Void form
Void form for constructing post-tensioned foundation piles
Void former
Void forming and anchor positioning apparatus and method for...
Void-maintaining geosynthetic laminates and drainage systems
Volume and pressure balanced rigid face seal for rock bits
Volume compensated shifting tool
Volume control for a water closet
Volume of investigation based image processing
Volume-selective water closet flushing system
Vortex chamber mud pulser
Vortex counter flow dreding/pumping system
Vortex shedding helical strake wraps for submerged pilings...
Vortex valves
Vortex valves
Voussoir for a casing