Gravel injection apparatus

High efficiency feeder apparatus for pneumatic conveying lines

Hood assembly device for removal of undesired glass particles

Hopper

Hopper car discharge gate

Hopper discharge arrangement

Hopper discharge outlet

Hopper discharge valve

Hopper system and clamping arrangement for a permeable membrane

Hopper tee and integral discharge valve

Hopper vessel with discharge valve members adapted to selectivel

Horizontally disposed apparatus for the random distribution of s

Hydraulic conveying of solids

Hydraulic elevation apparatus and method

Hydraulic transportation apparatus for solid materials

Independently controllable multi-output insulation blowing...

Injection method for feeding particulate to a process vessel

Injector device for feeding coating powder

Intake nozzle for vacuum conveyor

Isolated insertion chute for suction-operated garbage disposal s