Impeller blade with reduced stress
Improved geared hydraulic apparatus
Improved screw rotor device
Improved stator especially adapted for use in a helicoidal...
Improvements in meshing surfaces for intersecting vanes
Improvements in spherical fluid machines
Indexed positive displacement rotary motion device
Inner housing for rotary piston machines
Inner vane for rotary devices
Internal combustion engine
Internal combustion engine with pistons that rotate around a...
Internal combustion rotary engine
Internal gear set
Inverse displacement asymmetric rotary (idar) engine