Patient ventilator trigger circuit
Photocell control device for a photographic film processor
Photofluidic interface
Photographic processing apparatus
Piping apparatus for a floating or semi-submersible platform
Pivoting disc heart valve
Pneumatic actuator
Pneumatic autoschedule cabin pressure controller
Pneumatic signal multiplexer
Porous microfluidic valves
Portable water scoop
Prefabricated vehicle maintenance apparatus
Pressure compensating water flow control devices
Pressure control system
Pressure dissipation apparatus
Pressure noise suppression valve
Pressure stabilizing assembly
Process and arrangement for producing a strong turbulence in at
Process and device for the control of liquid metal streams
Process for introducing particulate material into a container