Improved cellulose coated stick electrode

Improved centrifugally-cast tube and related method and...

Improved chuck for power tools

Improved collet and method for optimizing gripping action...

Improved collet and method for optimizing gripping action...

Improved consumable electrode arc welding

Improved contactor for welding wire feeder

Improved cutting machine of dual blade feeding for blind of...

Improved device for controlling the locking and unlocking...

Improved electric resistance fitting for soldering together...

Improved electrode for high current density plasma arc torch

Improved electron beam welding process, and related apparatus

Improved filler wire for aluminium alloys and method of welding

Improved forge welding process and product obtained by such...

Improved forstner drill bit

Improved gas shield for welding

Improved hole cutting tool

Improved induction heating apparatus and method for pipeline...

Improved integral boring and threading tool and method

Improved machine tool guide