ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,030, issued on Nov. 11, was assigned to BLASTONE TECHNOLOGY PTY LTD (Queensland, Australia).
"Dead man control arrangement" was invented by Graeme Thomas (Queensland, Australia), Rick Gooden (Queensland, Australia), Matthew Rowland (Queensland, Australia) and Trevor Seewald (Queensland, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nozzle arrangement for use in expelling pressurized fluid includes a dead man control. The dead man control has a manually operable control part movable between a non-operating position, which prevents operation of the nozzle arrangement, and an operating position, and biased towards the non-operating positio...