Half panel
Heated reusable forms for forming concrete
Heated stripper shoe assembly
High speed pipe lining method and apparatus
High temperature refractory material applying apparatus for...
Hinged mold for concrete step structures
Hole forming plug
Hollow braid membrane
Honeycomb formed body and process for production thereof
Horizontal ribbon extrusion from a hopper and three...
Horizontal shear keyway forming assembly for slab forming...
Hydration means
Hydraulic binder-based, tapered-edge boards, production...
Hydraulic mold release mechanism for precast concrete products
Hydraulically bonded cement compositions and their methods...