Hanjindrilling

RESERVED TECHNOLOGY WITH PATENT

2020
Obtained the patent of ‘Horizontal directional drilling method using water hammer directional drilling assembly’
Obtained the patent of ‘geothermal heat exchanger and method of constructing the same ‘
Obtained the patent of ‘water hammer directional driling assemgly’

2018
Obtained the patent of ‘water hammer apparatus’
Obtained the patent of ‘Blasting method and partition braket for blasting’

2016
Obtained the patent of ‚Water Purifier‘

2015
Obtained the patent of ‚Load Clamping device of boring machine‘

2014
Obtained the patent of ‚Foot clamp of boring machine‘
Obtained the patent of ‚HDD method device‘

2013
Obtained the patent of ‚Boring machine with head‘
Obtained the patent of ‚Boring machine‘
Obtained the patent of ‚Lid supporting equipment of boring machine‘

2012
Obtained the patent of ‚Air hammer of boring machine‘
Obtained the patent of ‚Rod installation equipment of boring machine‘

2011
Obtained the patent of ‚Vibration hammer‘
Obtained the patent of ‚Rod installaing equipment of boring machine‘

× How can I help you?