Flow meter

Flow regulator

Fluid control valve system

Fluid flow indicator system

Freeze safety box organization

Integrated storage and transfer system and method for spacecraft

Liquid flow indicator for farm implements

Micro pump device with liquid tank

Oil nozzle structure for pneumatic tools

Oil-flow regulator for vacuum pumps in milking systems

Poppet valve assembly

Poppet valve assembly with in-line sight glass

Safety lockout device for utility control

Sight check valve

Sight flow indicator

Sight glass with check valve and filter

Solar heating check valve and flow indicator

Sprinkler drain and test valve

Test assembly for water-flow alarms

Three-way valve with radial seal