocking, Andrew Rhys Howell, Derek William Taylor: Air cannon and associated launch canister for a line-fouling system. BCB INTERNATIONAL, Maschoff Brennan, July 24, 2018: US10030943

FIG. 7 shows an air cannon system loaded with a launch canister containing a prop-fouler. A pressure vessel (28) contains an inlet including a poppet valve (100) that, upon command, can be selectively placed in either a one-way flow position to permit charging of the pressure vessel or otherwise ope ...