Adjustable check valve for use in an oxygen regulator

Air feed valve and exhaust valve to be attached to an underwater

Altitude compensation valve assembly

Anti-pollution valve for use with shipboard storage tanks

Condition response differential vacuum regulator and method of m

Depth responsive gas control device

Dual speed fluid control apparatus

Environmental first stage scuba regulator

First stage pressure regulator for a two-stage underwater...

Gas pressure regulator

Gate valve having fail safe actuator

Marine riser fill-up valve

Pressure regulator

Process and devices for maintaining the gas contained in a subme

Safety underwater pressure regulator

Scuba buoyancy control valve

Scuba regulator

Subaqueous sequence valve mechanism

Subsea control systems and apparatus

Subsea equipment