Heating panel for making ovens for thermoforming apparatus

Heating platen having improved venting means

Heating system

Heating the end of a tubular member

Heating tip for welding of plastics

Heatpipe mold

Heatstake

Heel filling device

Helical air cell pipe covering and the like and method and...

Helical extrusion screw having force producing components

Helical flow and crosscurrent mixing system

Helical injection extruder for thermoplastics

Helical rib reinforced laminate

Helically combining strand and tube in molten condition

Helically wound hose from co-extruded profile with...

Helicopter blade mandrel

Helicopter blade mandrel with roller assembly

Helix follower device

Helmet apparatus and method with directly in-molded impact...

Hest shrinkable plastic hose and method for manufacturing